COOL Days 2026 Watch the talks

CODE

Collabora Office Development Edition

We love to work with everyone and anyone in the open to liberate people's documents.

Online Windows Linux Mac Android
Code on Gerrit Issues on GitHub Translate on Weblate Design with us
Forum

Next community call

Community calls

    Last change merged

    cool#16362 fileserver: send only complete gzip streams

    by Darshan-Upadhyay

    See what else landed
    Build Collabora Online for Web

    Build Collabora Online for Web

    Are you interested in contributing but do not know where to start? Head over to the documentation or start by following these step-by-step instructions and build CODE from scratch.

    Build Collabora Office for Linux

    Build Collabora Office for Linux

    Linux lover? Build Collabora Office and unleash your inner hacker.
    Build Collabora Office for Windows

    Build Collabora Office for Windows

    On Windows and want to tinker? Build Collabora Office and level up your setup.
    Build Collabora Office for Mac

    Build Collabora Office for Mac

    Got a Mac and a curious mind? Build your own Collabora Office and see the magic happen.
    Build for Android

    Build for Android

    Install Collabora Office on your Android phone or tablet from F-Droid, or build it yourself from source.
    Build for iOS

    Build for iOS

    Are you familiar with iOS development environment and interested to learn more while helping the project?
    Debug CODE

    Debug CODE

    You need to enable debugging support to do any practical interactive debugging.
    Get Involved

    Get Involved

    A great way to get in touch, ask anything or get mentoring is through one of our official channels. . .
    IDEs & Text Editors

    IDEs & Text Editors

    Tips on how to set your IDE ready for Collabora Online development.
    Easy Hacks

    Easy Hacks

    Check out the starting points for new developers on the project — usually with code pointers helping you to locate the area to hack on easily.
    FAQ

    FAQ

    Perhaps your question is one that we have been asked before; have a read, and let us know if not.
    Found a bug?

    Found a bug?

    Sorry about that — but you can help us resolving it by creating a great bug report! See the steps how to do it, and file the bug on GitHub.
    Translate?

    Translate?

    A great way to get involved. You can perfect CODE and the Collabora Office apps for your language, while learning about the feature set, and how things work. Every string is on Weblate, so you can translate the whole product: Collabora Online in the browser, and Collabora Office on desktop and mobile.
    Design with us

    Design with us

    Following the design system keeps new features and contributions feeling at home next to the rest of Collabora Online.
    Contributors & Supporters

    Contributors & Supporters

    Thank you to everyone who helps move the COOL project forward!
    Ideas page

    Ideas page

    A great way to get started, explore ideas, and contribute long-term (like during GSoC or internships) is by picking up one of our open project ideas.
    Community Pulse

    Community Pulse

    A live look at the Collabora Online community: code changes, GitHub issues, forum activity, translations, and Docker downloads, refreshed nightly from public data sources.
    Grab Your Swag

    Grab Your Swag

    Hosting an event? Request your Collabora materials here.