Best Open Source sdk Libraries
A curated list of the most popular GitHub repositories tagged with sdk. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1tldraw/tldraw
very good whiteboard infinite canvas SDK
#2juspay/hyperswitch
An open source payments switch written in Rust to make payments fast, reliable and affordable
#3binarywang/WxJava
微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发
#4microsoft/semantic-kernel
Integrate cutting-edge LLM technology quickly and easily into your apps
#5OpenAPITools/openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
#6alibaba/weex
A framework for building Mobile cross-platform UI
#7Unleash/unleash
Open-source feature management platform
#8openai/codex-security
OpenAI's Codex Security CLI and TypeScript SDK for finding, validating, and fixing security vulnerabilities. npm: https://www.npmjs.com/package/@openai/codex-security
#9JeffreySu/WeiXinMPSDK
微信全平台 .NET SDK， Senparc.Weixin for C#，支持 .NET Framework 及 .NET Core、.NET 10.0。已支持微信公众号、小程序、小游戏、微信支付、企业微信/企业号、开放平台、JSSDK、微信周边等全平台。 WeChat SDK for C#.
#10realsenseai/librealsense
RealSense SDK
#11getsentry/sentry-javascript
Official Sentry SDKs for JavaScript
#12oomol-lab/open-connector
Open-source auth gateway connecting 1500+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.
#13quantumlib/Cirq
Python framework for creating, editing, and running Noisy Intermediate-Scale Quantum (NISQ) circuits.
#14version-fox/vfox
A cross-platform and extendable version manager with support for Java, Node.js, Golang, Python, Flutter, .NET & more
#15matrix-org/matrix-rust-sdk
Matrix Client-Server SDK for Rust
#16solana-foundation/solana-go
Go SDK library and RPC client for the Solana Blockchain
#17nostrdevkit/nostr
Rust implementation of the nostr protocol, high-level client library, Nostr Wallet Connect and more.
#18templatical/sdk
Drag-and-drop email editor. JSON templates, MJML rendering, framework-agnostic. Vue + TipTap inside. Source-available under FSL-1.1-MIT — free commercially, MIT after 2 years.
#19Adolanium/hermes-gadget-sdk
Build voice and text devices for your Hermes Agent, with ESP32 firmware, a Linux client, and a desktop simulator.
#20hiero-ledger/hiero-sdk-js
A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks
#21safe-global/safe-core-sdk
The Safe{Core} SDK allows builders to add account abstraction functionality into their apps.
#22nonecap/nonecap-js
Official TypeScript client for NoneCap, the hCaptcha solver API.
#23bigfish1913/pi-rust
Rust-native, library-first coding-agent runtime and terminal CLI inspired by Pi, with composable LLM providers, tools, sessions, and plugin ABI
#24yutao8/starred
GitHub Star 收藏资源库，自动同步个人收藏项目。收录 2000+ 个精选开源项目，覆盖开发框架、组件、SDK、模板、API、脚本、工具及各类实用资源，帮助开发者快速发现优质项目。