Open-source api-framework software
2097 open-source libraries, tools and applications tagged api-framework, ranked by how closely api-framework is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
2097 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| M3 M3 is an open-source distributed metrics platform comprising a purpose-built time series database (M3DB), a metrics aggregator, a Prometheu… | 87 | 4908 | stable |
| Statamic CMS Statamic is a flat-first, Laravel-powered content management system distributed as a Composer package that installs into an existing Larave… | 95 | 4906 | active |
| ACI.dev ACI.dev is an open-source tool-calling platform that connects 600+ SaaS tools to AI agents and agentic IDEs via direct function calling or … | 59 | 4905 | active |
| Goravel Goravel is a full-featured, modular web application framework for Go, styled after Laravel so PHP developers can build Golang applications … | 86 | 4869 | active |
| Searchkit Searchkit is an open-source TypeScript library providing search UI components and a Node.js API layer for building search experiences on to… | 70 | 4857 | active |
| CLI Printing Press A Go-based CLI generator that studies official API docs, community CLIs, MCP servers, and undocumented web APIs to produce token-efficient,… | 79 | 4842 | active |
| openai/chatgpt-retrieval-plugin A FastAPI-based retrieval backend that provides semantic search over personal or organizational documents using natural language queries, w… | 31 | 21249 | maintenance |
| Ant Media Server Ant Media Server is a scalable open-source media server for ultra-low latency live streaming, built around WebRTC (~0.5s latency) with supp… | 92 | 4742 | stable |
| xxnuo/MTranServer MTranServer is an offline machine translation server with very low resource usage and millisecond response times, requiring no GPU. It supp… | 60 | 4711 | active |
| OPNsense OPNsense is an open-source, FreeBSD-based firewall and routing platform with a web GUI, REST API, and extensible plugin system. It provides… | 75 | 4696 | active |
| VRSEN/agency-swarm Agency Swarm is a Python framework for building multi-agent AI applications on top of the OpenAI Agents SDK. It lets developers define spec… | 91 | 4601 | active |
| Aimeos Aimeos is a full-featured, open-source PHP e-commerce framework that integrates with Laravel, Symfony, and TYPO3 to build online shops, mar… | 76 | 4537 | stable |
| CISO Assistant CISO Assistant is an open-source, self-hostable GRC (Governance, Risk, and Compliance) platform covering risk management, compliance and au… | 91 | 4521 | active |
| typestack/routing-controllers A TypeScript framework for building structured, declarative class-based controllers with decorators on top of Express or Koa. It handles ro… | 68 | 4506 | stable |
| Nominatim Nominatim is an open-source geocoding engine that searches OpenStreetMap data by name and address and performs reverse geocoding from coord… | 84 | 4499 | stable |
| Slurm Slurm is an open-source, highly scalable cluster resource management and job scheduling system for Linux clusters. It allocates compute nod… | 100 | 4460 | stable |
| Cysharp/MagicOnion MagicOnion is a unified RPC and real-time communication framework for .NET and Unity, built on gRPC and MessagePack. It uses C# interfaces … | 93 | 4452 | active |
| poem-web/poem Poem is a full-featured, easy-to-use web framework for Rust built on async/await, with crates for OpenAPI, gRPC, AWS Lambda, and MCP server… | 67 | 4445 | active |
| dreamhead/moco Moco is an easy-setup stub framework for the JVM that spins up mock HTTP, REST, WebSocket, and SSE servers from simple JSON configuration f… | 67 | 4444 | active |
| Salvo Salvo is a powerful yet simple async web framework for Rust, built on Hyper and Tokio. It offers tree-based routing, unified handler/middle… | 99 | 4440 | active |
| Lilishop Lilishop (PickMall) is a full-featured open-source Java B2B2C multi-vendor e-commerce system built on Spring Boot 3 / Spring Cloud with Vue… | 67 | 4331 | active |
| camunda/camunda Camunda 8 is a process orchestration framework whose orchestration cluster includes the Zeebe cloud-native BPMN/DMN engine, plus Tasklist, … | 96 | 4327 | active |
| Fleetbase Fleetbase is an open-source, modular logistics and supply chain operating system (LSOS) providing fleet management, dispatch, route optimiz… | 95 | 4327 | active |
| Mike Mike is an open-source, self-hostable legal AI platform combining a Next.js frontend and Express backend for document review, drafting, and… | 77 | 4308 | active |
