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Whois

Property	Value
Email	domain@dropbox.com
NameServer	NS-1661.AWSDNS-15.CO.UK
Created	2010-12-01 00:00:00
Changed	2014-07-16 00:00:00
Expires	2016-12-01 00:00:00
Registrar	MARKMONITOR INC.

DNS Resolutions

Date	IP Address
2024-10-30	52.200.76.251 (ClassC)
2025-10-25	3.209.50.217 (ClassC)

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!DOCTYPE html>html langen >        head>        meta charsetUTF-8 />                                                    title>Zulip — organized team chat/title>                                            link idfavicon relicon hrefhttps://static.zulipchat.com/static/images/favicon.svg?v4 />        link relalternate icon hrefhttps://static.zulipchat.com/static/images/favicon.png?v4 />                meta nameviewport contentwidthdevice-width, initial-scale1.0 />                        !-- Google / search engine tags -->        meta namedescription contentZulip is an organized team chat app for distributed  teams of all sizes. />    !-- Open Graph / Facebook / Twitter meta tags -->meta propertyog:url contenthttps://zulipchat.com/ />meta propertyog:type contentwebsite />meta propertyog:site_name contentZulip />meta propertyog:title contentZulip — organized team chat />meta propertyog:description contentZulip is an organized team chat app for distributed  teams of all sizes. />meta propertyog:image contenthttps://static.zulipchat.com/static/images/logo/zulip-icon-128x128.png />meta nametwitter:card contentsummary />                        script idsentry-params typetext/json>{dsn:https://26bb474451d946d6892d649ac54c3182@o48127.ingest.sentry.io/4504556882821120,environment:production,realm_key:www,sample_rate:1.0,server_version:12.0-dev-503-g96090f4b10,trace_rate:0}/script>                            script srchttps://static.zulipchat.com/static/webpack-bundles/4072.e96efe2d9a7adb0ffd9f.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/9647.e8331d9e92afc759c802.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/5537.78376db16d2975a758c9.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/4895.86a04092f2a5bf3f75dd.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/5309.f3d480686ac80e49880d.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/9020.026ee6e2ab3874280f5f.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/3704.d3393831d2477fc96da7.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/3791.d4a5d080fe64e5b82a6e.js defer crossoriginanonymous >/script>                link hrefhttps://static.zulipchat.com/static/webpack-bundles/6788.b4d7764d27eabbc64718.css relstylesheet  />                script srchttps://static.zulipchat.com/static/webpack-bundles/5548.d7439492529b4148fcac.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/7629.3b753ae1dbc6e11a3e3c.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/9686.00dc852c395c26421836.js defer crossoriginanonymous >/script>                script srchttps://static.zulipchat.com/static/webpack-bundles/8209.b9bd68866851c01df275.js defer crossoriginanonymous >/script>                link hrefhttps://static.zulipchat.com/static/webpack-bundles/1353.ed36d11114b373ff85a1.css relstylesheet  />                link hrefhttps://static.zulipchat.com/static/webpack-bundles/landing-page-hello.8d71b4d2cc1968921a1a.css relstylesheet  />                script srchttps://static.zulipchat.com/static/webpack-bundles/landing-page-hello.ec4462273fc3c39a31d9.js defer crossoriginanonymous >/script>                                meta nameviewport contentwidthdevice-width, initial-scale1.0 />    /head>    body>                !-- We have separate copies of the navbar list for web and mobile. Please update both the versions when making changes. -->nav classtop-menu>    div classtop-menu-container>        a classtop-menu-logo nav-zulip-logo hrefhttps://zulip.com tabindex1>/a>        div classtop-menu-items-group-1>            div classtop-menu-item top-menu-tab>                div classtop-menu-tab-unselect>/div>                input typeradio nametop-menu-tabs classtop-menu-tab-input idtop-menu-tab-product />                label fortop-menu-tab-product classnav-menu-label tabindex0>Product/label>                div classtop-menu-submenu>                    div classtop-menu-submenu-column>                        span classtop-menu-submenu-section>OVERVIEW/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a                            hrefhttps://blog.zulip.com/2024/11/04/choosing-a-team-chat-app/>Choosing a team chat app/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/why-zulip/>Why Zulip/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://chat.zulip.org/?show_try_zulip_modal>Try Zulip/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/help/moving-to-zulip>Moving to Zulip/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/self-hosting/>Self-hosting/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/security/>Security/a>/li>                        /ul>                    /div>                    div classtop-menu-submenu-column>                        span classtop-menu-submenu-section>FEATURES/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/features/>Feature matrix/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/apps/>Desktop and mobile apps/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/integrations/>Integrations/a>/li>                            li classtop-menu-submenu-list-item>a href/api/>API/a>/li>                            li classtop-menu-submenu-list-item>a href/help/>Help center/a>/li>                        /ul>                    /div>                    div classtop-menu-submenu-column>                        span classtop-menu-submenu-section>USE