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 |
|---|---|---|---|
| tableau/TabPy TabPy is the Tableau Python Server, an Analytics Extensions implementation that lets Tableau users execute Python scripts and saved functio… | 92 | 1654 | active |
| itteco/iframely Iframely is a self-hosted oEmbed proxy and URL metadata service that takes any URL and returns rich media embed codes and page metadata. It… | 88 | 1651 | active |
| JackySoft/marsview Marsview is an open-source low-code visual platform for building admin and back-office web applications. Developers create projects, pages,… | 32 | 1644 | active |
| cloudfoundry/uaa Cloud Foundry's User Account and Authentication (UAA) server, a multi-tenant identity management service that acts as an OAuth2 provider an… | 98 | 1637 | active |
| kenkoooo/AtCoderProblems AtCoder Problems is a web application that helps AtCoder users solve competitive programming problems and track their progress. It includes… | 61 | 1623 | active |
| mlandauer/cuttlefish Cuttlefish is a self-hosted transactional email server built on Postfix with a Ruby on Rails web interface. It lets applications send email… | 32 | 1623 | active |
| xinliangnote/go-gin-api A modular API framework built on the Gin web framework for Go, bundling common features like CORS, JWT auth, zap logging, Prometheus metric… | 23 | 5974 | maintenance |
| iotexproject/iotex-core The official Go implementation of the IoTeX blockchain protocol, a modular DePIN-focused Layer-1 EVM-compatible network. It provides the fu… | 99 | 1616 | active |
| Rivet A server (with a TypeScript SDK) that runs inside a sandbox and exposes a universal HTTP/SSE API for controlling coding agents like Claude … | 83 | 1604 | active |
| PhalApi PhalApi (π framework) is a lightweight open-source PHP framework focused on API/interface service development, supporting HTTP, SOAP, and R… | 68 | 1601 | active |
| omnigres/omnigres Omnigres is a collection of PostgreSQL extensions that turn a Postgres instance into a full application platform, hosting application logic… | 49 | 1594 | active |
| metosin/reitit Reitit is a fast, data-driven routing library for Clojure and ClojureScript. It provides bi-directional routing, first-class route data, pl… | 93 | 1587 | stable |
| remoteinterview/zero Zero is a zero-configuration web server and framework for Node.js that lets you build web applications by simply dropping files into a fold… | 32 | 5811 | maintenance |
| mukul975/cve-mcp-server A Python-based Model Context Protocol (MCP) server that gives Claude ~28 security intelligence tools across 20+ APIs, including CVE lookup,… | 70 | 1582 | active |
| steedos/steedos-platform Steedos Platform is an open-source, metadata-driven low-code platform for building enterprise applications (CRMs, ERPs, approval workflows)… | 85 | 1581 | active |
| aws/serverless-java-container A Java library that lets applications built with frameworks like Spring, Spring Boot, Jersey, Struts, and Spark run inside AWS Lambda. It t… | 96 | 1566 | active |
| insistence/RuoYi-Vue3-FastAPI RuoYi-Vue3-FastAPI is a full-stack, open-source admin/management boilerplate framework that pairs a FastAPI backend (SQLAlchemy, MySQL/Post… | 85 | 1562 | active |
| pyrra-dev/pyrra Pyrra is an open-source tool for defining, managing, and visualizing Service Level Objectives (SLOs) with Prometheus. It generates Promethe… | 94 | 1561 | active |
| skernelx/tavily-key-generator A Python toolkit that automates signup flows for Tavily, Firecrawl, and Exa using real browser automation (Playwright/Camoufox), Turnstile … | 44 | 1560 | active |
| guacsec/guac GUAC (Graph for Understanding Artifact Composition) is an OpenSSF incubating project that ingests software security metadata such as SBOMs,… | 88 | 1557 | active |
| Roncoo Education System Roncoo Education (领课教育系统) is an open-source online education platform built with a Spring Cloud Alibaba microservices backend and Vue 3/Nux… | 63 | 1556 | active |
| NuGet NuGet Gallery is the open-source ASP.NET web application that powers nuget.org, the central package repository for the .NET ecosystem. It i… | 66 | 1555 | active |
| hashicorp/terraform-mcp-server An official Model Context Protocol (MCP) server from HashiCorp that integrates with the Terraform Registry and HCP Terraform APIs. It enabl… | 85 | 1550 | active |
| lampo1024/DncZeus DncZeus is a general-purpose admin management framework built on .NET 7 (ASP.NET Core Web API + EF Core) and Vue.js (iview-admin) with full… | 35 | 1550 | active |
| ssoready/ssoready SSOReady is an open-source service and set of SDKs for adding enterprise SAML single sign-on and SCIM directory sync to any product. It exp… | 39 | 1536 | active |
