#API

n8n-io

n8n

★ 197,036

A fair-code workflow automation platform with native AI capabilities.

Significant-Gravitas

AutoGPT

★ 185,647

Open-source platform for building and running AI agents that complete full workflows, defined in plain English or a visual builder and run on demand or on a schedule.

firecrawl

firecrawl

★ 153,634

The API to search, scrape, and interact with the web at scale. 🔥

google-gemini

gemini-cli

★ 106,131

An open-source AI agent that brings the power of Gemini directly into your terminal.

fastapi

fastapi

★ 100,708

FastAPI framework, high performance, easy to learn, fast to code, ready for production

modelcontextprotocol

servers

★ 88,795

Collection of reference MCP server implementations maintained by the steering group, meant as educational examples for developers building their own MCP servers.

hoppscotch

hoppscotch

★ 79,841

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

elastic

elasticsearch

★ 77,576

Elasticsearch is a distributed, RESTful search and analytics engine and vector store for near-real-time full-text and vector search, logs, and metrics at scale.

ocornut

imgui

★ 74,906

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies.

strapi

strapi

★ 72,709

Self-hosted headless CMS in JavaScript and TypeScript that turns visually defined content models into REST and GraphQL APIs, with roles, media library, and i18n built in.

OpenBB-finance

OpenBB

★ 70,894

Open data platform that pipes proprietary, licensed, and public financial data into Python, Excel, MCP servers, and REST APIs for analysts, quants, and AI agents.

D4Vinci

Scrapling

★ 70,582

An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!

scrapy

scrapy

★ 63,444

Scrapy, a fast high-level web crawling & scraping framework for Python.

pathwaycom

pathway

★ 62,594

Pathway is a Python ETL framework for stream processing, real-time analytics, LLM pipelines and RAG, driven by a scalable Rust engine using Differential Dataflow.

headroomlabs-ai

headroom

★ 61,023

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

upstash

context7

★ 59,615

Context7 feeds up-to-date, version-specific library documentation and code examples straight into LLM prompts via MCP, reducing outdated answers and hallucinated APIs.

Panniantong

Agent-Reach

★ 59,164

Agent Reach lets an AI agent search and read public content from services such as GitHub, Reddit, YouTube, Bilibili, and Xiaohongshu through one CLI.

meilisearch

meilisearch

★ 58,696

Meilisearch is a fast search engine API in Rust for AI-powered hybrid search, with typo tolerance, faceting, geosearch, and vector search ready out of the box.

BerriAI

litellm

★ 54,422

Self-hosted AI gateway with a Rust core and Python SDK that calls 100+ LLM providers in OpenAI format, adding cost tracking, guardrails, and load balancing.

mudler

LocalAI

★ 47,753

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

upscayl

upscayl

★ 47,521

Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.

usebruno

bruno

★ 45,762

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

DIYgod

RSSHub

★ 45,357

RSSHub generates RSS feeds from almost any source — from YouTube and Telegram to Weibo and Bilibili — through a large self-hostable route network.

Kong

kong

★ 43,855

The API and AI Gateway. Kong runs natively on Kubernetes thanks to its official Kubernetes Ingress Controller.

juspay

hyperswitch

★ 43,353

Hyperswitch is a composable open-source payments platform in Rust, linking multiple payment providers with intelligent routing, cost observability, and reconciliation.

google

langextract

★ 37,632

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

google-ai-edge

mediapipe

★ 36,195

Cross-platform, customizable ML solutions for live and streaming media.

dgtlmoon

changedetection.io

★ 32,415

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring:all for free or enjoy our SaaS plan!

googleworkspace

cli

★ 29,910

Google Workspace CLI, one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.

JCodesMore

ai-website-cloner-template

★ 29,486

AI Website Cloner Template guides coding agents through recreating a reference site as a structured Next.js project.

assafelovic

gpt-researcher

★ 28,625

An autonomous agent that conducts deep research on any data using any LLM providers.

pppscn

SmsForwarder

★ 27,254

Android APP bark webhook Telegram Server PushPlus V3.0 PS. APK BUG ISSUE PR .