CASES/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/business/>Business/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/education/>Education/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/research/>Research/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/events/>Events and conferences/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/open-source/>Open source projects/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/communities/>Communities/a>/li>                        /ul>                    /div>                /div>            /div>            div classtop-menu-item top-menu-tab>                div classtop-menu-tab-unselect>/div>                input typeradio nametop-menu-tabs classtop-menu-tab-input idtop-menu-tab-case-studies/>                label fortop-menu-tab-case-studies classnav-menu-label tabindex0>Case studies/label>                div classtop-menu-submenu idcase-studies-submenu>                    div classtop-menu-submenu-column>                        span classtop-menu-submenu-section>BUSINESS/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>                                a hrefhttps://zulip.com/case-studies/idrift/>                                Efficient distributed team management at iDrift AS                                /a>                            /li>                            li classtop-menu-submenu-list-item>                                a hrefhttps://zulip.com/case-studies/gut-contact/>                                Easy communication for 1000 agents at GUT contact                                /a>                            /li>                            li classtop-menu-submenu-list-item>                                a hrefhttps://zulip.com/case-studies/end-point/>                                Managing hundreds of projects at End Point Dev                                /a>                            /li>                            li classtop-menu-submenu-list-item>                                a href/case-studies/windborne/>                                Worldwide operations and AI at WindBorne                                /a>                            /li>                            li classtop-menu-submenu-list-item>                                a hrefhttps://zulip.com/case-studies/semsee/>                                More efficient communication than Slack at Semsee                                /a>                            /li>                            li classtop-menu-submenu-list-item>                                a hrefhttps://zulip.com/case-studies/atolio/>                                Open distributed communication at Atolio                                /a>                            /li>                        /ul>                    /div>                    div classtop-menu-submenu-column ideducation-and-research-submenu-column>                        span classtop-menu-submenu-section>EDUCATION and RESEARCH/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/tum/>Organized chat for 1000s of students at TUM/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/ucsd/>Communication hub across 6 continents at UCSD/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/lean/>Research collaboration at scale in the Lean mathematical community/a>/li>                        /ul>                    /div>                    div classtop-menu-submenu-column idone-source-and-communities-submenu-column>                        span classtop-menu-submenu-section>OPEN SOURCE and COMMUNITIES/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/asciidoctor/>Inclusive discussion in the open-source Asciidoctor community/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/rust/>Faster decision-making in the Rust language community/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/recurse-center/>Platform for a worldwide community since 2013 at Recurse Center/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/rush-stack/>Professional community support at Rush Stack/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/communities/>Open communities directory/a>/li>                        /ul>                    /div>                /div>            /div>            div classtop-menu-item top-menu-tab>                div classtop-menu-tab-unselect>/div>                input typeradio nametop-menu-tabs classtop-menu-tab-input idtop-menu-tab-resources />                label fortop-menu-tab-resources classnav-menu-label tabindex0>Resources/label>                div classtop-menu-submenu>                    div classtop-menu-submenu-column>                        span classtop-menu-submenu-section>FOR USERS/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a href/help/getting-started-with-zulip>Getting started/a>/li>                            li classtop-menu-submenu-list-item>a href/help/>Help center/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/development-community/ target_blank relnoopener noreferrer>Community chat/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/help/contact-support>Contact support/a>/li>                        /ul>                    /div>                    div classtop-menu-submenu-column>                        span classtop-menu-submenu-section>FOR ADMINISTRATORS/span>                        ul classtop-menu-submenu-list>                            li classtop-menu-submenu-list-item>a href/help/moving-to-zulip>Moving to Zulip/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.readthedocs.io/en/stable/production/install.html>Installing a Zulip server/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://zulip.readthedocs.io/en/stable/production/upgrade.html>Upgrading