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OpenAI-compatible proxy that aggregates free-tier keys from ~14 AI providers with automatic failover. For personal experimentation only.

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

Every API has a secret identity. This finds it, absorbs every feature from every competing tool, then builds the GOAT CLI — designed for AI agents first, with SQLite sync, offline search, and compound insight commands.

Intercept and inspect Coding Agent API traffic from Claude Code, Codex CLI, Gemini CLI, Cursor CLI, OpenCode, Kimi, Pi, and Hermes in a local trace viewer.

One SQL interface over APIs, files, and live sources — built for agents.

AI agent toolkit: coding agent CLI, unified LLM API, TUI & web UI libraries, Slack bot, vLLM pods

Unofficial Python API and agentic skill for Google NotebookLM. Full programmatic access to NotebookLM's features—including capabilities the web UI doesn't expose—via Python, CLI, and AI agents like Claude Code, Codex, and OpenClaw.

Sub2API-CRS2 一站式开源中转服务，让 Claude、Openai 、Gemini、Antigravity订阅统一接入，支持拼车共享，更高效分摊成本，原生工具无缝使用。

A collective list of free APIs

A unified AI model hub for aggregation & distribution. It supports cross-converting various LLMs into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats. A centralized gateway for personal and enterprise model management. 🍥

Wrap Gemini CLI, Antigravity, ChatGPT Codex, Claude Code, Grok Build as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini 3.1 Pro, GPT 5.5, Grok 4.3, Claude model through API

✨ The agentic HTML editor — your local AI agent writes the HTML, you ship it. 🚀 75 Skills × 9 Surfaces (magazine · deck · poster · XHS / tweet · prototype · data report · Hyperframes) 🛡️ Sandboxed preview · 📤 1-click to WeChat / X / Zhihu / HTML / PNG 🔑 Zero API key — Claude Code / Cursor / Codex / Gemini / Copilot / OpenCode / Qwen / Aider.

The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]

Multi-AI MCP Server - Connect ChatGPT, Claude, Gemini & Perplexity to your coding tools without any API

Shannon Lite is an autonomous, white-box AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.

Bitwarden infrastructure/backend (API, database, Docker, etc).

TencentDB Agent Memory delivers fully local long-term memory for AI Agents via a 4-tier progressive pipeline, with zero external API dependencies.

GPT-Image-2 API and Prompts

Supports comfyui/API calls/modelscope calls

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

The official CLI for the X API

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

The headless browser for AI agents and web scraping

Dockerized FastAPI wrapper for Kokoro-82M text-to-speech model w/multiplatform CPU, AMD, NVIDIA GPU PyTorch support, handling, and auto-stitching

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

​一站式 New-API/Sub2API 等中转站账号管理：余额/用量看板、自动签到、密钥一键使用、价格对比、可用性测试，另提供高级渠道管理 | All-in-one New-API/Sub2API account hub: balance/usage dashboard, auto check-in, one-click keys, price comparison, health checks, plus advanced channel management

The Free Software Media System - Server Backend & API

Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active.

GOWA - WhatsApp REST API with support for UI, Multi Account, Webhooks, and MCP, and Chatwoot. Built with Golang for efficient memory use.

ChatGPT官网接口纯协议的逆向实现，支持注册机维持号池额度，支持GPT-Image-2模型、文本模型，兼容OpenAI接口协议，在线批量生图/编辑图，号池管理，支持导入CPA、sub2api号池 、支持接入Cherry Studio、New Api 等软件

A list of free LLM inference resources accessible via API.

App for Claude Code / Codex / Gemini / OpenCode, vibe coding anytime, anywhere

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.

Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT.

A simple Python Pydantic model for Honkai: Star Rail parsed data from the Mihomo API.

CloakBrowser Github: anti-detect browser download, source-level chromium patches, browser fingerprinting spoofing, multi-accounting tool, canvas webgl modification, proxy manager http socks5, cookie isolation, session import export, user-agent switcher, puppeteer playwright automation api, profile sharing, web scraping free, github

The SMS Gateway for Android™ app enables sending and receiving SMS messages through an API that can be accessed directly on the device or via a cloud server when direct device access is not possible.

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

🤖 AI Gateway | AI Native API Gateway

UE4SS Subnautica 2: UE4SS download github latest version, Subnautica 2 UE5 mod loader setup, xinput1_4.dll dwmapi.dll injector error. REUE4SS UE4SS-settings.ini config, console modding commands, Subnautica 2 crashes on launch fix, dump SDK C++ blueprints, Live Viewport object spacer, GuiConsole visible toggle. Unreal Engine 5.5 compatibility,

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

A highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations.

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

Fast, scriptable CLI for the App Store Connect API. Automate TestFlight, builds, submissions, signing, analytics, screenshots, subscriptions, and more. JSON-first, no interactive prompts

Examples and guides for using the Gemini API

A unified storage SDK for object and blob backends. One small, honest API. Web-standards I/O.

Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.

ImageMagick is a free, open-source software suite for creating, editing, converting, and displaying images. It supports 200+ formats and offers powerful command-line tools and APIs for automation, scripting, and integration across platforms.

🌀 OpenAPI to TypeScript codegen. Production-grade SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.

TensorRT LLM provides users with an easy-to-use Python API to define Large Language Models (LLMs) and supports state-of-the-art optimizations to perform inference efficiently on NVIDIA GPUs. TensorRT LLM also contains components to create Python and C++ runtimes that orchestrate the inference execution in a performant way.

