Open-source sdk software
3082 open-source libraries, tools and applications tagged sdk, ranked by how closely sdk is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
3082 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| akfamily/akquant AKQuant is a high-performance quantitative research and backtesting framework with a Rust core engine and Python interface for strategy dev… | 76 | 2392 | active |
| google/neural-tangents Neural Tangents is a Python library built on JAX for defining, training, and evaluating neural networks of both finite and infinite width. … | 10 | 2385 | stable |
| larksuite/openclaw-lark The official Lark/Feishu channel plugin for OpenClaw, maintained by the Lark Open Platform team. It connects an OpenClaw agent to a Lark/Fe… | 54 | 2380 | active |
| velopack/velopack Velopack is an installation and automatic update framework for cross-platform desktop applications, with client SDKs for C#, Rust, C/C++, J… | 93 | 2364 | active |
| gtk-rs/gtk4-rs A set of Rust crates providing complete, idiomatic bindings for GTK 4 and its companion libraries (GDK, GSK, GLib, Gio, Cairo, Pango). It e… | 94 | 2357 | active |
| numberwolf/h265web.js A browser-based HEVC/H.265 (and H.264/AV1) video player SDK supporting live and VOD playback over HTTP-FLV, HLS, MP4, TS, WebSocket, and We… | 93 | 2346 | active |
| comeonzhj/Auto-Redbook-Skills A Claude Code plugin/skill set that automatically writes Xiaohongshu (Redbook) notes, renders them into themed 3:4 card images via Playwrig… | 56 | 2346 | active |
| Vortex GPGPU Vortex is a full-stack open-source RISC-V GPGPU supporting OpenCL, with configurable cores, warps, and threads, plus graphics and tensor co… | 89 | 2337 | active |
| espressif/esp-adf Espressif's official Advanced Development Framework for building audio and multimedia applications on ESP32-series SoCs. It provides pipeli… | 77 | 2319 | active |
| cloudflare/meet Cloudflare Meet (formerly Orange Meets) is a demo video-conferencing application built on Cloudflare Realtime SFU (Calls) with WebRTC. It s… | 57 | 2314 | active |
| Exa-Networks/exabgp ExaBGP is a Python-based BGP protocol implementation that lets network engineers control and interact with BGP sessions through a JSON API … | 99 | 2311 | active |
| cashapp/zipline Zipline is a Kotlin library that lets Kotlin/JVM and Kotlin/Native programs load and run Kotlin/JS code by embedding the QuickJS JavaScript… | 93 | 2309 | active |
| emgucv/emgucv Emgu CV is a cross-platform .NET wrapper for the OpenCV image processing library, allowing OpenCV functions to be called from .NET-compatib… | 90 | 2300 | active |
| mootdx/mootdx A Python library that wraps Tongdaxin (TDX) financial data access, providing simple interfaces for reading offline TDX data files and fetch… | 23 | 2293 | active |
| yeojz/otplib otplib is a TypeScript-first library for generating and verifying one-time passwords (HOTP and TOTP) for two-factor authentication, compati… | 96 | 2292 | active |
| facebookresearch/fairchem FAIR Chemistry's centralized Python library of machine learning models, datasets, and applications for materials science and quantum chemis… | 98 | 2289 | active |
| allenymt/PrivacySentry PrivacySentry is an Android privacy compliance toolkit combining a Gradle plugin with a runtime SDK, using annotations plus ASM bytecode in… | 46 | 2288 | active |
| MapLibre MapLibre Native is a free, open-source C++ library for rendering interactive, GPU-accelerated vector tile maps in mobile and desktop applic… | 95 | 2276 | stable |
| BAP (Binary Analysis Platform) CMU Binary Analysis Platform (BAP) is a suite of OCaml libraries and a plugin-extensible CLI tool for analyzing binary programs. It lifts b… | 56 | 2262 | active |
| moorcheh-ai/memanto Memanto is a companion 'memory agent' that manages long-term semantic memory for AI agents — deciding what to keep, resolving contradiction… | 79 | 2261 | active |
| sun-guannan/VectCutAPI VectCutAPI is a Python library and cloud API ('toAgent' video editing tool) that lets AI agents programmatically edit video, audio, images,… | 64 | 2260 | active |
| antoinezambelli/forge Forge is a Python framework providing a reliability layer for self-hosted LLM tool-calling, with guardrails like rescue parsing, retry nudg… | 80 | 2257 | active |
| datapizza-labs/datapizza-ai Datapizza AI is a Python framework for building production-ready generative AI applications with agents, LLM clients, and RAG pipelines. It… | 63 | 2243 | active |
| irungentoo/toxcore Toxcore is the core C library implementing the Tox protocol, a fully encrypted, peer-to-peer, serverless communication platform for instant… | 32 | 8744 | maintenance |
