Open Source Collaboration Tools
Collaboration tools help people coordinate work, communicate, and create shared resources across teams or communities. They address challenges such as scattered conversations, conflicting document versions, remote meetings, and unclear task ownership. Depending on the work, collaboration may happen in real time or asynchronously, and may involve text, files, code, designs, or shared workspaces. Open source options can also let organizations inspect, adapt, and operate the software according to their needs.
This area includes messaging and video conferencing, online office suites, shared boards and design editors, task coordination, and tools for working together on code or terminals. When choosing a tool, consider its maturity, license, maintenance activity, security and privacy model, hosting requirements, accessibility, and integration with existing workflows. These tools are useful for distributed teams, schools, nonprofits, businesses, and individuals who want more control over how they work together.
29 repositories · updated October 3, 2026

ai-memory: Long-Term Memory Solution for AI Coding Agents
ai-memory is a robust solution providing long-term memory for AI coding agents, enabling seamless handoffs between different agent vendors and machines. It ensures that project knowledge, failed approaches, and open questions persist, facilitating collaborative development and continuous progress across various tools and teams. Built in Rust, this open-source project offers a reliable and transparent way to manage agent memory.

background-agents: An Open-Source System for Background Coding Agents
background-agents is an open-source system designed for running background coding agents. It enables developers to automate tasks, collaborate in real-time, and integrate with various platforms like GitHub, Slack, and Linear. With support for multiple AI models and full development environments, it streamlines development workflows and enhances productivity.

AgentTeams: Collaborative Multi-Agent OS for Human-in-the-Loop Task Coordination
AgentTeams is an innovative open-source Collaborative Multi-Agent Operating System designed for transparent, human-in-the-loop task coordination. It leverages Matrix rooms to facilitate seamless interaction between human users and AI agents. This platform empowers teams to manage complex tasks efficiently, ensuring full visibility and control over agent activities.

open-pencil: Edit and Automate Design Files
OpenPencil is an AI-assisted design editor for opening and editing .fig and .pen files. It combines a visual canvas with CLI, MCP, and scripting tools for design workflows, plus real-time collaboration and a headless Vue SDK.

officeonline: Connect Nextcloud to Office Online Server
Nextcloud’s Office Online integration lets users work with documents through a self-hosted Office Online Server. It is intended for Nextcloud deployments that can configure an on-premise server as a trusted WOPI host.

element-web: Access Matrix Chats in a Web Client
Element Web is a browser-based Matrix client for messaging and collaboration, built with the Matrix JS SDK. Use the hosted app or deploy an instance of your own; the repository also includes an Electron desktop app.

DocumentServer: Host Collaborative Online Office Editors
ONLYOFFICE Docs provides self-hosted editors and viewers for documents, spreadsheets, presentations, forms, and PDFs. It suits teams and product integrators that need real-time editing embedded in a collaboration platform or application.

textrix: Create and Publish Rich-Text Articles
Textrix is a ProseMirror-based publishing editor for building Medium-style writing experiences. It combines editing and publishing, with static HTML output and support for framework-based or vanilla JavaScript apps.

Yoopta-Editor: Build Custom Rich-Text Editors for React
Yoopta-Editor is a TypeScript rich-text editor toolkit for React, built on Slate. Its plugin-based, headless core and optional UI components help teams create anything from a simple writing surface to a CMS-style page builder.

tldraw: Build Infinite Canvas Apps in React
tldraw is a TypeScript SDK for building interactive infinite-canvas applications in React. It provides drawing and diagramming tools, extensible canvas primitives, and optional real-time collaboration for teams building custom visual products.

Univer: Build AI-Native Spreadsheets with a Full-Stack Framework
Univer is an isomorphic, full-stack framework designed for creating and editing spreadsheets, documents, and presentations across web and server environments. It empowers developers to build AI-native applications, offering high performance, extensibility, and seamless integration into existing projects. With its robust feature set and plug-in architecture, Univer provides a powerful foundation for modern office suite functionalities.

AdventureLog: Track Travel and Plan Trips
AdventureLog is a self-hosted travel tracker and trip planner for organizing visited places, itineraries, and travel history on a map. It suits travelers who want to manage their own data and collaborate on plans.