1.chatwoot / chatwoot
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 222 by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
Mastra is the modern TypeScript framework for AI-powered applications and agents.
Bindu: The identity, communication, and payments layer for AI agents.
The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
Connect your agents & product to 1,000 APIs.
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orchestrator (benchmarked against Airflow, Prefect and Temporal). Business teams build with AI, engineers control what ships. Open-source alternative to Lovable, Retool and n8n.
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, POP3S, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
The open-source communication infrastructure for agents and products
Development at the speed of light
Protocol Buffers - Google's data interchange format
A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)
A scalable, distributed, collaborative, document-graph database, for the realtime web
The open-source reactive database for app developers
All-in-one IoT Platform - Device management, data collection, processing and visualization.
Open Source Feature Flags, Experimentation, and Product Analytics
Beautiful Open-Source Form Builder
Distributed Task Queue (development branch)
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.
The leading workflow orchestration platform. Run stateful step functions and AI workflows on serverless, servers, or the edge.
Next Generation Server Toolkit. Create web servers with everything you need and deploy them wherever you prefer.
The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.
Application for managing recipes, planning meals, building shopping lists and much much more!
Web APIs for Django. 🎸
Source-available agent platform for Global × China enterprises — wire every system through one agent core. Self-hosted, any LLM.
Open-source event management and ticket selling platform — perfect for concerts, conferences, and everything in between 🎟️ If you find this project helpful, please consider giving us a star ⭐️
Embedded web server, with TCP/IP network stack, MQTT and Websocket
Wasmer SDK: Run anything, anywhere suing WebAssembly-based sandboxes
Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
A lightweight, high-performance, industrial-grade cross-language logging library (C++/Java/C#/Kotlin/TS/Python/Go), battle-tested in Honor of Kings.
High Performance Web Platform Based on Nginx and LuaJIT
AWX provides a web-based user interface, REST API, and task engine built on top of Ansible. It is one of the upstream projects for Red Hat Ansible Automation Platform.
A JavaScript implementation of various web standards, for use with Node.js
The JSON Schema specification
Cap'n Proto serialization/RPC system - core tools and C++ library
✉️ Send e-mails with Node.JS – easy as cake!
A Fast and Easy to use microframework for the web.
Open Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol)
gunicorn 'Green Unicorn' is a WSGI HTTP Server for UNIX, fast clients and sleepy applications.
A simple, distributed task scheduler and runner with a web based UI.
The Developer Platform for Modern APIs
WebAssembly System Interface
Ticket shop application for conferences, festivals, concerts, tech events, shows, exhibitions, workshops, barcamps, etc.
C++ Requests: Curl for People, a spiritual port of Python Requests.
A fast JSON parser/generator for C++ with both SAX/DOM style API
beego is an open-source, high-performance web framework for the Go programming language.
Enterprise-ready, Git native feature management solution
TickerQ is a fast, reflection-free background task scheduler for .NET built with source generators, EF Core integration, cron + time-based execution, and a real-time dashboard.
CKAN is an open-source DMS (data management system) for powering data hubs and data portals. CKAN makes it easy to publish, share and use data. It powers catalog.data.gov, open.canada.ca/data, data.humdata.org among many other sites.
Meteor, the JavaScript App Platform
A simple library for creating state machines in C# code
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
KurrentDB is a database that's engineered for modern software applications and event-driven architectures. Its event-native design simplifies data modeling and preserves data integrity while the integrated streaming engine solves distributed messaging challenges and ensures data consistency.
Computing-focused community centered around link aggregation and discussion
A C++ library for interacting with JSON.
An open source headless CMS / real-time database. Powerful table editor, full-text search, and SDKs for JS / React / Svelte.
canonical libwebsockets.org networking library
The Cloud Native Webhooks Gateway
Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive consistency, enable high-quality code practices, simplify onboarding, and accelerate standardized delivery across teams.
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
The automatic type-safe REST library for .NET. Refit turns a REST API into a C# interface and generates the HttpClient implementation, with support for HttpClientFactory, pluggable serializers and a testing package.
High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.
Healthcare data infrastructure for next generation care delivery.
Store and access data published by OwnTracks apps
Premium Queue package for handling distributed jobs and messages in NodeJS.
Vert.x is a tool-kit for building reactive applications on the JVM
GraphQL is a query language and execution engine tied to any backend service.
Lightweight job scheduling for Node.js
Conference planning tool: CfP, scheduling, speaker management
The Simple, Secure Framework Developers Trust
Attendize is an open-source ticket selling and event management platform built on Laravel.
Ultra performant API Gateway with middlewares. A project hosted at The Linux Foundation
A collection of C++ HTTP libraries including an easy to use HTTP server.
Protocol Buffers library for idiomatic .NET
Python disk-backed cache (Django-compatible). Faster than Redis and Memcached. Pure-Python.
:bus: Simple and lean service bus implementation for .NET
TranslatedBest microservices framework in Go, like alibaba Dubbo, but with more features, Scale easily. Try it. Test it. If you feel it's better, use it! Java has dubbo, Golang has rpcx! build for cloud!
Enterprise Kubernetes management, accelerated. 🚀
Fast and fully streamed Man-On-The-Middle to intercept, record, impersonate and alter HTTP/1.1, H2, websocket and gRPC traffic.
The Essential Toolkit for building Internal Tools and admin panels with Ruby on Rails
A python wrapper for the GitLab API.
Cockpit Core - Content Platform
A simple web user interface library for ESP32 and ESP8266
OAuth2 goodies for the Djangonauts!
A ROS/ROS2 Multi-robot Simulator for Autonomous Vehicles
A reference implementation of a JSON package in Java.