| KhronosGroup/UnityGLTF A pure C# Unity3D library for importing and exporting glTF 2.0 assets at both editor and runtime, with no native dependencies. It supports … | 91 | 2238 | active |
| floneum/kalosm Kalosm is a Rust ecosystem of crates providing simple interfaces for running pre-trained language, audio, and image models locally or remot… | 65 | 2227 | active |
| meganz/MEGAcmd MEGAcmd is a command-line interactive and scriptable application providing non-UI access to MEGA cloud storage services. It supports folder… | 75 | 2225 | active |
| unrealcv/unrealcv UnrealCV is an open-source Unreal Engine plugin that connects computer vision research to virtual worlds by exposing a command API and Pyth… | 94 | 2219 | active |
| thingsboard/thingsboard-gateway An open-source Python IoT gateway that integrates legacy and third-party devices with the ThingsBoard IoT platform. It acts as a protocol a… | 96 | 2192 | active |
| withcatai/node-llama-cpp node-llama-cpp is a Node.js library providing bindings to llama.cpp for running LLMs locally, with pre-built binaries and automatic GPU sup… | 95 | 2187 | active |
| a16z/helios Helios is a fast, trustless multichain light client for Ethereum written in Rust that turns an untrusted centralized RPC endpoint into a ve… | 98 | 2185 | active |
| Ainz-devs/OVL-MD-V2 OVL-MD-V2 is a multi-device WhatsApp bot built in JavaScript on top of the Baileys Web API. It ships with a broad feature set, a plugin sys… | 62 | 2184 | active |
| samchon/nestia Nestia is a set of helper libraries for NestJS that turns plain TypeScript types into runtime validation, a typed client SDK, OpenAPI/Swagg… | 93 | 2179 | active |
| bytebeamio/rumqtt rumqtt is a Rust ecosystem implementing the MQTT standard, consisting of rumqttc (a high-level async MQTT client) and rumqttd (a high-perfo… | 66 | 2174 | active |
| LetsFG/LetsFG LetsFG is an agent-native flight and hotel search and booking platform exposing its engine via a REST API, an MCP server, a CLI, and Python… | 82 | 2173 | active |
| warden-protocol/wardenprotocol Warden Protocol is a blockchain protocol monorepo providing a network layer for AI agents, including an agentic wallet, a peer-to-peer perm… | 87 | 2161 | active |
| MRPT/mrpt MRPT is a mature C++ toolkit of libraries and applications for mobile robotics, covering SLAM, localization, probabilistic filtering, senso… | 94 | 2160 | stable |
| PipeWire/pipewire PipeWire is a server and user-space API for handling multimedia pipelines on Linux, providing a low-latency, graph-based engine for audio a… | 75 | 2160 | stable |
| NVIDIA/cutile-python cuTile Python is a tile-based programming language and library from NVIDIA for writing parallel kernels that run on NVIDIA GPUs, compiling … | 62 | 2151 | active |
| google-deepmind/pysc2 PySC2 is DeepMind's Python component of the StarCraft II Learning Environment, exposing Blizzard's StarCraft II Machine Learning API as a P… | 23 | 8329 | maintenance |
| rynfar/meridian Meridian is a proxy that bridges Anthropic's Claude Agent SDK to the standard Anthropic API format, letting a Claude Max subscription power… | 80 | 2148 | active |
| aixed/WeChat-Hook A Windows x64 DLL (loaded as a version.dll proxy into WeChat PC) that hooks WeChat 3.9.10.16 / 4.1.10.27 and exposes a local HTTP API for s… | 94 | 2129 | active |
| MemTensor/memmy-agent Memmy is a personal AI agent and local memory hub that gives every AI agent (Claude Code, Codex, Cursor, OpenClaw, etc.) a shared, locally … | 81 | 2129 | active |
| apioo/fusio Fusio is a self-hosted, open-source API management platform and gateway written in PHP that turns databases, microservices, and custom logi… | 94 | 2125 | active |
| midday-ai/ai-sdk-tools A monorepo of TypeScript utility packages extending the Vercel AI SDK, including multi-agent orchestration, Zustand-based chat state manage… | 41 | 2097 | active |
| AWeirdDev/flights fast-flights is a Python library that scrapes Google Flights by generating Base64-encoded Protobuf query strings, returning strongly-typed … | 83 | 2096 | active |
| macrozheng/mall-tiny mall-tiny is a rapid development scaffold based on SpringBoot and MyBatis-Plus with complete role-based permission management built in. It … | 53 | 2093 | active |
| vitoplantamura/OnnxStream A lightweight C++ inference library for ONNX models that streams weights to run large models in very little memory, accelerated by XNNPACK.… | 56 | 2089 | active |
| WebAV-Tech/WebAV WebAV is a TypeScript SDK for creating and editing audio/video files entirely in the browser, built on the WebCodecs API. It provides compo… | 55 | 2089 | active |
