Team Collaboration

excalidraw

by excalidraw

Virtual whiteboard for sketching hand-drawn like diagrams

AppFlowy

by AppFlowy-IO

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source…

tldraw

by tldraw

Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

Rocket.Chat

by RocketChat

The Secure CommsOS™ for mission-critical operations

cobalt

by imputnet

best way to save what you love

mattermost

by mattermost

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

server

by nextcloud

☁️ Nextcloud server, a safe home for all your data

focalboard

by mattermost-community

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

zulip

by zulip

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

yjs

by yjs

Shared data types for building collaborative software

univer

by dream-num

The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.

linkwarden

by linkwarden

⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.

etherpad

by ether

Etherpad: A modern really-real-time collaborative document editor.

bit

by teambit

AI-powered development workspaces with reusable components, architectural clarity and zero overhead.

drawnix

by plait-board

开源白板工具（SaaS），一体化白板，包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.

unleash

by Unleash

Open-source feature management platform

chat

by tinode

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

planka

by plankanban

Elegant open source project tracking. Self-hosted Kanban for teams — free Community edition, with PLANKA Pro for organisations.

wandb

by wandb

The AI developer platform. Use Weights & Biases to train and fine-tune models, and manage models from experimentation to production.

codimd

by hackmdio

CodiMD - Realtime collaborative markdown notes on all platforms.

open-pencil

by open-pencil

AI-native design editor. Open-source Figma alternative.

bigbluebutton

by bigbluebutton

A complete web conferencing system for virtual classes and more!

cryptpad

by cryptpad

Collaborative office suite, end-to-end encrypted and open-source.

hedgedoc

by hedgedoc

HedgeDoc - Ideas grow better together

DocumentServer

by ONLYOFFICE

ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office…

faraday

by infobyte

Open-source and AI-powered cybersecurity tools for offensive security, vulnerability management, and autonomous pentesting. Built by hackers in Latin America, used worldwide.

KodExplorer

by kalcaddle

A web based file manager,web IDE / browser based code editor

blocksuite

by toeverything

🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.

partykit

by partykit

PartyKit simplifies developing multiplayer applications

DesktopEditors

by ONLYOFFICE

Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux, and macOS

Kiln

by Kiln-AI

Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and more.

colanode

by colanode

Open-source and local-first Slack and Notion alternative that puts you in control of your data

SparkleShare

by hbons

Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows

FluidFramework

by microsoft

Library for building distributed, real-time collaborative web applications

mirotalk

by miroslavpejic85

🚀 Open-source, self-hosted P2P WebRTC video conferencing for fast, private real-time communication. Create browser-based meeting rooms with no downloads or time limits, plus…

liveblocks

by liveblocks

Realtime infrastructure for multiplayer apps and agents

openagents

by openagents-org

OpenAgents - The collaboration OS for AI agents

wireflow

by vanila-io

Wireflow - user flow chart real-time collaborative tool

mapus

by alyssaxuu

A map tool with real-time collaboration 🗺️

terminusdb

by terminusdb

TerminusDB is a Knowledge Graph Database with Version Control. Time-travel, reason, collaborate, branch, merge, diff, and query your data with Datalog.

CommunityServer

by ONLYOFFICE

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

mirotalksfu

by miroslavpejic85

🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi Meet, and Microsoft…

Openfire

by igniterealtime

An XMPP server licensed under the Open Source Apache License.

pwndoc

by pwndoc

Pentest Report Generator

reverse-linear-sync-engine

by wzhudev

A reverse engineering of Linear's sync engine.

skillshare

by runkids

📚 Sync skills, agents, MCP, plugins to all AI CLI tools with one command and simplify team sharing.

linen.dev

by Linen-dev

Lightweight Google-searchable Slack alternative for Communities

quiet

by TryQuiet

A private, p2p alternative to Slack and Discord built on Tor & IPFS

vim-keybindings-everywhere-the-ultimate-list

by erikw

The ultimate list of which programs support Vim-like keybindings natively, or how they can be added with extensions. A collaborative project.

community

by documize

Modern Confluence alternative designed for internal & external docs, built with Go + EmberJS