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 |
|---|---|---|---|
| DGS Framework DGS Framework (Domain Graph Service) is a GraphQL server framework for Spring Boot, developed and maintained by Netflix. It provides an ann… | 98 | 3399 | active |
| ahmetoner/whisper-asr-webservice A Dockerized REST webservice that wraps OpenAI Whisper (plus Faster Whisper and WhisperX engines) for automatic speech recognition. It expo… | 95 | 3352 | active |
| Sophomoresty/gemini-web2api A single-file Python server that exposes Google Gemini's web interface as an OpenAI-compatible API, supporting chat completions, streaming,… | 54 | 3346 | active |
| Kovah/LinkAce LinkAce is a self-hosted web application for collecting, organizing, and archiving bookmarks with tags, lists, and advanced search. It auto… | 99 | 3345 | active |
| nicedreamzapp/claude-code-local An MLX-native server for Apple Silicon that exposes an Anthropic-API-compatible endpoint so Claude Code and similar agents can run entirely… | 75 | 3344 | active |
| huangxd-/danmu_api A JavaScript-based danmaku (bullet comment) API server that aggregates danmu from major Chinese and international video platforms (Bilibili… | 63 | 3309 | active |
| FastMCP FastMCP is a TypeScript framework for building MCP (Model Context Protocol) servers with tools, resources, prompts, sessions, and authentic… | 82 | 3269 | active |
| qaiu/netdisk-fast-download A Java (Vert.x 4, JDK 17+) service that converts cloud drive share links (Lanzou, 123pan, Feijipan, Quark, UC, OneDrive, etc.) into direct … | 95 | 3263 | active |
| gcui-art/suno-api An unofficial open-source API wrapper for Suno.ai's AI music generation service, exposing endpoints for generating songs, lyrics, and audio… | 53 | 3260 | active |
| spatie/laravel-analytics A Laravel PHP package that provides a simple, fluent API for retrieving pageviews, visitors, top pages, browsers, and other data from Googl… | 96 | 3244 | active |
| openstack/nova OpenStack Nova is the compute service of OpenStack, acting as a cloud computing fabric controller that provisions and manages virtual machi… | 77 | 3237 | active |
| open-webui/open-terminal A self-hosted remote shell exposed over a REST API, designed to give AI agents and automation tools a dedicated environment to run commands… | 80 | 3220 | active |
| wizarrrr/wizarr Wizarr is a self-hosted web application that automates user invitations and onboarding for media servers like Plex, Jellyfin, Emby, Audiobo… | 97 | 3207 | active |
| dotnet/aspnet-api-versioning A set of .NET libraries that add API versioning semantics to ASP.NET Core services, including Minimal APIs, MVC controllers, gRPC, OData, a… | 86 | 3205 | active |
| dosco/graphjin GraphJin is a Go compiler and runtime that turns GraphQL queries into optimized, policy-checked SQL across many databases, files, and APIs,… | 95 | 3204 | active |
| Worklenz/worklenz Worklenz is an open-source, all-in-one project management platform for teams, agencies, and small businesses, built with TypeScript, React,… | 90 | 3196 | active |
| textbee/textbee TextBee is an open-source SMS gateway that turns any Android phone into an SMS API, letting you send and receive text messages via a REST A… | 94 | 3191 | active |
| Hypothesis h is the backend web application behind hypothes.is, serving the website and the web annotation API that clients use to create, share, and … | 67 | 3189 | active |
| strongloop/loopback LoopBack is a highly-extensible Node.js framework for building dynamic end-to-end REST APIs and microservices with model-driven development… | 23 | 13158 | maintenance |
| graphprotocol/graph-node Graph Node is the core indexing component of The Graph protocol, written in Rust. It extracts and organizes data from blockchains such as E… | 92 | 3151 | active |
| GAM-team/got-your-back Got Your Back (GYB) is a Python command line tool that backs up and restores Gmail messages to your local computer using Gmail's API over H… | 98 | 3134 | active |
| tsedio/tsed Ts.ED is a TypeScript framework for Node.js and Bun built on top of Express.js, Koa.js, or Fastify.js, using decorators and class-based arc… | 93 | 3089 | active |
| next-safe-action next-safe-action is a TypeScript library for defining type-safe, validated Next.js Server Actions with middleware support. It works with an… | 89 | 3071 | active |
| kubernetes-sigs/gateway-api Kubernetes Gateway API is the official successor to Ingress, providing a role-oriented, expressive specification and CRDs for L4/L7 routing… | 95 | 3026 | stable |