| OpenSeeFace OpenSeeFace is a robust realtime face and facial landmark tracking library that runs on CPU at 30-60 fps using ONNX-converted MobileNetV3 m… | 85 | 2084 | active |
| psychopy/psychopy PsychoPy is an open-source Python package for creating and running psychology and neuroscience experiments, offering both a graphical Build… | 92 | 2083 | stable |
| mandiant/speakeasy Speakeasy is a Windows user-mode and kernel-mode emulation framework that runs binaries, drivers, and shellcode inside a modeled Windows ru… | 79 | 2081 | active |
| jd-opensource/OxyGent OxyGent is an open-source Python framework that unifies tools, models, and agents into modular 'Oxy' components for building multi-agent sy… | 57 | 2074 | active |
| marcoslucianops/DeepStream-Yolo A collection of configuration files, parsers, and conversion utilities for running YOLO-family object detection models on NVIDIA DeepStream… | 57 | 2074 | active |
| ricky0123/vad A JavaScript/TypeScript library that runs Silero VAD via ONNX Runtime Web to detect voice activity directly in the browser. It provides a s… | 96 | 2059 | active |
| DeePMD-kit DeePMD-kit is a deep learning package for building many-body potential energy representations and running molecular dynamics simulations. I… | 92 | 2055 | stable |
| nottelabs/notte Notte is a full-stack framework and cloud platform for building, deploying, and scaling AI web agents and browser automations. It combines … | 85 | 2040 | active |
| ezEngine/ezEngine ezEngine is a free, open source C++ game engine with a modular, plugin-based architecture and a feature-rich editor. It provides a full ECS… | 88 | 2032 | active |
| Tencent/soter TENCENT SOTER is a biometric authentication standard and platform for Android, developed by Tencent and used in WeChat fingerprint payment.… | 47 | 2027 | active |
| HomeAssistant Tapo Control Integration A Home Assistant custom component (HACS-installable) that integrates TP-Link Tapo cameras, doorbells, and chimes, providing control, PTZ, m… | 95 | 2024 | active |
| Azure Functions Azure Functions is Microsoft's serverless, event-driven compute platform, and this repo contains the open-source runtime host that executes… | 94 | 2023 | active |
| CANopenNode CANopenNode is a free and open-source CANopen protocol stack written in ANSI C, implementing the standardized CiA301 (EN 50325-4) higher-la… | 60 | 2020 | stable |
| UniFace UniFace is a unified Python library for face analysis that bundles detection, recognition, landmark localization, face parsing, gaze estima… | 85 | 2012 | active |
| materialsproject/pymatgen Pymatgen (Python Materials Genomics) is a robust open-source Python library for materials analysis, defining core classes for crystal struc… | 99 | 2001 | stable |
| patterns-ai-core/langchainrb Langchain.rb is a Ruby library for building LLM-powered applications, providing a unified interface to many LLM providers (OpenAI, Anthropi… | 73 | 2001 | active |
| ruyo/VRM4U VRM4U is an Unreal Engine (UE4/UE5) plugin that imports VRM 3D avatar files at runtime and in-editor. It generates skeletal rigs, morph tar… | 100 | 1994 | active |
| Start9Labs/start-technologies Start Technologies is the monorepo for Start9's products, headlined by StartOS, an open-source Linux distribution that turns any PC into a … | 96 | 1994 | active |
| CapCut Mate An open-source FastAPI-based automation toolkit that generates and manages CapCut (Jianying) draft files via a RESTful API, exposing video … | 82 | 1990 | active |
| pythonOCC pythonocc-core is a Python package providing 3D modeling and data exchange features based on the OpenCascade Technology (OCCT) CAD kernel. … | 87 | 1980 | active |
| HybridRobotics/berkeley-humanoid-lite Berkeley Humanoid Lite is the open-source codebase for a sub-$5,000 3D-printed humanoid robot platform from UC Berkeley. It includes Isaac … | 51 | 1980 | active |
| cossacklabs/themis Themis is a cross-platform, high-level cryptographic library providing ready-made building blocks for secure data storage, encrypted messag… | 69 | 1978 | stable |
| graphql-editor/graphql-zeus GraphQL Zeus is a TypeScript-first GraphQL client and code generator that produces strongly typed clients from a GraphQL schema. It offers … | 53 | 1977 | active |
| beikeshop/beikeshop BeikeShop is a free, open-source eCommerce platform built on PHP 8.2+ and Laravel, designed for self-hosted online stores with product mana… | 89 | 1973 | active |
| WordPress Playground WordPress Playground runs a full WordPress site entirely in the browser (or Node.js) using PHP compiled to WebAssembly, with no server or d… | 98 | 1972 | active |
