Browse free open source Collaboration software and projects for Mac and Linux below. Use the toggles on the left to filter open source Collaboration software by OS, license, language, programming language, and project status.

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  • 1
    Feng Office: Project Management and more
    Feng Office (formerly known as OpenGoo) is a free and open source online project management and collaboration tool, licensed under the Affero GPL 3 license.
    Downloads: 24 This Week
    Last Update:
    See Project
  • 2
    TWiki Enterprise Collaboration Platform

    TWiki Enterprise Collaboration Platform

    Open Source Enterprise Wiki and Web Application Platform

    Enterprise collaboration platform with over 400 extensions. Users without programming skills can create web applications. 50,000 small businesses, many Fortune 500 companies, and millions of people use TWiki, with installations of 100,000s of pages. Visit http://twiki.org/ for the open source TWiki. The TWiki community is focusing on building the best collaboration platform for the workplace. We invite you to GET INVOLVED! More at http://bit.ly/twGetInv.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 3
    eXo Platform - Digital Workplace

    eXo Platform - Digital Workplace

    The open-source digital workplace for growing teams and enterprises.

    eXo Platform is an open-source digital workplace solutions for growing teams and enterprises, featuring: ✅ Internal Communications ✅ Team Collaboration ✅ Knowledge Management ✅ Productivity and Employee Recognition use cases. eXo stands out by: 👍 its fluid and integrated employe experience, on desktop and mobile 👍 the platform’s ease of use 👍 innovative employee engagement features. eXo Platform is developed on open-source technology and supports open standards. The platform is extensible and interoperable, all services are exposed REST APIs. The platform also offers additional security capabilities, developed in collaboration with highly sensitive clients. With eXo Platform, companies can connect, engage and reward their employees, customers, and partners with its social, engagement and gamification capabilities.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 4
    Openfire

    Openfire

    An XMPP server licensed under the Open Source Apache License

    Openfire is a real time collaboration (RTC) server licensed under the Open Source Apache License. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and performance.
    Downloads: 3 This Week
    Last Update:
    See Project
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  • 5
    Foswiki
    Foswiki is an Enterprise wiki, typically used to run a collaboration platform, knowledge base or document management system. Users can create wiki applications using the Topic Markup Language, and developers can extend its functionality with plugins. Foswiki stands for "Free and Open Source" wiki to emphasize its commitment to Open Source software.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 6
    CryptPad
    CryptPad is an open-source, end-to-end encrypted collaborative office suite developed by XWiki SAS. It offers a privacy-focused alternative to mainstream cloud-based productivity tools, enabling users to create, edit, and share documents securely without compromising data privacy. All content is encrypted client-side, ensuring that only authorized users can access the information. CryptPad supports various applications, including rich text documents, spreadsheets, presentations, code editing, kanban boards, polls, and whiteboards, facilitating real-time collaboration among teams. Users can access CryptPad without creating an account, and the platform also offers self-hosting options for organizations seeking full control over their data.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Cucumber

    Cucumber

    Cucumber for Ruby

    It’s simple. Whether open source or commercial, our collaboration tools will boost your engineering team's performance by employing Behavior-Driven Development (BDD). And with our world-class training, take it to places it’s never been. Cucumber is a tool for running automated tests written in plain language. Because they're written in plain language, they can be read by anyone on your team. Because they can be read by anyone, you can use them to help improve communication, collaboration and trust on your team. This is the Ruby implementation of Cucumber. Cucumber is also available for JavaScript, Java, and a lot of other languages. Validate executable specifications against your code on any modern development stack. 40+ million open source downloads, the #1 tool for BDD. CucumberStudio is the leading collaboration platform for BDD - an easy-to-use tool to define ideas, test code, and learn in production from real-time insight.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Loro

    Loro

    Make your JSON data collaborative and version-controlled with CRDTs

    loro is a high-performance CRDT (Conflict-free Replicated Data Type) engine designed for building collaborative applications that sync in real time across multiple peers or devices. Written in Rust, loro is designed to be compact, fast, and embeddable in a wide range of environments, from desktop to mobile to web via WebAssembly. Its architecture supports multiple data types like text, maps, and lists, and it offers automatic conflict resolution with minimal data overhead. It is ideal for real-time editors, whiteboards, and distributed systems that require reliable, peer-to-peer synchronization.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    Twake

    Twake

    Twake is a secure open source collaboration platform

    Simple and secure collaboration platform that improves your team productivity. Fully compliant with GDPR. Twake is powered by Linagora, trusted by more than 3000 organizations around the world to improve their organizational productivity. Communicate seamlessly with your team using channels. Invite external users, start a video meeting, share files, and collaborate on documents. Manage your project timelines, create new tasks, move tasks based on their progress, and assign duties and deadlines to your team members. Easily access all your shared and stored documents using Twake's drag-and-drop file manager. Manage versions and labels, and edit your files with ease. Create team events, attach video conference links, relevant files and tasks, configure notifications for various members, and set deadlines for tasks.
    Downloads: 1 This Week
    Last Update:
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  • 10
    Ganib | Project Management Software