a Zulip server/a>/li>                            li classtop-menu-submenu-list-item>a hrefhttps://github.com/zulip/zulip target_blank relnoopener noreferrer>GitHub/a>/li>                        /ul>                    /div>                /div>            /div>            a classtop-menu-item hrefhttps://zulip.com/plans/>Pricing/a>            a classtop-menu-item hrefhttps://zulip.com/apps/>Download/a>        /div>        div classtop-menu-item-spacer>/div>        div classtop-menu-items-group-2>            a classtop-menu-item href/new/>New organization/a>                        a classtop-menu-item href/login/>Log in/a>                                            /div>    /div>    input typeradio nametop-menu-tabs classtop-menu-tab-input-unselect idtop-menu-tab-close checked />    div idtop-menu-submenu-backdrop classtop-menu-submenu-backdrop>/div>    label classtop-menu-tab-label-unselect nav-menu-label fortop-menu-tab-close tabindex0>/label>/nav>!-- We have separate copies of the navbar list for web and mobile. Please update both the versions when making changes. -->details classtop-menu-mobile>    summary classtop-menu-mobile-summary>        a classtop-menu-logo nav-zulip-logo hrefhttps://zulip.com>/a>    /summary>    div classtop-menu-mobile-items-group-1>        details>            summary classtop-menu-mobile-item-summary>Product/summary>            div classtop-menu-mobile-submenu>                span classtop-menu-mobile-submenu-section>OVERVIEW/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a hrefhttps://blog.zulip.com/2024/11/04/choosing-a-team-chat-app/>Choosing a team chat app/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/why-zulip/>Why Zulip/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://chat.zulip.org/?show_try_zulip_modal>Try Zulip/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/help/moving-to-zulip>Moving to Zulip/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/self-hosting/>Self-hosting/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/security/>Security/a>/li>                /ul>            /div>            div classtop-menu-mobile-submenu>                span classtop-menu-mobile-submenu-section>FEATURES/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/features/>Feature matrix/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/apps/>Desktop and mobile apps/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/integrations/>Integrations/a>/li>                    li classtop-menu-submenu-list-item>a href/api/>API/a>/li>                    li classtop-menu-submenu-list-item>a href/help/>Help center/a>/li>                /ul>            /div>            div classtop-menu-mobile-submenu>                span classtop-menu-mobile-submenu-section>USE CASES/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/business/>Business/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/education/>Education/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/research/>Research/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/events/>Events and conferences/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/open-source/>Open source projects/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/for/communities/>Communities/a>/li>                /ul>            /div>        /details>        details>            summary classtop-menu-mobile-item-summary>Case Studies/summary>            div classtop-menu-mobile-submenu>                span classtop-menu-mobile-submenu-section>BUSINESS/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>                        a hrefhttps://zulip.com/case-studies/idrift/>                        Efficient distributed team management at iDrift AS                        /a>                    /li>                    li classtop-menu-submenu-list-item>                        a hrefhttps://zulip.com/case-studies/gut-contact/>                        Easy communication for 1000 agents at GUT contact                        /a>                    /li>                    li classtop-menu-submenu-list-item>                        a hrefhttps://zulip.com/case-studies/end-point/>                        Managing hundreds of projects at End Point Dev                        /a>                    /li>                    li classtop-menu-submenu-list-item>                        a href/case-studies/windborne/>                        Worldwide operations and AI at WindBorne                        /a>                    /li>                    li classtop-menu-submenu-list-item>                        a hrefhttps://zulip.com/case-studies/semsee/>                        More efficient communication than Slack at Semsee                        /a>                    /li>                    li classtop-menu-submenu-list-item>                        a hrefhttps://zulip.com/case-studies/atolio/>                        Open distributed communication at Atolio                        /a>                    /li>                /ul>                span classtop-menu-mobile-submenu-section>EDUCATION and RESEARCH/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/tum/>Organized chat for 1000s of students at TUM/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/ucsd/>Communication hub across 6 continents at UCSD/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/lean/>Research collaboration at scale in the Lean mathematical community/a>/li>                /ul>                span classtop-menu-mobile-submenu-section>OPEN SOURCE and COMMUNITIES/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/asciidoctor/>Inclusive discussion in the open-source Asciidoctor community/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/rust/>Faster decision-making