| versity/versitygw VersityGW is a high-performance, Apache-2.0 licensed S3 gateway written in Go that exposes an S3-compatible API backed by a local POSIX fil… | 97 | 3021 | active |
| Flow2API Flow2API is a self-hosted Python/FastAPI service that exposes an OpenAI- and Gemini-compatible API on top of Google Flow (VideoFX/ImageFX) … | 60 | 2989 | active |
| laravel/sanctum Laravel Sanctum is a featherweight authentication package for Laravel that issues API tokens and authenticates single-page applications, mo… | 95 | 2986 | stable |
| jsr-io/jsr JSR is the open-source package registry for modern JavaScript and TypeScript, serving as an npm-compatible alternative with native TypeScri… | 71 | 2982 | active |
| nicolasff/webdis Webdis is a lightweight HTTP server written in C that exposes Redis commands over HTTP with JSON output. It supports JSONP, chunked pub/sub… | 66 | 2963 | active |
| Pycord Pycord is a modern, async-ready Python library that wraps the Discord API, enabling developers to build Discord bots and applications. It p… | 89 | 2956 | active |
| ZenStack ZenStack is a TypeScript data layer toolkit providing a schema-first, type-safe ORM with a Prisma-compatible API built on Kysely, plus buil… | 95 | 2954 | active |
| matrix-org/synapse Synapse is the reference Matrix homeserver, an open-source server implementing the Matrix protocol for federated, end-to-end-encrypted comm… | 10 | 12099 | maintenance |
| openctp openctp is a CTPAPI-compatible interface layer and trading platform ecosystem for Chinese futures and securities markets. It wraps broker c… | 71 | 2944 | active |
| michaelfeil/infinity Infinity is a high-throughput, low-latency serving engine that exposes text-embedding, reranking, CLIP, CLAP and ColPali models via an Open… | 59 | 2942 | active |
| Apache Grails Apache Grails is a Groovy-based web application framework for the JVM, built on top of Spring Boot, using convention-over-configuration to … | 99 | 2936 | active |
| palemoky/chinese-poetry-api A high-performance Go-based API service serving nearly 400,000 classical Chinese poems (Tang, Song, Yuan, etc.) with both REST and GraphQL … | 74 | 2930 | active |
| ErlichLiu/DeepClaude DeepClaude is a self-hostable service that chains DeepSeek R1's reasoning output with Claude Sonnet or Gemini models to produce a combined … | 48 | 2928 | active |
| cstate/cstate cState is an open-source static status page generator built with Hugo and Go, deployable free on Netlify or GitHub Pages. It offers a read-… | 67 | 2897 | active |
| aptly-dev/aptly aptly is a Swiss army knife for Debian/Ubuntu repository management, written in Go. It mirrors remote APT repositories, takes snapshots, ma… | 83 | 2889 | active |
| bbernhard/signal-cli-rest-api A Dockerized REST API wrapper around signal-cli that exposes Signal Messenger functionality (registering numbers, sending/receiving message… | 93 | 2871 | active |
| Sponge Sponge is a Go development framework built on a 'Definition is Code' philosophy that generates modular backend code from SQL, Protobuf, and… | 61 | 2870 | active |
| Vexa-ai/vexa Vexa is an open-source (Apache-2.0) meeting transcription API that dispatches bots to join Google Meet, Microsoft Teams, and Zoom calls and… | 86 | 2864 | active |
| Suxiaoqinx/Netease_url A self-hosted Python service that parses Netease Cloud Music (网易云音乐) songs, playlists, and albums to retrieve direct download URLs at multi… | 74 | 2864 | active |
| mempool Mempool is a fully-featured Bitcoin mempool visualizer, block explorer, and API service, running publicly at mempool.space. It can be self-… | 90 | 2849 | active |
| kcp-dev/kcp kcp is a horizontally scalable, Kubernetes-like control plane that provides many isolated 'workspaces', each acting as its own lightweight … | 99 | 2841 | active |
| tigshop/Tigshop Tigshop is a 100% open-source enterprise-grade e-commerce mall system available in both Java (SpringBoot3) and PHP (TP8) editions, with a V… | 64 | 2841 | active |
| acme-dns acme-dns is a simplified DNS server with a RESTful HTTP API designed to automate ACME DNS challenges for Let's Encrypt and other ACME certi… | 77 | 2838 | active |
| openstreetmap/openstreetmap-website The Ruby on Rails application that powers the OpenStreetMap website and its editing API. It provides user accounts, diary entries, messagin… | 76 | 2835 | stable |
| Piston Piston is a high performance general purpose code execution engine that safely runs untrusted and potentially malicious code in isolated en… | 62 | 2827 | active |
| PowerDNS-Admin/PowerDNS-Admin PowerDNS-Admin is a self-hosted web interface for managing the PowerDNS Authoritative Server. It provides DNS zone and record management wi… | 96 | 2819 | active |