Swap GPT for any LLM by changing a single line of code. Xinference lets you run open-source, speech, and multimodal models on cloud, on-prem, or your laptop — all through one unified, production-ready inference API.

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

List of Permanent Free LLM API (API Keys)

Enterprise AI bastion host for secure AI API and MCP access, with unified proxying, RBAC, audit logs, rate limiting, and cost tracking across OpenAI, Anthropic, Gemini, and self-hosted LLMs.

qData is an open-source data governance and data development platform that integrates ETL, data development, metadata management, data quality, data assets, API services, and AI-powered data Q&A.

API Support for your favorite torrent trackers

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

一个 Dify 应用管理平台，基于 Dify API 构建，提供深度优化的用户端交互界面，支持 Chatflow、Workflow 等多种 Dify 应用类型，适配深度思考、思维链、图表渲染、文件处理等丰富的 AI 输出形式，提供开箱即用的 AI 应用解决方案。

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

Run Claude Code 100% on-device with local AI on Apple Silicon. MLX-native Anthropic-API server, 65 tok/s Qwen 3.5 122B, Llama 3.3 70B, Gemma 4 31B. Private, offline, airgap-ready. Built for NDA / legal / healthcare workflows.

PanSou是一款高性能的网盘资源搜索API服务，支持TG频道和插件搜索。系统设计以性能和可扩展性为核心，支持多频道多插件并发搜索、结果智能排序和网盘类型分类。docker集成前后端，一键启动，开箱即用。仅供学习研究，请勿以各种形式用于盈利目的。

Download market data from Yahoo! Finance's API

The Laravel AI SDK provides a unified, expressive API for interacting with AI providers such as OpenAI, Anthropic, Gemini, and more.

Rapid and cost-effective operator and best practice for agent sandbox lifecycle management.

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

A collection of projects designed to help developers quickly get started with building deployable applications using the Claude API

Examples and guides for using the OpenAI API

Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.

Google Gen AI Python SDK provides an interface for developers to integrate Google's generative models into their Python applications.

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Windsurf-to-OpenAI compatible API proxy

EasyXT是基于miniqmt中xtquant的二次开发封装库，旨在简化xtquant的使用，提供更友好的API接口。通过统一的接口设计、智能参数处理和完善的错误处理，让量化交易开发变得更加简单高效。

The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.

OpenAPI based HTTP Client code generator

LongPort OpenAPI SDK Base.

Not just a mock server. Turn an OpenAPI spec into TypeScript-based simulation, with state management, hot reload, and a REPL.

Full stack, modern web application template. Using FastAPI, React, SQLModel, PostgreSQL, Docker, GitHub Actions, automatic HTTPS and more.

🟪 Open-source runtime that ships any LangGraph or Google ADK agent as a production-ready FastAPI service. Bundled , AG-UI copilotkit API, chat UI, 15+ guardrails, MCP, OpenTelemetry, OIDC. One pip install. Self-hosted, no vendor lock-in.

Socket-based TS/JavaScript API for WhatsApp Web

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go

XR Blocks is a lightweight WebXR + AI library for rapidly prototyping advanced AI + XR experiences.

MLX Studio - Home of JANG_Q - Image Gen/Edit + Chat/Code All in one - + OpenClaw (Anthropic API)

把你在各处注册的 New API / One API / OneHub / DoneHub / Veloera / AnyRouter / Sub2API 等站点， 汇聚成 一个 API Key、一个入口，自动发现模型、智能路由、成本最优

Isaac Lab - Arena is a robotics simulation framework that enhances NVIDIA Isaac Lab by providing a composable, scalable system for creating diverse simulation environments and evaluating robot learning policies. The framework enables developers to rapidly prototype and test robotic tasks with various robot embodiments, objects, and environments.

The official Python library for the OpenAI API

A developer-friendly API for converting many document formats into PDF files, and more!

OpenClaw: Use All Major AI Models NO API Token! Claude/ChatGPT/Gemini/DeepSeek/Doubao/Grok/Qwen/Manus/Kimi

Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts 📈📊

A polyglot document intelligence framework with a Rust core. Extract text, metadata, images, and structured information from PDFs, Office documents, images, and 97+ formats. Available for Rust, Python, Ruby, Java, Go, PHP, Elixir, C#, R, C, TypeScript (Node/Bun/Wasm/Deno)- or use via CLI, REST API, or MCP server.

WinGet is the Windows Package Manager. This project includes a CLI (Command Line Interface), PowerShell modules, and a COM (Component Object Model) API (Application Programming Interface).

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

AWX provides a web-based user interface, REST API, and task engine built on top of Ansible. It is one of the upstream projects for Red Hat Ansible Automation Platform.

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

Memory engine and app that is extremely fast, scalable. The Memory API for the AI era.

The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.

Enterprise-grade (40m+ LOC) codebase intelligence, zero-setup, local & private Plugin/Skill/Extension or MCP: hybrid semantic search, polyglot dependency graphs, symbol-level impact analysis & call-flow, interactive HTML viewer, cross-project & branch-aware search, DB/API/infra knowledge. 61% less tokens, 84% fewer calls, 37x faster. Cloud in beta.

A utility-first CSS framework for rapid UI development.