APIs & SDKs

AI API gateway / relay: 307 models behind one OpenAI-compatible key. image2.5 $0.0085/image, Seedance 2.0 Mini $0.01056/sec, LLM from $0.0228/M tokens. USD settlement, pay-as-you-go, $1 minimum top-up.

Fast, exact LLM decoding on Apple Silicon (MLX) behind an OpenAI-compatible endpoint

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

The Swiss Army knife for 802.11, BLE, HID, CAN-bus, IPv4 and IPv6 networks reconnaissance and MITM attacks.

net/http.Client like HTTP Client with options to select specific client TLS Fingerprints to use for requests.

RAGNAROK — OpenAI-compatible API gateway for Ollama on Kaggle/Colab GPUs

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

Multi-account API gateway for Grok Build, Grok Web, and Grok Console

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Community Core ML runtime, Swift SDK, and iOS/macOS samples for Irodori TTS v4.1 Small MF.

Wraps Muse(muse.ai) as an OpenAI-compatible API through reverse engineering, supporting chat, text-to-image, text-to-video/image-to-video, multi-account pool rotation, and automatic renewal every 48 hours. OpenAI-compatible API for Muse.ai with Chat, Image & Video generation.

This is a generic sample app, built in Angular, that showcases Descope Authentication using the Angular SDK.

The fastest Python web framework, built on Django. Rust (Actix Web) HTTP server + async typed handlers + msgspec, with the full Django ORM, Admin, middleware and auth. 300k+ req/s, no gunicorn/uvicorn.

开发者边车，github打不开，github加速，git clone加速，git release下载加速，stackoverflow加速

Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

Primitives for AI Agents

开源跨平台代理客户端 · Android / macOS / Windows · Flutter + Mihomo · 订阅管理、智能分流、系统代理与 TUN

The SDK for Jetpac's iOS Deep Belief image recognition framework

Finnhub Python API Client. Finnhub API provides institutional-grade financial data to investors, fintech startups and investment firms. We support real-time stock price, global fundamentals, global ETFs holdings and alternative data. https://finnhub.io/docs/api

An SDK in Go for the Firecracker microVM API

Fylar Office SDK packages, documentation, and examples for web applications.

The official Python SDK for Sentry.io

Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.

小火箭规则🚀，小火箭模块，小火箭配置，shadowrocket规则，shadowrocket rules，最全面的直连（DIRECT）、代理（PROXY）、屏蔽（REJECT）规则，自动构建，每日更新

🤖 Hermes Agent + 9Router + OmniRouter on a free Hugging Face Space — one-click deploy with a beautiful web wizard (Telegram bot, web dashboard, OpenAI-compatible API, hourly backups)

Google Gen AI Kotlin SDK provides an interface for developers to integrate Google's generative models into their Kotlin/Java/Android applications.

🇨🇳 持续更新的国内免费大语言模型（LLM）API 资源与接入指南汇总（涵盖阿里百炼、智谱等平台）。助力开发者低成本调用 AI 能力。欢迎提交 Issue 与 PR 共建！ | A curated list of free Large Language Model (LLM) APIs and providers in China.

Guzzle, an extensible PHP HTTP client

Pocketoption Signal Bot: Automated binary-options trading bot for PocketOption with an EMA + RSI signal engine, layered risk controls, and a dual-adapter execution stack (unofficial API with Playwright browser fallback).

Turn your VPN account into dozens of local SOCKS5/HTTP proxy ports — one exit location per port, with kill-switch, self-healing tunnels and a web UI.

Inochi2D SDK - Bring your characters to life

🦆 Open-source SDK & hardware interface docs for the ML3576-powered biped robot duck. By Intelbaby.

A Go-based OpenCode Zen / Zen Go API proxy with OpenAI & Anthropic API compatibility, key/proxy pooling, automatic routing, and WebUI.

Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observa

Community-driven AWS SDK for Python. Manage AWS services like a capo

Open Source Spotify client library

🦄 🎃 👻 V2Ray 路由规则文件加强版，可代替 V2Ray 官方 geoip.dat 和 geosite.dat，适用于 V2Ray、Xray-core、mihomo(Clash-Meta)、hysteria、Trojan-Go 和 leaf。Enhanced edition of V2Ray rules dat files, applicable to V2Ray, Xray-core, mihomo(Clash-Meta), hysteria, Trojan-Go and leaf.

Unofficial Node.js/TypeScript client for the Akinator game API

A meticulous HTTP client for the JVM, Android, and GraalVM.

将AI Studio Playground和Build反代成API | AI Studio to OpenAI, Anthropic & Gemini Compatible API

Where you can find everything Android from Mapzen

NekoBox for Android / sing-box / universal proxy toolchain for Android

Mihomo Dashboard, The Official One, XD

A desktop application that allows users to locally test and debug chat bots built with the Bot Framework SDK.

The Common Data Model (CDM) is a standard and extensible collection of schemas (entities, attributes, relationships) that represents business concepts and activities with well-defined semantics, to facilitate data interoperability. Examples of entities include: Account, Contact, Lead, Opportunity, P

Semantic Kernel (SK) is a lightweight SDK enabling integration of AI Large Language Models (LLMs) with conventional programming languages.

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

Free HTTP, SOCKS4 and SOCKS5 proxy lists, re-checked every hour. Plain text and JSON, sorted fastest first, with response time, exit IP, ASN and geolocation. No signup and no API key.

Sample project to explain the Firebase Auth SDK

A self-hosted WhatsApp Gateway & Dashboard built with Next.js 15, Baileys, and Prisma. Manage multi-session accounts, schedule messages, create auto-replies, and integrate via Webhooks.