💬 Communication & Community

freeCodeCamp

by freeCodeCamp

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

excalidraw

by excalidraw

Virtual whiteboard for sketching hand-drawn like diagrams

uptime-kuma

by louislam

A fancy self-hosted monitoring tool

hoppscotch

by hoppscotch

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

redis

by redis

For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector…

socket.io

by socketio

Bidirectional and low-latency communication for every platform

pathway

by pathwaycom

Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.

serviette

by pathwaycom

A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.

tldraw

by tldraw

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

mastodon

by mastodon

Your self-hosted, globally interconnected microblogging community

LocalAI

by mudler

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

discourse

by discourse

A platform for community discussion. Free, open, simple.

mitmproxy

by mitmproxy

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

Rocket.Chat

by RocketChat

The Secure CommsOS™ for mission-critical operations

cobalt

by imputnet

best way to save what you love

curl

by curl

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3,…

novu

by novuhq

The open-source communication infrastructure for agents and products

ChatTTS

by 2noise

A generative speech model for daily dialogue.

maigret

by soxoj

🕵️‍♂️ Collect a dossier on a person by username from 6K websites

mattermost

by mattermost

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

khoj

by khoj-ai

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your…

freecodecamp.cn

by FreeCodeCampChina

FCC China open source codebase and curriculum. Learn to code and help nonprofits.

server

by nextcloud

☁️ Nextcloud server, a safe home for all your data

bitchat

by permissionlesstech

bluetooth mesh chat, IRC vibes

SillyTavern

by SillyTavern

LLM Frontend for Power Users.

openpose

by CMU-Perceptual-Computing-Lab

OpenPose: Real-time multi-person keypoint detection library for body, face, hands, and foot estimation

AionUi

by iOfficeAI

Open-source 24/7 Cowork app for OpenClaw, Hermes, Claude Code, Codex, OpenCode and 20+ more CLI Agent | Customize your assistants | Team them up｜Star if you like it!

echo

by labstack

High performance, minimalist Go web framework

webtorrent

by webtorrent

⚡️ Streaming torrent client for the web

jitsi-meet

by jitsi

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

srs

by ossrs

SRS is a simple, high-performance, AI-driven real-time media server supporting RTMP, WebRTC, HLS, HTTP-FLV, HTTP-TS, SRT, MPEG-DASH, and GB28181, with codec support for H.264,…

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.

nsq

by nsqio

A realtime distributed messaging platform

iris

by kataras

The fastest HTTP/2 Go Web Framework. New, modern and easy to learn. Fast development with Code you control. Unbeatable cost-performance ratio :rocket:

websocket

by gorilla

Package gorilla/websocket is a fast, well-tested and widely used WebSocket implementation for Go.

dockge

by louislam

A fancy, easy-to-use and reactive self-hosted docker compose.yaml stack-oriented manager

Self-Hosting-Guide

by mikeroyal

Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs,…

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.

ws

by websockets

Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

forem

by forem

For empowering community 🌱

rocketmq

by apache

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

neko

by m1k1o

A self hosted virtual browser that runs in docker and uses WebRTC.

PHPMailer

by PHPMailer

The classic email sending library for PHP

livekit

by livekit

End-to-end realtime stack for connecting humans and AI

deskreen

by pavlobu

Deskreen turns any device with a web browser into a secondary screen for your computer. ⭐️ Star to support our work!

awesome-free-chatgpt

by LiLittleCat

🆓免费的 ChatGPT 镜像网站列表，持续更新。List of free ChatGPT mirror sites, continuously updated.

wekan

by wekan

FLOSS kanban, built with Meteor. Official Public Support at GitHub issues only. Official Private Pre-Paid Support at https://wekan.fi/commercial-support/ only. Translation PRs to…

goaccess

by allinurl

GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.