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A local-first desktop workspace for persistent AI teammates. Run Codex, Claude, and Grok with dedicated workspaces, task queues, file sharing, browser control, and agent-to-agent collaboration.

Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.

OpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐ Star us on GitHub

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

Penpot: The open-source design platform for Product teams that need scalable collaboration.

The most complete open-source travel planner: real-time collaboration, bookings, budgets, packing lists, journals, offline PWA, SSO and an AI-ready MCP server, with planet-wide place search and routing built in.

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

OpenAgents - The collaboration OS for AI agents

A glossy Matrix collaboration client for the web.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

ChatDev 2.0: Dev All through LLM-powered Multi-Agent Collaboration

CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

Creating realistic RL environments requires collaboration between researchers, engineers, and domain experts across many dimensions: artifacts, environments tools, dynamism of the environment, reproducibility, and more. There is no open source framework for building these environments effectively. Until now.

AI coworker with memory and collaboration

The open-source support inbox + live chat and inbox collaboration for teams

Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.

The official Swift SDK for Model Context Protocol servers and clients. Maintained in collaboration with Apple

Plan, build, and deliver with an open-source, self-hostable AI workspace for coding, collaboration, and automation.

Open source IaC Automation and Collaboration Software.

Self-hosted shared workspace for communities — live collaboration on tasks, documents, calendars, dashboards and more in one place. Project management that starts simple and grows with you.

Share is a browser-based BIM & CAD viewer and collaboration platform. Supports IFC, STEP, STL, OBJ, GLTF

SpECTRE is a code for multi-scale, multi-physics problems in astrophysics and gravitational physics.

lighttpd1.4 on github for easier collaboration - main repo still on lighttpd.net

Open source remote collaboration platform used for configuring and deploying enterprise Workflow solutions.

FacilMap is a privacy-friendly, open-source versatile online map that combines different services based on OpenStreetMap and makes it easy to find places, plan trips and add markers, lines and routes to custom maps with live collaboration.

Element's Classic app for Matrix collaboration on iOS

Dradis Framework: Collaboration and reporting for IT Security teams

A next generation, full-stack acceptance testing framework optimised for collaboration, speed and scale!

A Matrix collaboration client for Android.