Ross ROSS = Recommend OSS · open-source software intelligence for agents

Open-source apis software

2782 open-source libraries, tools and applications tagged apis, ranked by how closely apis 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.

2782 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
lloyd/JSONSelect
JSONSelect is a CSS-like selector language for querying JSON documents, with a JavaScript reference implementation. It lets developers sele…
321588abandoned
os/slacker
Slacker is a full-featured Python client library for the Slack API, supporting messaging, file uploads, user listing, and other Slack metho…
101588abandoned
microsoftgraph/powershell-intune-samples
A collection of PowerShell sample scripts demonstrating how to manage Microsoft Intune resources via HTTPS RESTful calls to the Microsoft G…
511577abandoned
samsarahq/thunder
Thunder is a Go framework for rapidly building GraphQL servers, featuring reflection-based schema generation from Go types, live queries wi…
101570abandoned
dghubble/go-twitter
A Go client library for the Twitter REST and Streaming API v1.1, providing typed services for timelines, tweets, search, users, followers, …
101561abandoned
rainx/pytdx
pytdx is a Python library implementing the TongDaXin (TDX) network protocol to fetch Chinese stock market data such as quotes, K-line bars,…
101551abandoned
konfig-dev/konfig
Konfig is an open-source SDK and API documentation generator that turns OpenAPI specifications into high-quality client libraries in multip…
321527abandoned
Lokka
Lokka is a simple JavaScript client for GraphQL that works in the browser, Node.js, and React Native. It provides a lightweight API for que…
321523abandoned
apollographql/subscriptions-transport-ws
A WebSocket client and server library for GraphQL subscriptions, originally the first TypeScript implementation of a WebSocket-based GraphQ…
101504abandoned
withoneai/pica
Pica Community Edition is the open-source version of Pica, an agentic tooling platform that connects AI agents to hundreds of third-party a…
681485abandoned
fossasia/susi_api_wrapper
A Python wrapper library for the SUSI AI REST API, making it easy for developers to integrate SUSI AI intelligence into their applications.…
101480abandoned
fossasia/open-event-v1
The legacy Open Event server that powered eventyay.com, enabling organizers to manage events, speakers, tracks, venues, and drag-and-drop s…
101470abandoned
yahoo-finance/yahoo-finance
A Python module for fetching stock quotes and historical price data from Yahoo! Finance's public API. It provides a simple Share class for …
231452abandoned
cosenary/Instagram-PHP-API
A PHP wrapper library for accessing Instagram's legacy API, providing OAuth2 authentication and methods for fetching user data, likes, and …
321451abandoned
chrishubert/whatsapp-api
A REST API wrapper around the whatsapp-web.js library that lets you send messages, manage sessions, and receive callbacks by interacting wi…
101442abandoned
Shopify/shopify_python_api
ShopifyAPI is a Python client library for programmatically accessing the Shopify Admin API, built on pyactiveresource to provide a Ruby-gem…
731436abandoned
domchristie/humps
Humps is a small JavaScript utility library that converts strings and object keys between snake_case (underscore) and camelCase, recursivel…
101413abandoned
visionmedia/express-resource
Express Resource is a Node.js library that adds resourceful, REST-style routing to the Express web framework via an app.resource() method. …
321410abandoned
specta-rs/rspc
rspc is a Rust framework for building typesafe web backends, inspired by tRPC, that lets you define routers with queries, mutations, and su…
501390abandoned
tejado/pgoapi
pgoapi is an unofficial Python client library for the Pokemon Go game API, using protobuf-based request/response parsing to expose most ava…
231390abandoned
ChatGPT API Bypass
A Go service that bypasses Cloudflare protection to access ChatGPT's unofficial web endpoints, exposing them as an HTTP API. It also offers…
101380abandoned
php-http/message-factory
php-http/message-factory provides factory interfaces for creating PSR-7 HTTP message objects as part of the HTTPlug ecosystem. It is now ob…
101378abandoned
Jessecar96/SteamBot
SteamBot is a C# bot framework for interacting with Steam Chat and Steam Trade, allowing users to configure and customize automated trading…
101373abandoned
stepancheg/grpc-rust