Skyvern-AI

skyvern

★ 22,604

Automate browser based workflows with AI. Automate Browser-based workflows using LLMs and Computer Vision Skyvern automates browser-based workflows using LLMs and computer vision.

navidrome

navidrome

★ 22,497

Your Personal Streaming Service. Navidrome Music Server Navidrome is an open source web-based music collection server and streamer.

chaitin

SafeLine

★ 21,909

SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.

Zeyi-Lin

HivisionIDPhotos

★ 21,327

HivisionIDPhotos: a lightweight and efficient AI ID photos tools. AI .

jundot

omlx

★ 18,081

LLM inference server with continuous batching & SSD caching for Apple Silicon, managed from the macOS menu bar.

getmaxun

maxun

★ 16,628

🔥 The open-source no-code platform for web scraping, crawling, search and AI data extraction • Turn websites into structured APIs in minutes 🔥

zealdocs

zeal

★ 12,731

Offline documentation browser. Your personal reference library, searchable in an instant.

rmyndharis

OpenWA

★ 11,675

OpenWA is a self-hosted WhatsApp API gateway for applications that need to send messages and manage sessions on their own server.

karatelabs

karate

★ 8,907

Test Automation Made Simple. The previous README monolith is preserved at: github.com/karatelabs/karate/tree/v1.5.2.RC2** Anchor links (e.g.

Michael-A-Kuykendall

shimmy

★ 5,719

Pure-Rust WebGPU inference engine, OpenAI-API compatible, GGUF native, runs on any GPU. No Python. No llama.cpp. Single binary.

appbaseio

reactivesearch

★ 4,922

Search UI components for React and Vue. If you're using ReactiveSearch v3 (last major release), use of ReactiveSearch API over ElasticSearch's query DSL is an opt-in feature.

openclaw

mcporter

★ 4,826

Call MCPs via TypeScript, masquerading as simple TypeScript API. Or package them as cli.

IBM

mcp-context-forge

★ 4,152

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

uxlfoundation

oneDNN

★ 4,025

oneAPI Deep Neural Network Library (oneDNN). [ ][UXL Foundation] oneAPI Deep Neural Network Library (oneDNN) oneAPI Deep Neural Network Library (oneDNN) is an open-source cross-platform performance library of basic building blocks for deep learning applications.

graphprotocol

graph-node

★ 3,147

Graph Node indexes data from blockchains such as Ethereum and serves it over GraphQL.

edde746

plezy

★ 2,988

Modern cross-platform Plex & Jellyfin client built with Flutter. Acknowledgments Built with Flutter Supports Plex Media Server and Jellyfin Playback powered by mpv, MPVKit, Android ExoPlayer, libass-android, and libmpv-android.

envoyproxy

gateway

★ 2,901

Manages Envoy Proxy as a Standalone or Kubernetes-based Application Gateway.

graphistry

pygraphistry

★ 2,539

PyGraphistry is a Python library to quickly load, shape, embed, and explore big graphs with the GPU-accelerated Graphistry visual graph analyzer.

seakee

CPA-Manager-Plus

★ 2,184

A self-hosted CPA / CLIProxyAPI management panel and AI gateway observability dashboard for requests, usage, cost, quota, failures, and account health.

feder-cr

invisible_playwright

★ 1,809

Undetected Playwright automation in Python. Stealth-patched Firefox, anti-detect browser fingerprint in the engine, not injected. Passes bot detection.

sozercan

kaset

★ 1,644

The missing YouTube and YouTube Music macOS app. Kaset A native macOS client for YouTube Music and YouTube, built with Swift and SwiftUI.

apiflask

apiflask

★ 1,128

A lightweight Python web API framework. APIFlask supports both marshmallow schemas and Pydantic models through a pluggable schema adapter system, giving you the flexibility to choose the validation approach that best fits your project.

kadevin

ilab-conjure

★ 655

GPT-image-2 AI WebUI Codex Responses OpenAI API Chip An AI image generation WebUI workbench for GPT-image-2 with Codex Responses and OpenAI-compatible API support, shared gallery references, multi-type quick chips, prompt templates, concurrent tasks, and local queue management.