| tirrenotechnologies/tirreno tirreno is an open-source, self-hosted security framework written in PHP/PostgreSQL that provides event tracking, threat detection, and ris… | 80 | 1532 | active |
| Ch1rpy2613/Mirrai Mirrai is a self-hosted web application that builds AI 'digital twins' of people from uploaded chat logs, photos, and videos, then lets use… | 55 | 1529 | active |
| Socioboard Socioboard is an open-source social media management and content marketing platform that lets users manage multiple social accounts, schedu… | 66 | 1513 | active |
| edmund-io/edmunds-claude-code A Claude Code plugin providing 14 slash commands and 11 specialized AI agents for web development workflows. It scaffolds APIs, React compo… | 35 | 1509 | active |
| Open-Source-Legal/OpenContracts OpenContracts is a self-hosted, MIT-licensed document intelligence platform that turns document repositories into a programmable citation g… | 89 | 1508 | active |
| DemonDamon/FinnewsHunter FinnewsHunter is a multi-agent financial intelligence platform built on the AgenticX framework that monitors Chinese financial news sources… | 76 | 1500 | active |
| dujiao-next/dujiao-next Dujiao-Next is an open-source digital goods e-commerce platform written in Go (Gin + GORM) with a Vue 3 customer storefront and admin panel… | 82 | 1496 | active |
| polonel/trudesk Trudesk is an open-source help desk and ticketing application built with NodeJS and MongoDB. It provides real-time tickets, agent-customer … | 56 | 1496 | active |
| WebVella/WebVella-ERP WebVella ERP is a free and open-source, highly customizable and pluggable ERP and CRM web application built on ASP.NET Core 9, Razor Pages,… | 76 | 1493 | active |
| securitybunker/databunker Databunker is a self-hosted, Go-based secure vault for tokenizing and storing personal records such as PII, PHI, KYC, and PCI data. It expo… | 71 | 1487 | active |
| tjmlabs/ColiVara ColiVara is a hosted (and self-hostable) retrieval API that stores, searches, and retrieves documents using visual embeddings generated by … | 62 | 1485 | active |
| karust/openserp OpenSERP is a self-hosted, MIT-licensed SERP API and CLI written in Go that returns structured search results from Google, Bing, Yandex, Ba… | 93 | 1484 | active |
| lakekeeper/lakekeeper Lakekeeper is an Apache Iceberg REST Catalog implementation written in Rust that provides centralized access control, credential vending, a… | 93 | 1483 | active |
| DroppedNeedle/DroppedNeedle DroppedNeedle is a self-hosted music request and discovery application with a built-in library and download engine that replaces Lidarr. It… | 83 | 1483 | active |
| Bee (Swarm client) Bee is a Go client for the Swarm network, a decentralized peer-to-peer storage and communication network built on the Gnosis blockchain. Ru… | 93 | 1482 | active |
| apache/jena Apache Jena is a free and open-source Java framework for building Semantic Web and Linked Data applications. It provides an RDF API, a SPAR… | 77 | 1476 | stable |
| AlphaYu/adnc ADNC is an open-source .NET 8 framework for building modular business systems that can start as modular monoliths and evolve into distribut… | 67 | 1476 | active |
| shenminglinyi/PlotPilot PlotPilot (墨枢) is an open-source narrative engine kernel for long-form AI-assisted fiction and script writing, built in Python with FastAPI… | 72 | 1472 | active |
| jsforce/jsforce JSforce is an isomorphic JavaScript/TypeScript library that wraps Salesforce APIs (REST, Bulk, Metadata, SOAP, Streaming, Tooling, and more… | 100 | 1469 | active |
| inkeep/agents Inkeep Agents is an open-source platform for building AI chat assistants and multi-agent workflows using either a no-code drag-and-drop Vis… | 72 | 1458 | active |
| clusternet/clusternet Clusternet is a CNCF Sandbox open-source add-on for managing large fleets of Kubernetes clusters across public, private, hybrid, and edge e… | 92 | 1455 | active |
| 6551Team/opentwitter-mcp A Python MCP server that exposes Twitter/X data (user profiles, tweet search, follower events, deleted tweets, KOL tracking) to AI assistan… | 58 | 1448 | active |
| tailcallhq/tailcall Tailcall is a high-performance GraphQL runtime written in Rust that lets you build GraphQL backends declaratively by annotating a GraphQL s… | 77 | 1443 | active |
| elabftw/elabftw eLabFTW is a free, open source electronic lab notebook (ELN) and laboratory inventory management system for research teams, accessed via th… | 95 | 1442 | stable |