A pure-Rust implementation of the gRPC protocol built on HTTP/2 and Protocol Buffers, with code generation via protoc plugins. The project …
101367abandoned
airesvsg/acf-to-rest-api
A WordPress plugin that exposes Advanced Custom Fields (ACF) data through dedicated endpoints in the WordPress REST API. It adds /wp-json/a…
321360abandoned
dinubs/jam-api
Jam API is a hosted service (self-hostable Node.js app) that turns any website into a JSON API by extracting data using CSS query selectors…
321359abandoned
Vespa314/bilibili-api
A collection of Bilibili (B站) API documentation and Python tooling for scraping video, user, comment, danmaku, and bangumi data. It include…
321357abandoned
doraemonext/wechat-python-sdk
A Python SDK for the WeChat Official Account (公众平台) platform, wrapping official APIs for subscription and service accounts. The project is …
231348abandoned
salman0ansari/whatsapp-api-nodejs
A self-hosted RESTful WhatsApp API service built on the Baileys library with Express, supporting multiple devices. It lets developers send …
101347abandoned
acheong08/ChatGPTProxy
A Go-based proxy server that bypasses Cloudflare protection on ChatGPT using TLS spoofing, exposing ChatGPT through an API-like interface. …
101329abandoned
alexgolec/tda-api
An unofficial Python wrapper around the TD Ameritrade HTTP and streaming APIs, offering authentication, quotes, historical pricing, options…
231328abandoned
googlearchive/PyDrive
PyDrive is a Python wrapper library around google-api-python-client that simplifies common Google Drive API tasks like OAuth2 authenticatio…
101313abandoned
simplewebrtc/signalmaster
Signalmaster is a simple Node.js socket.io server that handles WebRTC signaling for peer-to-peer connections, built as the default connecti…
321300abandoned
ToothlessGear/node-gcm
A Node.js library providing an easy interface for sending push notifications to Android and iOS devices via Google Cloud Messaging / Fireba…
571298abandoned
szdc/tiktok-api
An unofficial, reverse-engineered TypeScript API wrapper for TikTok (formerly Musical.ly), published as the npm package tiktok-api. It lets…
101292abandoned
go-zoo/bone
Bone is a lightweight, high-performance HTTP multiplexer (router) for Go that implements the standard net/http Handler interface. It suppor…
231283abandoned
ly0/baidupcsapi
A Python 3 library providing an unofficial API client for Baidu Netdisk (Baidu Cloud storage), supporting quota checks, file listing, uploa…
101241abandoned
tortilla/tortilla
A Python library that makes wrapping web APIs easy by chaining attribute and method calls into URL paths, then executing requests and parsi…
321239abandoned
aiko-chan-ai/discord.js-selfbot-v13
An unofficial fork of discord.js v13 that lets Node.js scripts control a Discord user account (selfbot) via the Discord API v9, including m…
101233abandoned
Polymarket/py-clob-client
A Python client library for the Polymarket Central Limit Order Book (CLOB), enabling programmatic trading on prediction markets via the Pol…
101231abandoned
andreroggeri/pynubank
pynubank is a Python library for accessing Nubank account statements and credit card data through unofficial APIs. It supported authenticat…
561197abandoned
langchain-ai/langchain-extract
A FastAPI-based web server that uses LLMs to extract structured information from text and files, with extractors defined via JSON Schema an…
101192abandoned
strongloop/microgateway
IBM API Connect Microgateway is an extensible Node.js-based API gateway framework for securing and controlling access to microservices and …
321186abandoned
Azure/azure-sdk-for-node
The deprecated Azure SDK for Node.js, providing npm packages to consume and manage Microsoft Azure services. It was archived in May 2023 an…
101172abandoned
saasify-sh/saasify
Saasify was a platform and developer CLI that auto-generated monetizable SaaS products from REST APIs or serverless functions, handling mar…
101171abandoned
platanus/angular-restmod
Angular Restmod is a Rails-inspired REST API ORM for AngularJS that generates model types with Active Record-style methods for interacting …
231170abandoned
tv4
tv4 is a tiny JavaScript validator for JSON Schema draft v4, supporting $ref with JSON Pointer paths, multiple error collection, and asynch…
321165abandoned
acheong08/ChatGPT-to-API
A Go server that exposes an OpenAI-compatible chat completions API backed by ChatGPT's web interface, cycling through accounts and access t…
101138abandoned
mattgemmell/MGTwitterEngine
MGTwitterEngine is an Objective-C/Cocoa library that adds Twitter integration to Mac OS X and iPhone apps via the Twitter REST API. It prov…
