Skip to main content

Category · 100 repos

APIs & SDKs

Client libraries, API wrappers, OpenAPI tooling, webhooks and proxies. Ranked by star velocity over the last 24 hours.

Showing 1–50 of 100

1
Niko1221/Strata

Qwen3.8-Flash-Next on any consumer hardware: one-click install for Windows / Linux. Strata inference engine, OpenAI/Anthropic API on localhost, optional image input.

C++APIs & SDKsLLM Inference & Serving
2
tigerless-labs/cost-xray

See what Claude Code and Codex actually send to the API — and what each part costs.

PythonAPIs & SDKsAI Coding Assistants
3
public-apis/public-apis

A collective list of free APIs

PythonAPIs & SDKs
4
icubaby/SideRail

Xray-core VPN panel, one-click deploy on Railway

TypeScriptAPIs & SDKsDevOps & CI/CD
5
urosidoki/htn_planner

Ahead-of-time compiled HTN planner and C++ SDK for game AI.

C++APIs & SDKsProductivity & Notes
6
tashfeenahmed/freellmapi

7.4 billion tokens per month. 34 free LLM providers. 635 free model endpoints. All behind one /v1 endpoint, plus any custom OpenAI-compatible endpoint. Smart routing, automatic failover, encrypted keys. Personal experimentation only.

TypeScriptAPIs & SDKs
7
Sitoi/ClashBar

A native macOS menu-bar proxy client built with SwiftUI + AppKit and powered by mihomo. Lightweight and stable, it manages configuration, nodes, rules, connections, and system proxy from the menu bar.

SwiftAPIs & SDKsMobile & Desktop Apps
8
open-webui/open-webui

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

PythonAPIs & SDKsLocal LLMs
9
dream-num/univer

The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.

TypeScriptAPIs & SDKsProductivity & Notes
10
klipitkas/tunnl.gg

A minimal SSH tunneling service. Expose your local apps to the internet with a single command.

GoAPIs & SDKsSelf-Hosted Apps
11
wicm84266964/Buddy2api

Local OpenAI-compatible gateway for Codex and desktop AI clients. Default WorkBuddy; optional QClaw / QwenWork / traework. One key, one channel.

PythonAPIs & SDKs
12
linguo2625469/workbuddy2api-panel

Turn Tencent WorkBuddy accounts into a multi-account gateway with an OpenAI-compatible API, while automatically completing all tasks in the task center. Includes a Web management panel (visual account pool / points tasks / hot-reloaded configuration). An enhanced branch based on Sliverkiss/workbuddy2api.

GoAPIs & SDKsSelf-Hosted Apps
13
rmyndharis/OpenWA

Free, Open Source, Self-Hosted WhatsApp API Gateway

TypeScriptAPIs & SDKsSelf-Hosted Apps
14
cocoonstack/sandbox-operator

Aggregated Kubernetes apiserver and e2b-compatible data plane for warm-pooled agent sandboxes on microVMs. Sandboxes are served from per-node inventory with no per-sandbox etcd object and claimed from node-local sandboxd warm pools; the e2b SDK reaches them through an edge proxy.

GoAPIs & SDKsCloud & Kubernetes
15
strands-agents/harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

PythonAPIs & SDKsAI Agents
16
antibrow/antibrow

Kernel-level antidetect browser with the Playwright API you already write. Python + Node SDKs, MCP-ready, unlimited local profiles. Linux x64 + arm64, macOS Intel + Apple Silicon, Windows x64.

TypeScriptAPIs & SDKsBrowser Automation & Scraping
17
chen08209/FlClash

A multi-platform proxy client based on ClashMeta,simple and easy to use, open-source and ad-free.

DartAPIs & SDKsMobile & Desktop Apps
18
Johnshall/Shadowrocket-ADBlock-Rules-Forever

Provides multiple Shadowrocket rules with powerful ad filtering. Rules are rebuilt daily at 8:00.

APIs & SDKsSelf-Hosted Apps
19
jytt8u/marvia

Marvia — open-source VPN clients for Android and Windows, self-hosted panel, nodes and VP1 transport

GoAPIs & SDKsMobile & Desktop Apps
20
marwahossein61-ops/currencyconverter

A lightweight, real-time currency converter web application built with vanilla JavaScript. It fetches live exchange rates using a free API, supports over 150 currencies, and features an intuitive interface with dynamic flag updates.

JavaScriptAPIs & SDKs
21
ardeyouxipianyi/workbuddy2api-hub

WorkBuddy multi-account reverse-proxy gateway for international and domestic accounts, supporting Codex / Claude Code / DSH and standard OpenAI clients.

PythonAPIs & SDKsAI Coding Assistants
22
bacen/pix-api

Pix API: the API of the Brazilian Instant Payments Arrangement, Pix, created by the Central Bank of Brazil.