in the Rust language community/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/case-studies/recurse-center/>Platform for a worldwide community since 2013 at Recurse Center/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/communities/>Open communities directory/a>/li>                /ul>            /div>        /details>        details>            summary classtop-menu-mobile-item-summary>Resources/summary>            div classtop-menu-mobile-submenu>                span classtop-menu-mobile-submenu-section>FOR USERS/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a href/help/getting-started-with-zulip>Getting started/a>/li>                    li classtop-menu-submenu-list-item>a href/help>Help center/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/development-community/ target_blank relnoopener noreferrer>Community chat/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.com/help/contact-support>Contact support/a>/li>                /ul>                span classtop-menu-mobile-submenu-section>FOR ADMINISTRATORS/span>                ul classtop-menu-submenu-list>                    li classtop-menu-submenu-list-item>a href/help/moving-to-zulip>Moving to Zulip/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.readthedocs.io/en/stable/production/install.html>Installing a Zulip server/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://zulip.readthedocs.io/en/stable/production/upgrade.html>Upgrading a Zulip server/a>/li>                    li classtop-menu-submenu-list-item>a hrefhttps://github.com/zulip/zulip target_blank relnoopener noreferrer>GitHub/a>/li>                /ul>            /div>        /details>        div classtop-menu-mobile-item>a hrefhttps://zulip.com/plans/>Pricing/a>/div>        div classtop-menu-mobile-item>a hrefhttps://zulip.com/apps/>Download/a>/div>    /div>    div classtop-menu-mobile-items-group-2>        div classtop-menu-mobile-item>a href/new/>New organization/a>/div>                div classtop-menu-mobile-item>a href/login/>Log in/a>/div>                            /div>/details>    div classportico-hello-page>        div classbody-bg>            div classbody-bg__layer>/div>        /div>        div classscreen-1>            h1>Organized chat for distributed teams/h1>            div classappshot-1>                picture>                    !-- dark theme is only with webp images, since webp support was at the same time or earlier than prefers-color-scheme https://caniuse.com/?searchprefers-color-scheme https://caniuse.com/webp -->                    source classappshot-1__img                      typeimage/webp                      srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/screen-1-dark-2x.5a30fb078bce.webp                      media(min-width: 941px) and (prefers-color-scheme: dark)/>                    source classappshot-1__img                      typeimage/webp                      srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/screen-1-mobile-dark-2x.dcea8d7faa64.webp                      media(max-width: 940px) and (prefers-color-scheme: dark)/>                    source width1095 height496 classappshot-1__img                      typeimage/webp                      srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/screen-1-2x.98866486fe98.webp                      media(min-width: 941px)/>                    source classappshot-1__img                      typeimage/webp                      srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/screen-1-mobile-2x.2290d4a9545b.webp                      media(max-width: 940px)/>                    source classappshot-1__img                      srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/screen-1-mobile-2x.jpg                      media(max-width: 940px)/>                    img alt width1095 height496 classappshot-1__img srchttps://static.zulipchat.com/static/images/landing-page/hello/generated/screen-1-2x.jpg/>                /picture>                div classcta-buttons>                    a hrefhttps://chat.zulip.org/?show_try_zulip_modal>                        See it in use                        div classcta-desc>in an open organization/div>                    /a>                    a href/new/>                        Create an organization                        div classcta-desc>in 1 minute for free/div>                    /a>                    a href/request-demo/>                        Get a demo                        div classcta-desc>request a call/div>                    /a>                /div>            /div>            div classclient-logos>                div classclient-logos-div client-logos__logo_pilot>/div>                div classclient-logos-div client-logos__logo_tum>/div>                div classclient-logos-div client-logos__logo_wikimedia>/div>                div classclient-logos-div client-logos__logo_rust>/div>                div classclient-logos-div client-logos__logo_dr_on_demand>/div>                div classclient-logos-div client-logos__logo_maria>/div>            /div>        /div>        div classscreen-2>            div classscreen-2__container>                div>                    h2 classscreen-2__header>Designed for async conversations./h2>                    div classscreen-2__subtitle>Heres what it looks like in action./div>                /div>                div classscreen-2__tabs>                    input typeradio idscreen-2__tab1 namescreen-2__tabs-radio classscreen-2__tab-input checked />                    input typeradio idscreen-2__tab2 namescreen-2__tabs-radio classscreen-2__tab-input />                    input typeradio idscreen-2__tab3 namescreen-2__tabs-radio classscreen-2__tab-input />                    input typeradio idscreen-2__tab4 namescreen-2__tabs-radio classscreen-2__tab-input />                    input typeradio idscreen-2__tab5 namescreen-2__tabs-radio classscreen-2__tab-input />                    ul>                        li>                            label forscreen-2__tab1>                                Get an overview of conversations with unread messages in your inbox.                            /label>                        /li>                        li>                            label forscreen-2__tab2>                                Focus on one conversation at a time, no matter how many others are happening.                            /label>                        /li>                        li>                            label forscreen-2__tab3>                                Reply to each conversation in context.                            /label>                        /li>                        li>                            label forscreen-2__tab4>                                Conversations continue seamlessly over time.                            /label>                        /li>                        li>                            label forscreen-2__tab5>                                Start a new conversation by giving it a brief topic.                            /label>                        /li>                    /ul>                    div classscreen-2__tabs-content>                        div classscreen-2__tab-image>                            picture>                                source                                  srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/01-tab-cont-dark-2x.jpg                                  media(prefers-color-scheme: dark) />                                img alt srchttps://static.zulipchat.com/static/images/landing-page/hello/generated/01-tab-cont-2x.jpg/>                            /picture>                        /div>                        div classscreen-2__tab-image>                            picture>                                source                                  srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/02-tab-cont-dark-2x.jpg                                  media(prefers-color-scheme: dark) />                                img alt srchttps://static.zulipchat.com/static/images/landing-page/hello/generated/02-tab-cont-2x.jpg/>                            /picture>                        /div>                        div classscreen-2__tab-image>                            picture>                                source                                  srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/03-tab-cont-dark-2x.jpg                                  media(prefers-color-scheme: dark) />                                img alt srchttps://static.zulipchat.com/static/images/landing-page/hello/generated/03-tab-cont-2x.jpg/>                            /picture>                        /div>                        div classscreen-2__tab-image>                            picture>                                source                                  srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/04-tab-cont-dark-2x.jpg                                  media(prefers-color-scheme: dark) />                                img alt srchttps://static.zulipchat.com/static/images/landing-page/hello/generated/04-tab-cont-2x.jpg/>                            /picture>                        /div>                        div classscreen-2__tab-image>                            picture>                                source                                  srcsethttps://static.zulipchat.com/static/images/landing-page/hello/generated/05-tab-cont-dark-2x.jpg                                  media(prefers-color-scheme: dark) />                                img alt srchttps://static.zulipchat.com/static/images/landing-page/hello/generated/05-tab-cont-2x.jpg/>                            /picture>                        /div>                    /div>                /div>            /div>        /div>        div classscreen-3>            div classscreen-3__container>                div classscreen-3__content>                    h2 classscreen-3__header>Zulip empowers remote and flexible work./h2>                    div classscreen-3__subtitle>Check out these case studies to see the impact./div>                    div classscreen-3__quotes>                        a classquote href/case-studies/atolio/>                            div classquote__text>                                h4>Work better together/h4>                                The first-class threads in Zulip are strong>absolutely critical to how we work/strong>. So many people on Hacker News talk about using Zulip — Im so glad we joined them!                            /div>                            div classquote__source>                                strong>David Lanstein/strong>, i>co-founder and CEO of Atolio/i>                            /div>                        /a>                        a classquote href/case-studies/idrift/>                            div classquote__text>                                h4>Empower leaders/h4>                                Using Zulip significantly strong>increases the size of the team/strong> for which a manager can meaningfully know what’s going on.                            /div>                            div classquote__source>                                strong>Gaute Lund/strong>, i>co-founder of iDrift AS/i>                            /div>                        /a>                        a classquote href/case-studies/rust/>                            div classquote__text>                                h4>Make decisions faster/h4>                                Some decisions that were blocked for months on                                GitHub were strong>resolved within 24 hours/strong> on Zulip.                            /div>                            div classquote__source>                                strong>Josh Triplett/strong>, i>Rust Language team co-lead/i>                            /div>                        /a>                        a classquote hrefhttps://monadical.com/posts/how-to-make-remote-work-part-two-zulip.html>                            div classquote__text>                                h4>Simplify knowledge management/h4>                                Using Zulip in a way that feels natural creates                                an strong>organized repository/strong> of knowledge i>as a                                side effect/i>.                            /div>                            div classquote__source>                                strong>Max McCrea/strong>, i>Co-founder of Monadical/i>                            /div>                        /a>                        a classquote href/case-studies/end-point/>                            div classquote__text>                                h4>Organize 100s of workstreams/h4>                                Other apps like Slack would struggle with                                organizing the flow of information in a complex                                organization like ours. Zulip’s UI makes it easy                                to strong>access all the information you need/strong>.                            /div>                            div classquote__source>                                strong>Jon Jensen/strong>, i>CTO of End Point                                Dev/i>                            /div>                        /a>                        a classquote href/case-studies/gut-contact/>                            div classquote__text>                                h4>Communicate with efficiency/h4>                                I don’t like going back to Slack now. It’s just                                not as efficient a way to strong>organize                                communication/strong>.                            /div>                            div classquote__source>                                strong>James van Lommel/strong>, i>Director of Engineering at Semsee/i>                            /div>                        /a>                    /div>                /div>            /div>        /div>        div classscreen-4>            div classscreen-4__container>                div classscreen-4__content>                    img alt classswitch-diagram loadinglazy width400 height358                      srchttps://static.zulipchat.com/static/images/landing-page/hello/switch-diagram.png                      />                    div classscreen-4__desc>                        h2 classscreen-4__header>Switching to Zulip isn’t hard./h2>                        p>                            Zulip offers a convenient cloud solution, with a href/features/>features/a> to make your users and IT team happy. Import your data and integrations a href/help/import-from-slack>from Slack/a> and other products.                        /p>                        h3>Your data is yours!/h3>                        p>                            For ultimate control and a href/help/gdpr-compliance>compliance/a>, a href/self-hosting/>self-host/a> Zulip’s 100% a hrefhttps://github.com/zulip/zulip#readme>open-source/a> software, with easy a hrefhttps://zulip.readthedocs.io/en/stable/production/install.html>installation/a> and a hrefhttps://zulip.readthedocs.io/en/stable/production/upgrade.html>upgrades/a>.                        /p>                    /div>                /div>            /div>            div classbadges>                a classbadge-getapp hrefhttps://www.getapp.com/collaboration-software/web-collaboration/category-leaders>                    img alt srchttps://brand-assets.getapp.com/badge/05c62fe0-cb84-41bf-ae2d-cd0105373a2c.svg/>                /a>                a classbadge-capterra hrefhttps://www.capterra.com/p/197945/Zulip/>                    img alt srchttps://brand-assets.capterra.com/badge/d7c03c95-8f34-466e-b964-546b102899f1.svg/>                /a>            /div>        /div>        div classscreen-5>            div classscreen-5__container>                h2 classscreen-5__header>Curious to learn more?/h2>                div classscreen-5__subtitle>Dive into our detailed guide for organizations like yours./div>                div classscreen-5__cards>                    a href/for/business/ classcard>                        div classcard__text>                            h4 classright-arrow-icon>Business/h4>                            Organizations from small businesses to enterprises communicate more efficiently.                        /div>                    /a>                    a href/for/research/ classcard>                        div classcard__text>                            h4 classright-arrow-icon>Research/h4>                            For 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Subdomains

Date	Domain	IP
web.zulip.com	2025-10-25	18.211.97.89
desktop-download.zulip.com	2025-03-26	23.202.47.64
selfhosting.zulip.com	2025-05-31	3.86.61.113
api.zulip.com	2025-10-22	3.209.50.217
docs.zulip.com	2025-10-25	3.209.50.217
avatars.zulip.com	2025-03-09	3.163.189.116
project.zulip.com	2025-05-26	75.101.254.161
mysteryhunt.zulip.com	2024-08-02	52.0.149.99
www.zulip.com	2023-11-02	34.230.102.218

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