Open Source Windows Collaboration Software

Collaboration Software for Windows

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Browse free open source Collaboration software and projects for Windows 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
    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: 22 This Week
    Last Update:
    See Project
  • 2
    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: 4 This Week
    Last Update:
    See Project
  • 3
    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: 15 This Week
    Last Update:
    See Project
  • 4
    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: 10 This Week
    Last Update:
    See Project
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  • 5
    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: 2 This Week
    Last Update:
    See Project
  • 6
    Wireflow

    Wireflow

    User flow chart real-time collaborative tool

    Wireflow is an open-source collaborative tool for designing and visualizing user experience flows and wireframes directly in the browser, aimed at UX designers, product managers, and developers who need to map out interactive user journeys without heavy graphic design tools. Unlike static flowchart apps, Wireflow’s interface focuses on quick and intuitive creation of flow diagrams that represent screens and transitions, helping teams prototype and iterate on navigation logic and interaction sequences. It supports real-time collaboration, meaning multiple people can work on the same flow simultaneously, making it useful for distributed teams and remote workshops. Users can drag and drop nodes, connect steps with directed lines, and annotate interactions, producing a visual blueprint for app behavior, website navigation, or feature flows.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    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: 8 This Week
    Last Update:
    See Project
  • 8
    SparkleShare

    SparkleShare

    Share and collaborate by syncing with any Git repository

    SparkleShare creates a special folder on your computer. You can add remotely hosted folders (or "projects") to this folder. These projects will be automatically kept in sync with both the host and all of your peers when someone adds, removes or edits a file. SparkleShare was made to cover certain use cases, but doesn't handle every scenario well. SparkleShare uses the version control system Git under the hood, so setting up a host yourself is relatively easy. Using your own host gives you more privacy and control, as well as lots of cheap storage space and higher transfer speeds. The idea of SparkleShare sprouted at the GNOME Usability Hackfest in London, where a couple of designers came to the conclusion that they didn't have a good (Open Source) collaboration tool to share their work.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    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: 3 This Week
    Last Update:
    See Project
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  • 10
    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.
    Leader badge
    Downloads: 5 This Week
    Last Update:
    See Project
  • 11
    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: 1 This Week
    Last Update:
    See Project
  • 12
    Effectopedia
    Effectopedia is open knowledge aggregation and collaboration tool that provides a means of describing adverse outcome pathways in encyclopedic manner.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    Version Control for engineers

    Version Control for engineers

    Revision control for hardware, engineering and scientific projects

    Version Control for engineers (SVN edition) is a freeware Windows collaboration tool for engineers, scientist and designers. Version Control for engineers give you the file revision control for your hardware, engineering and scientific projects. Version Control for engineers is graphical user interface for SVN (Apache Subversion, http://subversion.apache.org/) version control system, special optimized for image, CAD/CAM files and technical visuals. Program supports the file, http and https connection to SVN repositories. Also see the Portable Edition https://sourceforge.net/projects/portable.postpdm.p/
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    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
  • 15
    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
  • 16
    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
  • 17
    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: 0 This Week
    Last Update:
    See Project
  • 18
    A multi-threaded network capable drawing and collaboration program. Multiple drawing clients can connect to a server, allowing users to collaborate on a single image over the internet. Git repository: http://github.com/skitzycat/beedraw/tree/master
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    A collaboration software that demonstrate MySql integration with C#.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Busca ativa - Cliente

    Busca ativa - Cliente

    Programa cliente para notificações de doenças de agravos.

    Sistema cliente. Deve ser instalado nos clientes do Busca ativa - Servidor (https://busca-ativa-servidor.sourceforge.io), ou seja, o Busca ativa - Cliente comunicará com o Busca ativa - Servidor. No intuito de concentrar as notificações de doenças de agravo em um determinado local central. Exemplo: Busca ativa - Cliente => Instalado em laboratórios de análise clínicas Busca ativa - Servidor => Instalado na Secretaria Municipal de Saúde.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    CCorpSoft Studio is a PHP based employee collaboration tool written from scratch. It includes a shared calander, shared contacts database, shared lead management database, RSS feed reader, search capabilities, and Email-like messaging.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    A secure collaborative framework that is being used by other projects such as CFAgent (online customer service), CFWeb (pure HTTP communication for CFAgent) and much more in addition to serving as a standalone all-in-one collaboration platform by itself.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    CoVim

    CoVim

    Collaborative Editing for Vim

    CoVim enables collaborative, real-time editing sessions in Vim by networking multiple clients into a shared buffer. Participants can see each other’s cursors and changes as they type, approximating pair programming inside a modal editor. Sessions are hosted on a server process that coordinates edits and user presence across machines. The goal is to keep collaboration simple while preserving familiar Vim motions and commands. It is particularly handy for remote code walkthroughs, mentoring, or quick review sessions without switching to a different editor. While not as full-featured as cloud IDEs, it provides a lightweight way to co-edit in pure Vim.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    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: 0 This Week
    Last Update:
    See Project
  • 25
    Collab: a collaboration tool
    A tool to edit .txt files and other files (now only a simple .rtf) with multiple persons through a IRC network. Easy to use, automatic upload function so you can work togheter wherever you want. Help me to improve this! Ideas? Contact me...
    Downloads: 0 This Week
    Last Update:
    See Project
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