Open Source Windows Collaboration Software
Sort By:
Collaboration Software for Windows
View 1006 business solutionsBrowse 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.
-
Build Agents and Models on One PlatformGemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
-
Paessler - Monitor Your Whole Network in MinutesWaiting weeks for a monitoring rollout isn't an option when infrastructure doesn't stop running. PRTG's auto-discovery scans your network and suggests from over 200 pre-configured sensor types, so you're watching servers, applications and devices within minutes, not after a multi-week deployment. Enterprise-strength monitoring, without the enterprise complexity. Start your free trial today.
-
1
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. -
2
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.
-
3
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. -
4
Colanode
Open-source and local-first Slack and Notion alternative
Colanode is a free, open-source, local-first collaboration platform that combines team messaging, document editing, databases, and file management. Designed as an alternative to Slack and Notion, it provides self-hosted workspaces for individuals and organizations. Users can exchange messages, create rich-text pages, and organize projects through customizable databases. Database views include tables, Kanban boards, and calendars for managing structured information. Its synchronization system stores changes locally before transmitting them to a server, allowing continued work during network interruptions. Colanode uses Yjs-based conflict-free replicated data types to support simultaneous document editing. Available through desktop and web clients, it emphasizes data ownership, offline accessibility, and collaborative productivity. -
Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
-
5
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. -
6
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. -
7
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.
-
8
Cucumber.js
Cucumber for JavaScript
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. Cucumber.js is the JavaScript implementation of Cucumber and runs on the maintained Node.js versions. 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. 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. -
9
Fidus Writer
Fidus Writer is an online collaborative editor for academics
Fidus Writer is an online collaborative editor especially made for academics who need to use citations and/or formulas. The editor focuses on the content rather than the layout, so that with the same text, you can later on publish it in multiple ways: On a website, as a printed book, or as an ebook. In each case, you can choose from a number of layouts that are adequate for the medium of choice. -
Cut Data Warehouse Costs by 54%BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
-
10
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. -
11
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 -
12
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. -
13
TREK
A self-hosted travel/trip planner with real-time collaboration
TREK is a system designed to explore task execution, reasoning, or knowledge traversal in structured environments, likely focusing on guiding agents through complex multi-step processes. The project appears to emphasize traceability, allowing users to follow how decisions are made and how tasks progress through different stages. Its architecture suggests a focus on modular reasoning, where each step in a process is clearly defined and can be analyzed independently. This makes it particularly useful for debugging, experimentation, and understanding agent behavior in complex workflows. It may also include mechanisms for optimizing paths or improving decision-making efficiency over time. The system likely supports extensibility, enabling users to adapt it to different domains or problem types. Overall, TREK functions as a framework for structured exploration and execution in intelligent systems. -
14
OpenSparrow
Advanced Data Management Platform | PHP + vanilla JS + Postgres!
OpenSparrow is an open-source, self-hosted PHP + PostgreSQL platform with a vanilla JS frontend. Define your tables and relations in the friendly admin panel or directly in a JSON configuration file — the platform automatically generates data grids, forms, dashboards, and calendars. Full control over your data, zero vendor lock-in, zero dependency on external libraries. Perfect building HR/WMS/ERP/CRM systems, booking applications, task trackers and other custom application. Data Grid - Inline editing, error validation, status coloring, global search, and CSV export. Nested Relations - Support for "Drilldown" views to display nested data and sub-tables inside a record view. Visual Admin Panel - Configure schemas, form layouts, columns, and relations via GUI without writing code. Dashboard - Generate KPI widgets, interactive lists, and bar charts that aggregate live database data. Calendars - Map tables with dates to dynamic timelines and automate smart notifications for users. -
15
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.
-
16
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.
-
17
Collabsuite
Linux Mail Server with Calendaring and IM
Collabsuite is an open source mail and collaboration software which is highly integrated and cost-effective. It provides comprehensive Linux mail server with calendaring and instant messaging functionality for enterprise. With all its high-end functionality, it is a great alternative to MS Exchange and other proprietary and expensive solutions. The Server is built on GNU/Linux Debian and makes use of various free software such as Postfix, Dovecot, Ejabberd, Darwin Calendarserver and SOGo. The Webclient is based on the popular Roundcube webmail software, while the Archiver is based on the open source edition of Mail Archiva and is bundled with the Dojo Toolkit for the Chat Archive Interface. -
18
ConneX is a pure p2p collaboration platform based on JXTA technologie. its provides Real-Time collaboration tools in form of Plug-ins (instant messaging, file sharing, chat, whiteboard, slide show)100% Java.
-
19
MediaWiki Community Edition For Intranet
The Free & Popular MediaWiki Web Software in Complete Virtual Machine
This VM is created for 2 reasons: 1. Very little initial setup work required to make MediaWiki live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch Video below ( taken from my other project. just replace td with mw wherever mentioned ) After starting this VM, please login to its administration panel with: Website Address: https://mw.local/ ( Accept Any Warnings Due to Usage of Self-Signed https Certificates ) Admin Username: admin Admin Password: change_this from any PC on your Local Network. Explore all the Left Side Menu Options & User Guide, before starting any page entry. Some Demo Page Data is also loaded for info sake. Feel free to clear them, as required. Once setup & running, please ensure that a Backup of system, is taken regularly, to avoid any issues. These are covered in the video. Google Search helps in finding more about MediaWiki. -
20
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.
-
21
Aqua Media Database (Aquamdb) is a social media collaboration tool. Right now it only supports collecting media (CDs and DVDs) and tagging them.
-
22
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.
-
23
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.
-
24
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
-
25
