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 133 by Attention Score · Oct 28, 2026 – Nov 3, 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.
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.
: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
Beautiful Open-Source Form Builder
Connect your agents & product to 1,000 APIs.
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
🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative
Distributed Task Queue (development branch)
The open-source communication infrastructure for agents and products
Next Generation Server Toolkit. Create web servers with everything you need and deploy them wherever you prefer.
Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.
A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)
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.
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 ⭐️
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
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 scalable, distributed, collaborative, document-graph database, for the realtime web
Open Source Feature Flags, Experimentation, and Product Analytics
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.
All-in-one IoT Platform - Device management, data collection, processing and visualization.
The leading workflow orchestration platform. Run stateful step functions and AI workflows on serverless, servers, or the edge.
Application for managing recipes, planning meals, building shopping lists and much much more!
Protocol Buffers - Google's data interchange format
Cap'n Proto serialization/RPC system - core tools and C++ library
The open-source reactive database for app developers
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.
Embedded web server, with TCP/IP network stack, MQTT and Websocket
Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
Web APIs for Django. 🎸
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.
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.
A Fast and Easy to use microframework for the web.
Simple .INI file parser in C, good for embedded systems
A JavaScript implementation of various web standards, for use with Node.js
✉️ Send e-mails with Node.JS – easy as cake!
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
The JSON Schema specification
A fast JSON parser/generator for C++ with both SAX/DOM style API
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.
Enterprise-ready, Git native feature management solution
High Performance Web Platform Based on Nginx and LuaJIT
An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
Conference planning tool: CfP, scheduling, speaker management
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
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.
The Cloud Native Webhooks Gateway
Cast macOS and Linux Audio/Video to your Google Cast and Sonos Devices
A pluggable, high-performance RPC framework written in golang
Meteor, the JavaScript App Platform
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)
A simple library for creating state machines in C# code
WebAssembly System Interface
The Developer Platform for Modern APIs
Computing-focused community centered around link aggregation and discussion
MessagePack implementation for C and C++ / msgpack.org[C/C++]
:bus: Simple and lean service bus implementation for .NET
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.
beego is an open-source, high-performance web framework for the Go programming language.
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.
GraphQL is a query language and execution engine tied to any backend service.
A C++ library for interacting with JSON.
canonical libwebsockets.org networking library
A reference implementation of a JSON package in Java.
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/
An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.
A better commenting experience from Vox Media
Virtual environment for Node.js & integrator with virtualenv
A social networking engine in PHP/MySQL
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
The official Firely .NET SDK for HL7 FHIR
Fast and fully streamed Man-On-The-Middle to intercept, record, impersonate and alter HTTP/1.1, H2, websocket and gRPC traffic.
Self-hosted AI-assisted CTI-to-detection workbench for ATT&CK mapping, IOC/CVE intelligence, Threat Radar, malware triage, Attack Simulation, and SIEM validation.
High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.
Lightweight job scheduling for Node.js
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.
Ultra performant API Gateway with middlewares. A project hosted at The Linux Foundation
A small, lightweight, embeddable HTTP server for Mac OS X or iOS applications
Thoughtfully architected, obscenely fast, thoroughly enjoyable web services for all
A simple, fast, robust job/task queue for Node.js, backed by Redis.
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.