    Ganib | Project Management Software

    Open Source, tasks, bug tracking, agile scrum, timesheet, wiki

    Ganib gives simpler ways to keep your projects organized and on track. Take advantage of easy features that help you quickstart and makes your team more efficient and productive. Open source Web based online agile project management collaboration software free, J2EE platform, MySql database with project dashboards & reporting. Organized Teams & Projects: Easily plan & manage projects with intuitive features to help your team deliver on time. Quickly focus on what's important, easily select actions to take. Be efficient for everyday work, project tasks, important details, and timelines. Tasks: Set milestones, tasks, subtasks with duration and dependencies to teams better organized. Scrum: Communicate effectively with your team using scrum, wikis & discussions to make better decisions. ​ Timesheet & Tracking: Track the time spent in real time using gTrack desktop tool with desktop screenshots. Bug Tracking: Manage bugs. Demo: http://www.ganib.com
    Downloads: 5 This Week
    Last Update:
    See Project
  • 11
    Collabtive

    Collabtive

    Collabtive is web based project management software. Simple and easy.

    Collabtive is web based collaboration software. It is an Open Source alternative for proprietary tools like Active Collab or Basecamp. Features include: Projects, Instant Messenger, Tasks, Files, Timetracking, Multilanguage, Basecamp import
    Downloads: 5 This Week
    Last Update:
    See Project
  • 12
    Kablink
    Kablink open team collaboration software uses social networking to unify team workspaces w/ real-time web conferencing. Collaboration for knowledge networking, program management, communities-of-practice, telework, other business process/functional areas
    Downloads: 5 This Week
    Last Update:
    See Project
  • 13
    MyCollab - Project Management Software

    MyCollab - Project Management Software

    task management, bug tracking, kanban, project management

    WE DISCONTINUE UPDATE THE PROJECT ON SOURCEFORGE SITES. FOR THE NEW RELEASE, VISIT https://community.mycollab.com. MyCollab is a free, open source collaboration platform management. It provides the comprehensive set features of Project Management, CRM, and Document Management. MyCollab is used very well in both traditional project management or Agile methodologies. It is the web-based application runs on Java platform and MySQL database. Its installation process is simple, and you do not need to edit configuration files manually as many other Java programs. MyCollab is the final choice of many organizations to find the best software for their usages. It covers all areas of project management; it's worth to try. Installation ======== * Download MyCollab binary - https://www.mycollab.com/self-hosted/ * Follow installation guideline at https://community.mycollab.com/docs/hosting-mycollab-on-your-own-server/installing-mycollab/
    Downloads: 4 This Week
    Last Update:
    See Project
  • 14
    Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Please see www.zimbra.com for the latest news and downloads.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 15
    2-plan Team
    2-plan Team is an open-source project management and collaboration software. 2-plan Team is a fork of collabtive with features like gantt-chart, burn-down chart, API and mobile interface as well.
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    Downloads: 8 This Week
    Last Update:
    See Project
  • 16
    Asterisk PBX Integration Zimlet is an Extension for Zimbra Collaboration Suite. The Zimlet does Interface with the Asterisk Manager Interface to integrate with Asterisk PBX. The main focus is dial-on-click for Phone numbers inside Contacts and Emails.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    Orangescrum

    Orangescrum

    Orangescrum Project Management Software

    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    Application sharing software that allows individual windows to be replicated to other computers. Remote collaboration tool based on a modified VNC protocol. Its advantage is to keep some things, like email, private, while sharing other desktop apps.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Coefficient is a project-based collaboration platform deployable as either a J2EE or a Web application. It provides collaboration tools as hot deployable modules. It also provides a workflow engine to help guide projects through their development cycle.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Effectopedia
    Effectopedia is open knowledge aggregation and collaboration tool that provides a means of describing adverse outcome pathways in encyclopedic manner.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21

    KoDeMat

    Realtime Collaboration Software Platform

    The KoDeMat Project offers an open real time collaboration software platform that enables multiple users to work together by sharing project specific information. Initially KoDeMat targets the logistics area where it offers a virtual 3D Environment for the collaborative planning and testing of material handling systems in logistics facilities. see also: http://www.fml.mw.tum.de/fml/index.php?Set_ID=905 Code for Git can be found: https://github.com/akiskip/KoDeMat-Collaboration-Plattform-Application
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    eStudy
    eStudy is an Open Source e-learning and collaboration platform for colleges and universities. In addition to usual course management facilities, eStudy provides special support for role-play simulations in computer science.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    ATUIN (Atuin the unique innovation network) is a wiki-inspired collaboration platform for creating a problem-solution network written in PHP (implementing the Zend Framework) using XML/RDF files.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Aqua Media Database (Aquamdb) is a social media collaboration tool. Right now it only supports collecting media (CDs and DVDs) and tagging them.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    AsWiki is WikiWikiWeb clone (Wiki Engine) written in Ruby. WikiWikiWeb is web base collaboration tool. AsWiki provide web-site which anyone can create and edit page. It has features easy customize its publish html and RCS base version log.
    Downloads: 0 This Week
    Last Update:
    See Project
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