| kaaproject/kaa Kaa is an open-source, cloud-native IoT platform built on microservices for device management, telemetry data collection, analytics, visual… | 23 | 1440 | active |
| kirilkirkov/Ecommerce-CodeIgniter-Bootstrap A self-hosted, responsive multi-vendor and multilingual online store platform built on CodeIgniter 3 and Bootstrap. It provides a complete … | 72 | 1436 | active |
| poseidon/matchbox Matchbox is a Go service that matches bare-metal machines to provisioning profiles via PXE/iPXE network boot, serving kernel, initrd, iPXE,… | 66 | 1428 | active |
| tess1o/geopulse GeoPulse is a self-hosted, privacy-first web application that turns raw GPS points from trackers like OwnTracks, Overland, Traccar, and GPS… | 79 | 1421 | active |
| lenML/Speech-AI-Forge Speech-AI-Forge is a Python project built around multiple TTS generation models (ChatTTS, CosyVoice, Fish-Speech, Index-TTS, F5-TTS, FireRe… | 56 | 1421 | active |
| rage-rb/rage Rage is an API-first Ruby web framework that combines Rails-compatible ergonomics with fiber-based concurrency, running web requests, WebSo… | 88 | 1414 | active |
| MODX MODX Revolution is an open-source PHP content management system and application framework for building websites and web applications. It gi… | 74 | 1411 | active |
| gyoridavid/short-video-maker An open-source server that generates short-form videos (TikTok, Instagram Reels, YouTube Shorts) from text prompts, combining Kokoro TTS, a… | 29 | 1410 | active |
| ideal-postcodes/postcodes.io Postcodes.io is a free, open-source UK postcode lookup and geocoding API serving ONS Postcode Directory, Ordnance Survey Open Names, and Sc… | 98 | 1406 | active |
| Booking Sample Application A practical .NET 10 booking microservices reference application demonstrating Vertical Slice Architecture, CQRS, DDD, and Event Sourcing wi… | 87 | 1406 | active |
| riba2534/feishu-cli feishu-cli is a comprehensive command-line tool for the Feishu (Lark) open platform, wrapping docs, wiki, spreadsheets, messaging, calendar… | 81 | 1405 | active |
| ManageIQ ManageIQ is an open-source hybrid IT management platform for discovering, monitoring, controlling, and automating virtual machines, contain… | 77 | 1403 | active |
| ovh/utask µTask is a lightweight automation engine that models business processes as declarative YAML templates and asynchronously executes graphs of… | 82 | 1401 | active |
| marmelab/atomic-crm Atomic CRM is a free, open-source, full-featured customer relationship management application built with React, shadcn/ui, and Supabase. It… | 83 | 1394 | active |
| foxhui/WebAI2API WebAI2API is a self-hosted Node.js service that exposes web-based AI services (LMArena, Gemini, ChatGPT, DeepSeek, etc.) as OpenAI-compatib… | 54 | 1388 | active |
| IoTSharp/IoTSharp IoTSharp is an open-source industrial IoT platform built on .NET for device access, telemetry collection, rule-chain processing, visualizat… | 82 | 1387 | active |
| troyzhxu/bean-searcher Bean Searcher is a read-only ORM framework for Java focused on declarative complex list queries, where entities define search boundaries an… | 90 | 1386 | active |
| Horse Web Framework Horse is an Express-inspired, minimalist web framework for Delphi and Lazarus (Free Pascal) for building fast REST APIs and web services. I… | 99 | 1380 | active |
| wimoor-erp/wimoor Wimoor ERP is a 100% open-source, MIT-licensed Amazon seller ERP system built with Java microservices (Spring Boot, Spring Cloud, Nacos, Se… | 75 | 1380 | active |
| Minerchu/dongguaTV A self-hosted Node.js video aggregation platform that searches 30+ movie/TV resource site APIs, aggregates results, and scrapes metadata fr… | 35 | 1379 | active |
| rest-sh/restish Restish is a Go-based command-line client for interacting with REST-ish HTTP APIs. It makes generic HTTP requests, auto-discovers OpenAPI d… | 93 | 1376 | active |
| LangChain4j AIDeepin LangChain4j-AIDeepin is an open-source, self-hostable AI application platform built on Spring Boot, LangChain4j, and LangGraph4j with Vue 3… | 91 | 1372 | active |
| wrtnlabs/autobe AutoBE is an AI-powered backend builder that turns natural language requirements into complete NestJS/TypeScript backend applications with … | 65 | 1361 | active |
| fastclaw-ai/fastclaw FastClaw is a lightweight AI agent runtime written in Go, distributed as a single binary. It acts as an agent factory that creates, manages… | 77 | 1359 | active |
| arterli/CmsWing CmsWing is a CMS and e-commerce website builder built on the Egg.js framework with Sequelize ORM and integrated GraphQL API generation. It … | 23 | 1355 | active |