| useautumn/autumn Autumn is an open-source billing and pricing platform that acts as a control layer between Stripe and your application, managing subscripti… | 66 | 2818 | active |
| teaql/teaql-agent-kit TeaQL Agent Kit is a model-mediated harness for coding agents that inserts an inspectable, executable domain model (KSML) between requireme… | 83 | 2813 | active |
| phpipam/phpipam phpIPAM is an open-source web-based IP address management (IPAM) application written in PHP with a MySQL/MariaDB backend. It provides IPv4/… | 96 | 2812 | active |
| OpenStack Swift OpenStack Swift is a distributed object storage system that scales from a single machine to thousands of servers, optimized for multi-tenan… | 75 | 2802 | stable |
| FOSRestBundle FOSRestBundle is a Symfony bundle providing tools for rapidly building RESTful APIs, including a format-agnostic view layer, Accept header … | 57 | 2793 | stable |
| go-jira/jira go-jira is a simple command line client for Atlassian's Jira issue tracker, written in Go. It supports context-aware configuration, shell t… | 42 | 2749 | active |
| medplum/medplum Medplum is an open-source developer platform for building compliant healthcare applications, providing a FHIR-native clinical data reposito… | 95 | 2746 | active |
| OpenTripPlanner OpenTripPlanner is an open-source, server-side Java application for multi-modal trip planning, computing itineraries that combine public tr… | 88 | 2742 | stable |
| sunscrapers/djoser Djoser is a Python library providing REST endpoints for Django's authentication system via Django REST Framework. It offers views for regis… | 82 | 2678 | active |
| Exchange API A free currency exchange rates API serving 200+ currencies, including cryptocurrencies and metals, with daily updates and no rate limits. D… | 70 | 2678 | active |
| Sonatype Nexus Repository Sonatype Nexus Repository is a binary repository manager that serves as the single source of truth for internal and third-party build artif… | 93 | 2656 | stable |
| vercel/micro Micro is a minimal asynchronous HTTP framework for building microservices in Node.js using async/await. It provides a tiny, dependency-ligh… | 57 | 10629 | maintenance |
| WeChatPadPro/WeChatPadPro WeChatPadPro is a self-hostable WeChat management and automation service built on the unofficial WeChat Pad protocol, written in Go. It exp… | 63 | 2630 | active |
| AWS SDK for Java The official AWS SDK for Java, version 2, enabling Java applications to interact with Amazon Web Services such as S3, EC2, and DynamoDB. It… | 94 | 2626 | stable |
| hayes/pothos Pothos is a plugin-based GraphQL schema builder for TypeScript that uses a strongly typed, code-first approach with no code generation requ… | 91 | 2624 | active |
| diwenne/openreply OpenReply is a self-hosted, open-source alternative to ManyChat for Instagram comment-to-DM automation. It watches post comments via Meta's… | 58 | 2609 | active |
| openflagr/flagr Flagr is an open-source Go microservice for feature flagging, A/B testing, and dynamic configuration, built around a single evaluation API … | 95 | 2608 | active |
| TrueNAS The middleware source code for TrueNAS, an open enterprise NAS storage platform built on OpenZFS that provides file, block, and object stor… | 77 | 2605 | active |
| ymyuuu/IPDB IPDB is a hosted API service that provides curated lists of Cloudflare official and reverse-proxy (preferred) IP addresses, updated in real… | 72 | 2604 | active |
| MoChat MoChat is an open-source SCRM (Social Customer Relationship Management) application development framework and engine built on top of WeCom … | 38 | 2593 | active |
| keikaavousi/fake-store-api FakeStoreAPI is a free hosted REST API that serves pseudo-real e-commerce JSON data including products, carts, users, and JWT login tokens.… | 32 | 2593 | stable |
| Open Wearables Open Wearables is a self-hosted, MIT-licensed platform that unifies wearable health data from providers like Garmin, Whoop, Oura, Fitbit, S… | 82 | 2585 | active |
| Laravel Messenger A Laravel package that adds a full user-to-user messaging system to Laravel applications, supporting multiple conversations, group threads,… | 61 | 2576 | active |
| nammayatri/nammayatri Namma Yatri is an open, direct-to-driver mobility platform (ride-hailing) built in Haskell, with zero commission for drivers and open data/… | 65 | 2571 | active |
| hudy9x/namviek Namviek is an open-source, self-hosted project management application for small development teams, built with Next.js, Node.js, MongoDB, an… | 64 | 2552 | active |