| OWASP Dependency-Track OWASP Dependency-Track is an open-source component analysis platform that ingests CycloneDX SBOMs to continuously identify vulnerabilities,… | 99 | 4269 | active |
| arvin341az-glitch/RVG RVG Gateway is a self-hosted multi-protocol proxy management panel built with Python and FastAPI. It provides an admin dashboard for creati… | 56 | 4196 | active |
| darkzOGx/youtube-automation-agent AgentTube is a self-hosted Node.js application that uses AI agents to run a YouTube channel end to end: researching topics, writing scripts… | 80 | 4186 | active |
| pypi/warehouse Warehouse is the open-source web application that powers the Python Package Index (PyPI), the official repository for publishing and distri… | 77 | 4170 | active |
| UsefulSoftwareCo/executor Executor is an open-source integration layer and MCP gateway for AI agents, letting you configure MCP servers, OpenAPI specs, GraphQL APIs,… | 77 | 4162 | active |
| lumina-ai-inc/chunkr Chunkr is an open-source document intelligence API that performs layout analysis, OCR, and semantic chunking to convert PDFs, presentations… | 63 | 4148 | active |
| CSGHub CSGHub is an open-source, self-hostable platform for managing the full lifecycle of LLM assets including models, datasets, spaces, and agen… | 90 | 4115 | active |
| Boundary HashiCorp Boundary is an identity-aware proxy that provides secure, least-privilege access to hosts and critical systems across clouds and … | 10 | 4067 | active |
| chartbrew/chartbrew Chartbrew is an open-source web application for building and sharing live dashboards and charts from APIs, SQL and NoSQL databases. It incl… | 97 | 4062 | active |
| AzuraCast/AzuraCast AzuraCast is a self-hosted, all-in-one web radio management suite that packages a full open-source radio software stack (Icecast, Liquidsoa… | 67 | 4061 | active |
| MikeChongCan/scylla Scylla is an intelligent proxy pool service that automatically crawls, validates, and serves proxy IPs via a JSON API and web UI. It integr… | 30 | 4023 | active |
| badrisnarayanan/antigravity-claude-proxy A Node.js proxy server that exposes Antigravity's Cloud Code Claude and Gemini models behind an Anthropic-compatible Messages API. It trans… | 74 | 4004 | active |
| stylefeng/Guns Guns is a modern Java application development framework built on Spring Boot 3, Vue 3, and JDK 17, providing a full-stack admin scaffold wi… | 52 | 3974 | active |
| 学之思开源考试系统 (XZS Exam System) XueZhiSi (学之思) is an open-source online examination system built with a Java backend and Vue frontend, supporting web and WeChat mini-progr… | 68 | 3913 | active |
| Space and Time SDK Official SDKs (Python, Go, Node.js) for interacting with the Space and Time (SXT Chain) API, a decentralized data blockchain offering ZK-pr… | 39 | 3906 | active |
| songquanpeng/message-pusher A self-hosted personal message push service that delivers notifications to many channels including WeChat, DingTalk, Lark/Feishu, Bark, Tel… | 54 | 3881 | active |
| zheng A distributed agile development system architecture based on Spring+SpringMVC+Mybatis (SSM) providing a full suite of common microservice m… | 32 | 16644 | maintenance |
| fastly/pushpin Pushpin is a reverse proxy server written in Rust and C++ that adds realtime push capabilities (WebSockets, HTTP streaming, long-polling, S… | 85 | 3863 | active |
| ruby-china/homeland Homeland is an open-source forum/community website system built on Ruby on Rails, evolved from the Ruby China community. It provides a full… | 62 | 3861 | active |
| TracecatHQ/tracecat Tracecat is an open-source, AI-native security automation (SOAR) platform that combines low-code workflows, tool-calling agents, case manag… | 90 | 3844 | active |
| ampache/ampache Ampache is a self-hosted, web-based audio/video streaming application and file manager written in PHP. It lets users access and stream thei… | 100 | 3836 | active |
| jorisvink/kore Kore is an easy-to-use, scalable web application framework for writing web APIs and concurrent web processes in C or Python. It is secure b… | 66 | 3830 | stable |
| Mixpost Mixpost is a self-hosted, open-source social media management platform for scheduling, publishing, and analyzing content across networks li… | 73 | 3824 | active |
| InfyOmLabs/laravel-generator InfyOm Laravel Generator is a PHP/Laravel package that generates complete CRUD scaffolding—migrations, models, controllers, repositories, r… | 23 | 3815 | active |
| microsoft/mcp Microsoft's official catalog and monorepo of MCP (Model Context Protocol) server implementations, including Azure MCP and Microsoft Fabric … | 84 | 3790 | active |