321125abandoned
leocavalcante/siler
Siler is a set of general-purpose high-level abstractions for PHP that provides declarative, function-based routing, HTTP handling, GraphQL…
101108abandoned
snowby666/poe-api-wrapper
A Python API wrapper for Poe.com that provides unofficial access to various AI chatbots like GPT-4, Claude, Llama, Gemini, and Mistral thro…
101093abandoned
remixz/messenger-bot
A Node.js client library for the Facebook Messenger Platform that provides a Bot class with webhook middleware, message sending, and profil…
231087abandoned
solidsnack/GraphpostgresQL
GraphpostgresQL is a PL/pgSQL library that provides a GraphQL-like query interface to relational data in PostgreSQL. It uses table introspe…
321086abandoned
googleapis/elixir-google-api
A repository of generated Elixir client libraries for accessing Google APIs, published as individual packages on hex.pm (e.g., google_api_s…
101080abandoned
RealmTeam/django-rest-framework-social-oauth2
A Django package that integrates python-social-auth and django-oauth-toolkit to provide OAuth2 social authentication for Django REST Framew…
631065abandoned
seemethere/nba_py
nba_py is a Python client library wrapping the stats.nba.com API for retrieving NBA statistics. It returns data as pandas DataFrames or JSO…
101061abandoned
ApicurioArchive/apicurio-studio
Apicurio Studio is a web-based API design studio for visually creating and editing OpenAPI and AsyncAPI definitions without writing specifi…
101057abandoned
loklak/loklak_jlib_api
A Java client library for the Loklak server, which scrapes and provides open access to social media data (primarily Twitter) without requir…
321055abandoned
JakeWharton/retrofit2-kotlinx-serialization-converter
A Retrofit 2 Converter.Factory that lets Retrofit use kotlinx.serialization for serializing request bodies and deserializing response bodie…
101054abandoned
Angel
Angel is a batteries-included backend web framework for Dart, offering routing, controllers, ORM, GraphQL, WebSockets, authentication, and …
101054abandoned
loklak/loklak_php_api
A PHP client library for accessing the Loklak API, which provides JSON responses for social media search data. It is designed to be plugged…
321053abandoned
python-hyper/hyper
Hyper is a Python library providing an HTTP/2 client with an API similar to http.client. It is no longer maintained and its authors recomme…
101048abandoned
loklak/loklak_go_api
A Go client library (SDK) for accessing the Loklak server API, which provides social media search and data. It wraps HTTP calls to a Loklak…
321047abandoned
sitewhere/sitewhere
SiteWhere is an open-source, multi-tenant IoT application enablement platform built on Java/Spring microservices, offering device and asset…
101046abandoned
Grover-c13/PokeGOAPI-Java
A Java library providing an unofficial client API for Pokemon GO, allowing programs to interact with the game's servers. It supports action…
231045abandoned
uscensusbureau/citysdk
CitySDK is a JavaScript (ClojureScript-compiled) library that simplifies access to US Census Bureau APIs, providing utilities for fetching …
101040abandoned
kubernetes-retired/service-catalog
A Kubernetes extension (SIG project) that integrates service brokers via the Open Service Broker API, letting users provision external clou…
101037abandoned
fashiontec/openwash-server
OpenWash is the backend API server for the OpenWash project, providing a REST API for a laundry/washing service application. It serves as t…
321026abandoned
Shopify/js-buy-sdk
A lightweight JavaScript SDK for embedding Shopify ecommerce into any website, providing product retrieval, cart management, and checkout v…
641019abandoned
omarciovsena/abibliadigital
A RESTful API for the Holy Bible built with Node.js, Express, and MongoDB, formerly hosted at ABibliaDigital.com.br with public endpoints a…
661005abandoned
jfinkels/flask-restless
A Flask extension that automatically generates RESTful JSON APIs from SQLAlchemy models. It is no longer maintained, with the last release …
231003abandoned
Graffiti
A discontinued Node.js library that converts existing models (e.g., Mongoose schemas) into a GraphQL schema and exposes it over HTTP via Ex…
23999abandoned
Facebook JavaScript SDK
A collection of archived Facebook Platform SDKs (PHP, JavaScript, Swift, React Native) for integrating Facebook login and Graph API calls i…
10333abandoned
Laravel