APIs & SDKs
23
throneproj/ThroneForAndroid

Cross-platform GUI proxy utility (Empowered by sing-box)

KotlinAPIs & SDKsMobile & Desktop Apps
24
tldraw/tldraw

Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

TypeScriptAPIs & SDKsProductivity & Notes
25
MrKazino/AG-Flow

AG-Flow: a Senior Workflows Manager for Google Antigravity & Gemini. Ships an expert GEMINI.md, 20 skills and 9 subagents as a native plugin; YAML graph orchestration (parallel, quality gates, human approvals) via MCP or headless SDK; and a CLI + dashboard to manage skills, rules, MCP and hooks, wit

PythonAPIs & SDKsWorkflow Automation & No-Code
26
fizahkhalid/forex_factory_calendar_news_scraper

Forex Factory economic calendar scraper with rule-based pre-event alerts using selenium, sends to Discord, Telegram, and webhooks.

PythonAPIs & SDKsBrowser Automation & Scraping
27
ingenic-official/T-series

T-Series business line: SDK, Linux kernel, documentation and so on.

APIs & SDKsSystems, Compilers & Build Tools
28
morpheusadam/v2rayN-Pro-Max

v2rayN Pro Max - automatic V2Ray/Xray client for Windows with one-click Auto Mode: fetches free subscription links, ping and speed tests them, and keeps the fastest servers ready. No more daily manual subscription updates.

C#APIs & SDKs
29
redmaplewww/self-evolving-kb

Self-evolving local knowledge-base module: Markdown as the source of truth + RAG question answering + dual-track observability + gold-standard evaluation + self-evolving feedback loop; can connect to any Agent (OpenAI-compatible).

PythonAPIs & SDKsRAG & Knowledge Bases
30
vercel/ai

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

TypeScriptAPIs & SDKsWeb Frameworks & Backend
31
yournextstore/yournextstore

AI-Native Open-Source Next.js commerce. Powered by Stripe. Ultra fast with typesafe Commerce SDK. Built for AI development (Claude, Codex, Cursor).

MDXAPIs & SDKsWeb Frameworks & Backend
32
1lck/AI-Resume-Form-Filling-Assistant

An AI-powered browser extension that automatically fills in resume information on official websites: provide resume text or upload a PDF with a text layer, and the extension uses DeepSeek (or any OpenAI-compatible API) to parse it and identify form fields on the target webpage for one-click filling (it does not submit automatically).

JavaScriptAPIs & SDKsProductivity & Notes
33
Gandhara2077/arena-local-bridge

Bridge Arena.ai blind-model-battle sessions into a local OpenAI-compatible API, with batch session harvesting, model identification and archival.

JavaScriptAPIs & SDKs
34
KaranGauswami/socks-to-http-proxy

An executable to convert SOCKS5 proxy into HTTP proxy

RustAPIs & SDKs
35
firebase/firebase-ios-sdk

Firebase SDK for Apple App Development

C++APIs & SDKs
36
zdz/ServerStatus-Rust

✨ Rust version of the ServerStatus probe, enhanced edition.

RustAPIs & SDKs
37
Arthur-Ficial/apfel

The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat — all on-device via Apple Intelligence. No API keys, no cloud, no downloads.

SwiftAPIs & SDKsCLI & Developer Tools
38
aimod-cc/agent2api

Multi-provider local gateway: converts login sessions from WorkBuddy, XiaoHuanXiong, CatPaw, AutoClaw, Qoder, and Cline into a local OpenAI-compatible API, with multi-account management, model routing, outbound proxy, and content redaction.

RustAPIs & SDKsAI Coding Assistants
39
jason5ng32/MyIP

The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.

JavaScriptAPIs & SDKs
40
pollen-robotics/reachy_mini

Reachy Mini's SDK

PythonAPIs & SDKs
41
ExpeditionEstates/recognition

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

JavaScriptAPIs & SDKsMobile & Desktop Apps
42
icebear0828/codex-proxy

OpenAI-compatible proxy for ChatGPT Codex Responses API

TypeScriptAPIs & SDKsLLMOps & Gateways
43
orval-labs/orval

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺

TypeScriptAPIs & SDKsAI Coding Assistants
44
axium-lab/llm-mock

Self-hosted OpenAI-compatible mock server — test your LLM integrations without exposing your API key. By Axium.

TypeScriptAPIs & SDKsTesting & QA
45
ccsimplyspolit/CS2-SDK-Reference

CS2 SDK, offsets, protobufs, structures — reference for VMP analysis and any CS2 project

C++APIs & SDKs
46
marketcalls/broker-api-docs

Markdown collection of Indian stockbroker API documentation for offline reading and LLM context

APIs & SDKsProductivity & Notes
47
gskinnerTeam/flutter-wonderous-app

A showcase app for the Flutter SDK. Wonderous will educate and entertain as you uncover information about some of the most famous structures in the world.

DartAPIs & SDKsMobile & Desktop Apps
48
jnracreates/jellyfin-portal

A dark Jellyfin-themed homepage portal with Recently Added row, status widgets, and a serverless API proxy to keep keys off the client.

CSSAPIs & SDKsSelf-Hosted Apps
49
kidschanel1602-tech/freellmapi

7.4 billion tokens per month. 34 free LLM providers. 635 free model endpoints. All behind one /v1 endpoint, plus any custom OpenAI-compatible endpoint. Smart routing, automatic failover, encrypted keys. Personal experimentation only.

TypeScriptAPIs & SDKs
50
2dust/v2rayN

A GUI client for Windows, Linux and macOS, support Xray and sing-box and others

C#APIs & SDKs