| JoySafety/JoySafety JoySafety is an open-source large language model safety framework from JD.com, written in Java, providing prompt injection detection, conte… | 42 | 1354 | active |
| emonney/QuickApp QuickApp is an opinionated full-stack project template combining Angular 21 and ASP.NET Core 10 with pre-built authentication, authorizatio… | 77 | 1352 | active |
| sulu/sulu Sulu is an open-source PHP content management system built on the Symfony framework, and this repository contains its core framework that a… | 96 | 1351 | active |
| Parse Platform The official JavaScript SDK for the Parse Platform, providing client access to Parse Server backends from JavaScript apps. It supports data… | 99 | 1342 | active |
| ChaokunHong/MetaScreener MetaScreener is an open-source AI tool that automates title/abstract and full-text PDF screening for systematic reviews using an ensemble o… | 65 | 1336 | active |
| zaghaghi/openapi-tui A terminal UI application for listing, browsing, and executing APIs defined with OpenAPI v3.0 and v3.1 specifications. Built in Rust with r… | 61 | 1331 | active |
| golang/pkgsite The source code of pkg.go.dev, the official website for discovering and evaluating Go packages and modules, plus a local documentation serv… | 77 | 1327 | stable |
| AntSK AntSK is an enterprise AI knowledge base and agent platform built on .NET 9, Blazor, Semantic Kernel, and Kernel Memory. It supports import… | 72 | 1327 | active |
| RecipeUI/RecipeUI RecipeUI is an open-source desktop API client that lets developers discover, test, and share APIs using TypeScript-powered requests and run… | 10 | 1327 | active |
| lsky-org/lsky-pro Lsky Pro is a self-hosted PHP/Laravel image hosting and photo album application for storing, managing, and sharing images on the cloud. It … | 49 | 4699 | maintenance |
| jsreport jsreport is an open-source JavaScript-based reporting platform and server for designing and rendering reports using templating engines like… | 95 | 1321 | stable |
| XWiki XWiki Platform is a generic open-source enterprise wiki platform written in Java that offers runtime services for collaborative application… | 94 | 1314 | stable |
| DongTai IAST DongTai IAST is an open-source Interactive Application Security Testing platform that detects vulnerabilities in Java (and some Python) app… | 29 | 1314 | active |
| higress-group/himarket HiMarket is an enterprise-grade AI open platform built on the Higress AI Gateway that lets organizations run a private AI capability market… | 84 | 1309 | active |
| Puppyone Puppyone is a Git-native context drive for AI agents: a persistent, version-controlled file workspace with per-agent scoped permissions, ex… | 76 | 1301 | active |
| IoT DC3 IoT DC3 is an open-source, cloud-native industrial IoT platform built on Java and Spring Cloud that provides multi-protocol device connecti… | 96 | 1287 | active |
| ValvePython/steam A Python library for interacting with various parts of the Steam platform, including the Steam network client, Web API, web authentication,… | 68 | 1287 | active |
| kuafuai/aipexbase AipexBase is an AI-native Backend-as-a-Service (BaaS) platform built with Spring Boot that provides data storage, user authentication, and … | 61 | 1283 | active |
| colbyfayock/next-wordpress-starter A Next.js starter template that turns WordPress into a headless CMS, generating a static, SEO-friendly site via WPGraphQL. It ships with bl… | 76 | 1281 | active |
| kiwitcms/Kiwi Kiwi TCMS is an open source test case management system for organizing manual and automated testing, featuring test plans, test runs, bug t… | 95 | 1278 | active |
| zerodha/dungbeetle DungBeetle is a lightweight, single-binary distributed job server for queuing and asynchronously executing heavy SQL read jobs (such as rep… | 66 | 1277 | active |
| Xerxes-2/clewdr ClewdR is a high-performance Rust proxy for Claude.ai and Claude Code that exposes native Claude and OpenAI-compatible API endpoints from a… | 78 | 1270 | active |
| Wandbox Wandbox is an online compiler service (wandbox.org) that lets users write, compile, and run code snippets in dozens of languages — C++, Rus… | 76 | 1269 | stable |
| linagora/cozy-stack Cozy-stack is the core backend server of the Cozy/Twake Workplace personal cloud platform, written in Go. It serves user-installed web apps… | 100 | 1268 | active |
| Open Liberty Open Liberty is a lightweight, composable Java application server runtime for building cloud-native microservices with MicroProfile and Jak… | 96 | 1267 | active |
| jonexaiorg/jonex Jonex is an end-to-end, self-hosted AI knowledge platform combining a multimodal parsing engine (documents, video, images) with an ontology… | 56 | 1267 | active |