| Feedbin Feedbin is a web-based RSS reader built as a Ruby on Rails application, offering a clean reading interface for feeds, newsletters, podcasts… | 77 | 3777 | active |
| PeterH0323/Streamer-Sales Streamer-Sales is a fine-tuned LLM-based AI sales livestreamer application that generates persuasive product commentary from product descri… | 17 | 3775 | active |
| LimeSurvey/LimeSurvey LimeSurvey is a free, open-source online survey platform for creating questionnaires, polls, and forms with conditional logic, branching, m… | 77 | 3770 | stable |
| 1rgs/claude-code-proxy A Python proxy server that translates Anthropic API requests so Anthropic clients like Claude Code can run against OpenAI, Gemini, or Anthr… | 56 | 3753 | active |
| Polyaxon Polyaxon is an open-source AI engineering control plane that teams self-host on their own Kubernetes clusters to schedule, track, and gover… | 75 | 3735 | active |
| rust-lang/crates.io The source code and infrastructure for crates.io, the official package registry for the Rust programming language. It includes a Rust backe… | 77 | 3720 | stable |
| Butterbase Butterbase is an open-source, AI-native backend-as-a-service platform built on Postgres, providing auth, storage, serverless functions, an … | 59 | 3687 | active |
| Tailchat Tailchat is an open-source, self-hostable instant messaging application ('noIM' - not only IM) built with React and Node.js, designed as a … | 86 | 3629 | active |
| TangSengDaoDao IM TangSengDaoDao (唐僧叨叨) is an open-source, operationally mature instant messaging server written in Go, providing business-layer IM features … | 62 | 3606 | active |
| Pelias Geocoder Pelias is a modular, open-source geocoder built on Elasticsearch that converts addresses and place names into coordinates and vice versa. I… | 71 | 3592 | active |
| chaskiq/chaskiq Chaskiq is a full-featured, source-available live chat, support, and marketing platform serving as an alternative to Intercom, Drift, and C… | 60 | 3573 | active |
| Unity Catalog Unity Catalog is an open-source, multimodal data and AI catalog that provides a unified metadata and governance layer for tables, files, fu… | 88 | 3554 | active |
| omkarcloud/google-maps-scraper A desktop application and API for scraping Google Maps business data, extracting 50+ data points including emails, phone numbers, social pr… | 73 | 3538 | active |
| discord-net/Discord.Net Discord.Net is an unofficial asynchronous .NET library for interfacing with the Discord API, with modular packages for REST, WebSocket, com… | 94 | 3517 | active |
| ardatan/graphql-mesh GraphQL Mesh is a GraphQL federation framework and gateway that converts non-GraphQL API services (REST/OpenAPI, gRPC, SOAP, OData, Thrift,… | 95 | 3511 | active |
| swarmpit/swarmpit Swarmpit is a lightweight, self-hosted web UI for managing Docker Swarm clusters, covering stacks, services, secrets, volumes, and networks… | 74 | 3495 | active |
| espocrm/espocrm EspoCRM is a free, open-source CRM web application with a PHP REST API backend and a single-page application frontend. It manages leads, co… | 98 | 3478 | stable |
| pistacheio/pistache Pistache is a modern, elegant HTTP and REST framework written in pure C++17. It provides a multi-threaded HTTP server, an asynchronous HTTP… | 71 | 3469 | active |
| thrasher-corp/gocryptotrader GoCryptoTrader is a cryptocurrency trading bot and framework written in Go, supporting many major exchanges via REST, Websocket, and FIX AP… | 77 | 3459 | active |
| diced/zipline Zipline is a self-hosted file upload and URL shortening server with a feature-rich dashboard, designed as a ShareX-compatible upload target… | 98 | 3451 | active |
| zigzap/zap Zap is a fast, robust web microframework for Zig that wraps the facil.io C networking library to build HTTP servers and REST APIs. It provi… | 10 | 3416 | stable |
| superlinked/sie SIE (Superlinked Inference Engine) is an open-source, self-hosted inference server and production cluster that serves 100+ open models (emb… | 95 | 3414 | active |
| thomiceli/opengist Opengist is a self-hosted, open-source pastebin alternative to GitHub Gist, written in Go, where every snippet is stored as a Git repositor… | 92 | 3367 | active |
| ts-rest/ts-rest ts-rest is a TypeScript library for defining a shared API contract that both client and server consume, providing end-to-end type safety fo… | 60 | 3341 | active |
| Bytez-com/docs Bytez is a serverless model inference platform offering a unified API with a single key to run 175k+ open and closed-source AI models (LLMs… | 53 | 3329 | active |
| serverpod/serverpod Serverpod is an open-source app and web server framework written in Dart, designed specifically for the Flutter ecosystem. It provides code… | 95 | 3306 | active |
