#API

n8n-io

n8n

★ 204,392

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

Significant-Gravitas

AutoGPT

★ 187,365

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

★ 180,775

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

google-gemini

gemini-cli

★ 107,004

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

fastapi

fastapi

★ 102,351

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

modelcontextprotocol

servers

★ 90,323

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

Panniantong

Agent-Reach

★ 81,965

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

D4Vinci

Scrapling

★ 81,121

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

hoppscotch

hoppscotch

★ 80,310

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

elastic

elasticsearch

★ 77,920

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

★ 76,199

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

strapi

strapi

★ 73,165

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

★ 73,035

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.

headroomlabs-ai

headroom

★ 72,304

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.

scrapy

scrapy

★ 64,346

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

pathwaycom

pathway

★ 62,284

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.

upstash

context7

★ 62,055

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feeds up-to-date, version-specific library documentation and code examples straight into LLM prompts via MCP, reducing outdated answers and hallucinated APIs.

meilisearch

meilisearch

★ 59,299

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

★ 58,797

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.

upscayl

upscayl

★ 49,243

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