Laravel is a batteries-included PHP web application framework with expressive syntax, covering routing, ORM (Eloquent), migrations, queues,…
9985265stable
spring-projects/spring-boot
Spring Boot is an opinionated framework for building stand-alone, production-grade Spring-based Java applications with minimal configuratio…
9681530stable
OmniRoute
OmniRoute is a free, MIT-licensed AI gateway that exposes a single OpenAI-compatible endpoint routing to 350+ LLM providers (90+ with free …
7877757active
LiteLLM
LiteLLM is an open-source AI gateway and Python SDK that provides a unified OpenAI-format interface to 100+ LLM providers (OpenAI, Anthropi…
9261456active
spring-projects/spring-framework
Spring Framework is the foundational application framework for Java-based enterprise applications, providing dependency injection, AOP, tra…
9660263stable
Cal.com (Cal.diy)
Cal.diy is the fully open-source, MIT-licensed community edition of Cal.com, a scheduling platform for booking meetings and managing availa…
8248921active
Serverless Framework
The Serverless Framework is a CLI tool and framework that deploys code and cloud infrastructure together using simple YAML syntax, primaril…
9346916active
Payload
Payload is an open-source, MIT-licensed fullstack Next.js framework and headless CMS written in TypeScript. A single config instantly gener…
9344931stable
Alamofire
Alamofire is an elegant HTTP networking library for Swift built on top of URLSession, providing chainable request/response handling, parame…
9242405stable
Appsmith
Appsmith is an open-source low-code platform for building admin panels, internal tools, and dashboards with drag-and-drop widgets, JavaScri…
9541048active
Novu
Novu is an open-source communication infrastructure platform that provides a unified API for sending notifications (in-app inbox, email, SM…
9240038active
Directus
Directus is an open-source backend application that wraps any SQL database into instant REST and GraphQL APIs, a no-code data studio, and a…
9938413active
Claude Code Router
Claude Code Router (CCR) is a self-hosted local model gateway and control plane that routes AI coding agent requests (Claude Code, Codex, G…
8537369active
refine
Refine is an open-source React framework for rapidly building internal tools, admin panels, dashboards, and B2B applications on top of exis…
8335730active
Laravel
Laravel is a batteries-included PHP web application framework with expressive syntax, covering routing, ORM (Eloquent), templating (Blade),…
9534966stable
Tabby
Tabby is a self-hosted, open-source AI coding assistant that serves as an on-premises alternative to GitHub Copilot. It provides LLM-powere…
7633888active
go-zero
go-zero is a cloud-native Go web and RPC microservices framework with built-in engineering practices like circuit breaking, rate limiting, …
9533372stable
Symfony
Symfony is a full-stack PHP framework for building web and console applications, plus a set of reusable, decoupled PHP components used by p…
9331168stable
Kratos
Kratos is a lightweight Go framework for building cloud-native microservices, offering APIs for transport (HTTP/gRPC), middleware, registry…
8825972active
tsenart/vegeta
Vegeta is a versatile HTTP load testing tool and Go library that drills HTTP services with a constant request rate. It is usable both as a …
6825203stable
Dub
Dub is an open-source link attribution platform combining branded short links, real-time conversion analytics, and affiliate/partner progra…
7724877active
jina-ai/serve
Jina-serve is a Python framework for building and deploying multimodal AI services that communicate via gRPC, HTTP, and WebSockets. It prov…
3621854active
GoogleCloudPlatform/microservices-demo
Online Boutique is a cloud-first microservices demo application: a web-based e-commerce app composed of 11 polyglot microservices communica…
8921055active
Apache Casbin
Apache Casbin is an open-source authorization library that enforces access control using models such as ACL, RBAC, ABAC, ReBAC, and MAC, de…
9620433stable
iii
iii is a Rust-based runtime engine that composes backend services from three primitives (Worker, Trigger, Function), letting polyglot worke…
8518844active
APIJSON
APIJSON is a Tencent open-source Java ORM and JSON-based API protocol that auto-generates CRUD APIs and documentation without backend codin…
9818400active
sqlc
sqlc is a command-line SQL compiler that generates fully type-safe, idiomatic code from SQL queries for languages like Go, Kotlin, Python, …
8018329stable

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