| getkin/kin-openapi A Go library implementing the OpenAPI 2.0, 3.0, 3.1, and (partially) 3.2 specifications. It provides parsing, conversion, and validation of… | 99 | 3302 | active |
| php-curl-class/php-curl-class PHP Curl Class is a PHP library that wraps PHP's cURL extension in a simple object-oriented API for sending HTTP requests. It supports GET,… | 100 | 3298 | active |
| rag-web-ui/rag-web-ui RAG Web UI is a self-hosted intelligent dialogue application that builds Q&A systems over your own knowledge base using Retrieval-Augmented… | 64 | 3294 | active |
| Snailclimb/interview-guide An open-source AI-powered interview platform built with Spring Boot 4.1, Java 25, Spring AI 2.0, React, PostgreSQL/pgvector, and Redis. It … | 59 | 3292 | active |
| cool-admin cool-admin is an open-source admin/permission management framework built on Node.js (Midway, TypeORM, TypeScript) for the backend and Vue 3… | 70 | 3276 | active |
| Apache Gravitino Apache Gravitino is a high-performance, geo-distributed, federated metadata lake that provides unified metadata management across diverse d… | 93 | 3259 | active |
| dullage/flatnotes flatnotes is a self-hosted, database-less note-taking web app that stores notes as plain markdown files in a flat folder. It offers a distr… | 89 | 3256 | active |
| google-agentic-commerce/AP2 Agent Payments Protocol (AP2) is an open protocol and Python SDK for secure, interoperable payments initiated by AI agents, addressing auth… | 57 | 3229 | active |
| matter-labs/zksync-era ZKsync Era is a ZK rollup layer 2 protocol for scaling Ethereum using zero-knowledge proofs, implemented primarily in Rust. It is EVM-compa… | 89 | 3224 | active |
| remult/remult Remult is a full-stack TypeScript CRUD framework that uses TypeScript entity classes as a single source of truth to generate a secure REST … | 92 | 3210 | active |
| pglombardo/PasswordPusher Password Pusher is an open-source Ruby web application for securely sharing passwords, text, files, and URLs via encrypted, self-deleting l… | 93 | 3201 | active |
| Apache HugeGraph Apache HugeGraph is a fast, highly scalable graph database supporting tens of billions of vertices and edges with OLTP real-time queries vi… | 70 | 3192 | active |
| CatchTheTornado/text-extract-api A self-hosted FastAPI-based API that converts PDFs, Office documents, and images into Markdown or structured JSON using OCR engines (EasyOC… | 42 | 3183 | active |
| PyroCMS PyroCMS is a modular, open-source content management system and development platform built on the Laravel PHP framework. It provides a resp… | 66 | 3175 | active |
| nesaorg/nesa Nesa is a privacy-preserving AI inference platform that runs models like Llama, Mistral, and Stable Diffusion with end-to-end encryption us… | 22 | 3163 | active |
| helloxz/onenav OneNav is a self-hosted browser bookmark management system built with PHP and SQLite 3 that centralizes bookmarks for access from any devic… | 80 | 3138 | active |
| miroslavpejic85/mirotalksfu MiroTalk SFU is a self-hosted, open-source WebRTC video conferencing platform built on the Mediasoup SFU architecture, positioning itself a… | 77 | 3131 | active |
| Photon Photon is an open source geocoder for OpenStreetMap data built on OpenSearch, supporting forward and reverse geocoding with multilingual, t… | 92 | 3128 | active |
| Apiato Apiato is a PHP framework built on top of Laravel for creating scalable, testable, API-centric applications using the Porto architectural p… | 72 | 3108 | active |
| spiceai/spiceai Spice.ai OSS is a portable Rust runtime (~140 MB binary) that combines federated SQL querying, accelerated data materialization, full-text … | 96 | 3103 | active |
| Scrapyd Scrapyd is a service daemon for deploying and running Scrapy spiders. It lets you upload Scrapy projects and control spiders via a JSON HTT… | 66 | 3098 | stable |
| Apache CloudStack Apache CloudStack is an open-source Infrastructure as a Service (IaaS) platform for deploying and managing large networks of virtual machin… | 97 | 3090 | stable |
| RevenueCat Purchases RevenueCat's open-source client SDKs (purchases-ios, react-native-purchases) that wrap StoreKit and Google Play Billing to simplify impleme… | 93 | 3070 | stable |
| swirlai/swirl-search SWIRL is an open-source federated AI search and RAG platform that queries enterprise apps and data sources live, re-ranks results with a hy… | 92 | 3046 | active |
| alibaba/pont Pont (French for 'bridge') is a data service layer solution that converts API documentation platforms like Swagger into metadata, then gene… | 23 | 3016 | active |