very good whiteboard infinite canvas SDK

An open source payments switch written in Rust to make payments fast, reliable and affordable

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

Integrate cutting-edge LLM technology quickly and easily into your apps

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

A framework for building Mobile cross-platform UI

Open-source feature management platform

🧩 The Browser Extension Framework

Build AI-native spreadsheets. Univer is a full-stack framework for creating and editing spreadsheets on both web and server. With Univer Platform, Univer Spreadsheets is driven directly through natural language.

Simple and Fast Multimedia Library

The Dart SDK, including the VM, JS and Wasm compilers, analysis, core libraries, and more.

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.

📦 一个 PHP 微信 SDK

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

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#.

RealSense SDK

Official Sentry SDKs for JavaScript

The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to and interact with services.

Run frontier LLMs and VLMs with day-0 model support across GPU, NPU, and CPU, with comprehensive runtime coverage for PC (Python/C++), mobile (Android & iOS), and Linux/IoT (Arm64 & x86 Docker). Supporting OpenAI GPT-OSS, IBM Granite-4, Qwen-3-VL, Gemma-3n, Ministral-3, and more.

Bot Framework provides the most comprehensive experience for building conversation applications.