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 7 complete days
1–100 of 125 by Attention Score · Oct 29, 2026 – Nov 4, 2026 (UTC)
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
Mastra is the modern TypeScript framework for AI-powered applications and agents.
: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.
Development at the speed of light
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.
Beautiful Open-Source Form Builder
Connect your agents & product to 1,000 APIs.
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
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.
The open-source communication infrastructure for agents and products
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.
Distributed Task Queue (development branch)
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 ⭐️
Next Generation Server Toolkit. Create web servers with everything you need and deploy them wherever you prefer.
A scalable, distributed, collaborative, document-graph database, for the realtime web
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
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.
QuickJS with durable execution: suspend running JS, snapshot the whole heap, resume it in another process. Native TypeScript, a REPL that survives restarts, Rust bindings.
A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)
All-in-one IoT Platform - Device management, data collection, processing and visualization.
Open Source Feature Flags, Experimentation, and Product Analytics
The leading workflow orchestration platform. Run stateful step functions and AI workflows on serverless, servers, or the edge.
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!
Cap'n Proto serialization/RPC system - core tools and C++ library
Protocol Buffers - Google's data interchange format
Web APIs for Django. 🎸
Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
A Fast and Easy to use microframework for the web.
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.
High Performance Web Platform Based on Nginx and LuaJIT
The open-source reactive database for app developers
C++ Requests: Curl for People, a spiritual port of Python Requests.
Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.
A JavaScript implementation of various web standards, for use with Node.js
Embedded web server, with TCP/IP network stack, MQTT and Websocket
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.
The JSON Schema specification
Enterprise-ready, Git native feature management solution
Computing-focused community centered around link aggregation and discussion
Simple .INI file parser in C, good for embedded systems
A pluggable, high-performance RPC framework written in golang
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
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.
✉️ Send e-mails with Node.JS – easy as cake!
A fast JSON parser/generator for C++ with both SAX/DOM style API
An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
A simple, distributed task scheduler and runner with a web based UI.
MessagePack implementation for C and C++ / msgpack.org[C/C++]
Conference planning tool: CfP, scheduling, speaker management
A Ruby Gem that adds annotations to your Rails models and route files.
Premium Queue package for handling distributed jobs and messages in NodeJS.
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.
canonical libwebsockets.org networking library
A reference implementation of a JSON package in Java.
An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.
The Cloud Native Webhooks Gateway
A social networking engine in PHP/MySQL
Workflow Engine by Optimajet, the embeddable workflow engine for .NET and C#. Approvals, state machines and long-running processes with a visual Workflow Designer, BPMN import and six databases.
Meteor, the JavaScript App Platform
beego is an open-source, high-performance web framework for the Go programming language.
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.
A simple library for creating state machines in C# code
WebAssembly System Interface
https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download. API docs at http://json-c.github.io/json-c/
:bus: Simple and lean service bus implementation for .NET
A better commenting experience from Vox Media
pg_timetable: Advanced scheduling for PostgreSQL
A cli tool for creating Laravel packages
Cross-platform, efficient, customizable, and robust asynchronous HTTP(S)/WebSocket server C++ library with the right balance between performance and ease of use
Store and access data published by OwnTracks apps
A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON, toon-format
Self-hosted AI-assisted CTI-to-detection workbench for ATT&CK mapping, IOC/CVE intelligence, Threat Radar, malware triage, Attack Simulation, and SIEM validation.
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
Ultra performant API Gateway with middlewares. A project hosted at The Linux Foundation
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
A small, lightweight, embeddable HTTP server for Mac OS X or iOS applications
Thoughtfully architected, obscenely fast, thoroughly enjoyable web services for all
The Developer Platform for Modern APIs
The GraphQL toolkit for Elixir
A simple, fast, robust job/task queue for Node.js, backed by Redis.
goworker is a Go-based background worker that runs 10 to 100,000* times faster than Ruby-based workers.
Clojure(Script) library for declarative data description and validation