| sparrowapp-dev/sparrow-app Sparrow is an open-source, AI-powered desktop and web application for API testing, debugging, documentation, and team collaboration, positi… | 74 | 2550 | active |
| Ash Framework Ash is a declarative, extensible application framework for Elixir that lets you model your domain as typed resources and derive APIs, persi… | 95 | 2538 | active |
| symfony/serializer The Symfony Serializer component transforms data structures, including object graphs, into array structures or formats like XML and JSON, a… | 93 | 2535 | stable |
| apache/fineract Apache Fineract is an open-source, cloud-ready core banking platform written in Java, providing client management, loan and savings portfol… | 90 | 2533 | stable |
| Alerta Alerta is a monitoring system that consolidates and de-duplicates alerts from multiple monitoring sources into a single view, combining a J… | 69 | 2530 | active |
| CJackHwang/AIstudioProxyAPI A self-hosted proxy server that exposes Google AI Studio's web chat interface as an OpenAI-compatible API using FastAPI and Camoufox/Playwr… | 64 | 2513 | active |
| Apipie Apipie-rails is a DSL and Rails engine for documenting RESTful APIs in Ruby on Rails applications. It lets developers describe API endpoint… | 79 | 2506 | stable |
| boston-dynamics/spot-sdk The Boston Dynamics Spot SDK for developing applications and payloads that control the Spot quadruped robot. It includes a Python client li… | 75 | 2502 | active |
| disease.sh (NovelCOVID API) disease.sh is a free, open-source REST API serving JSON statistics on COVID-19, Influenza, and other disease outbreaks, aggregating data fr… | 59 | 2501 | active |
| php-fig/link php-fig/link provides the PSR-13 standard interfaces for representing hyperlinks and link providers in PHP. It contains only interface defi… | 32 | 2490 | stable |
| confluentinc/schema-registry Confluent Schema Registry is a Java-based serving layer that stores and retrieves Avro, JSON Schema, and Protobuf schemas via a RESTful API… | 77 | 2470 | active |
| xusenlinzy/api-for-open-llm A Python server that exposes open-source large language models (LLaMA, ChatGLM, Qwen, Baichuan, Falcon, etc.) behind an OpenAI-compatible A… | 21 | 2459 | active |
| metasfresh/metasfresh metasfresh is a free and open-source ERP system for small and mid-sized businesses, covering accounting, CRM, manufacturing, and supply cha… | 68 | 2455 | active |
| Django-CRM/Django-CRM BottleCRM (Django-CRM) is a free, MIT-licensed, self-hosted, multi-tenant CRM built on Django REST Framework with a SvelteKit web app and a… | 100 | 2453 | active |
| Shuffle Shuffle is an open source security automation, orchestration and response (SOAR) platform built for security professionals, with a visual w… | 97 | 2444 | active |
| lihengming/spring-boot-api-project-seed A Spring Boot and MyBatis based seed/boilerplate project for quickly building small-to-medium RESTful API projects in Java. It provides bes… | 23 | 9680 | maintenance |
| Saloon Saloon is a PHP library for rapidly building third-party API integrations and SDKs using Connector and Request classes. It is framework-agn… | 96 | 2442 | active |
| RubyGems.org RubyGems.org is the Ruby community's central gem hosting service, a Rails application that lets developers publish, search, and install Rub… | 77 | 2439 | active |
| open-webui/pipelines Pipelines is a UI-agnostic, OpenAI API-compatible plugin framework for adding custom Python logic and workflows to any client that speaks t… | 38 | 2437 | active |
| Chatify Chatify is a Laravel package that adds real-time chat to any Laravel application, including direct messages, group conversations, voice not… | 65 | 2430 | active |
| 12306 Ticket Search A Model Context Protocol (MCP) server that exposes 12306 (China Railway) ticket search capabilities to large language models. It provides A… | 78 | 2393 | active |
| dingo/api Dingo API is a PHP package that provides tools for building RESTful APIs on top of the Laravel and Lumen frameworks. It offers content nego… | 23 | 9378 | maintenance |
| nelmio/NelmioApiDocBundle A Symfony bundle that generates OpenAPI/Swagger documentation for REST APIs from PHP 8 attributes and code analysis. It exposes interactive… | 92 | 2368 | active |
| apache/kyuubi Apache Kyuubi is a distributed, multi-tenant Thrift JDBC/ODBC gateway that provides serverless SQL access to data warehouses and lakehouses… | 90 | 2367 | stable |
| Smithy Smithy is a protocol-agnostic interface definition language (IDL) and a set of tools for modeling services as collections of resources, ope… | 97 | 2365 | stable |