| mlc-ai/xgrammar XGrammar is an open-source library for efficient, flexible, and portable structured generation in LLM inference via constrained decoding. I… | 91 | 1964 | active |
| mirage/irmin Irmin is an OCaml library for building mergeable, branchable distributed data stores following Git's design principles, with clone/push/pul… | 67 | 1963 | active |
| vladkens/macmon macmon is a sudoless real-time performance monitor for Apple Silicon Macs (M1–M5) that reads CPU/GPU/ANE power, temperatures, frequencies, … | 91 | 1960 | active |
| nymtech/nym Nym is a decentralized privacy platform built in Rust, centered on a mixnet that shuffles Sphinx packets to protect network-level metadata,… | 96 | 1950 | active |
| OpenMRS OpenMRS is an open-source, patient-based electronic medical record (EMR) system built in Java, providing both an API and a web application.… | 95 | 1945 | active |
| SIPSorcery SIPSorcery is a C#/.NET library implementing SIP, WebRTC, RTP, ICE, STUN and SDP for building real-time communication applications. It is p… | 75 | 1945 | active |
| apache/servicecomb-java-chassis Apache ServiceComb Java Chassis is a Java SDK for rapidly building microservices, offering service registration, discovery, dynamic routing… | 87 | 1943 | active |
| databricks-solutions/ai-dev-kit A Databricks Field Engineering toolkit that provides skills, an MCP server, and a Builder App for AI coding agents working with the Databri… | 75 | 1942 | active |
| ikatson/rqbit rqbit is a BitTorrent client written in Rust, available as a CLI tool, a server with an HTTP API and Web UI, a desktop app built with Tauri… | 88 | 1937 | active |
| AlexxIT/YandexStation A Home Assistant custom component (installed via HACS) for controlling Yandex smart speakers and other Alice smart home devices. It support… | 98 | 1935 | active |
| KFR KFR is a fast, modern C++ digital signal processing framework providing FFT/DFT, FIR/IIR/biquad filter design and processing, sample rate c… | 95 | 1931 | stable |
| YoMo YoMo is an open-source serverless LLM function calling framework for building fast, geo-distributed AI agents, written in Rust with a QUIC-… | 97 | 1929 | active |
| AutoArk/EVA-OS EVA OS / EVA Platform is a real-time multimodal AI operating system and development platform for next-generation smart hardware, combining … | 63 | 1929 | active |
| O365/python-o365 A Python library providing a Pythonic wrapper around the Microsoft Graph and Office 365 REST APIs. It supports email, calendar, contacts, O… | 65 | 1924 | active |
| Discord4J/Discord4J Discord4J is a fast, reactive JVM library for building Discord bots using the official Discord Bot API, built on Reactor and Netty. It prov… | 88 | 1923 | active |
| evoluhq/evolu Evolu is a TypeScript library and local-first platform for building apps where users own their data, built on SQLite with CRDT-based sync a… | 95 | 1906 | active |
| Eugeny/russh Russh is a low-level, Tokio-based SSH2 client and server library for Rust, forked from Thrussh. It supports a wide range of ciphers, key ex… | 98 | 1898 | active |
| LBRY LBRY SDK is a Python implementation of the LBRY decentralized peer-to-peer protocol for publishing, discovering, and monetizing digital con… | 23 | 7176 | maintenance |
| laugh12321/TensorRT-YOLO A C++/Python deployment toolkit for running YOLO-family models (YOLOv3 through YOLO26) on NVIDIA GPUs using TensorRT, with custom plugins, … | 71 | 1893 | active |
| SqueezeAILab/LLMCompiler LLMCompiler is a Python framework from an ICML 2024 paper that orchestrates parallel function calling with LLMs. It uses a planner, task fe… | 27 | 1889 | active |
| TuyaOpen TuyaOpen is an open-source, cross-platform C/C++ SDK and IoT OS for building AI-agent hardware on Tuya T-series MCUs, ESP32, Beken, LN882H,… | 86 | 1888 | active |
| NVIDIA-AI-IOT/Lidar_AI_Solution NVIDIA's collection of GPU-accelerated Lidar AI inference solutions for autonomous driving, including optimized implementations of PointPil… | 69 | 1885 | active |
| nomic-ai/nomic The official Python client for Nomic Atlas, a platform for exploring, labeling, searching, and sharing massive unstructured datasets (text,… | 56 | 1880 | active |
| ZoKrates ZoKrates is a toolbox for zkSNARKs on Ethereum, providing a high-level domain-specific language for writing verifiable off-chain programs a… | 23 | 1872 | active |
| dart-lang/dart-pad DartPad is a free, open-source online editor for writing, compiling, and running Dart and Flutter code directly in the browser. It includes… | 76 | 1867 | active |
| ever-co/ever-demand Ever Demand is an open-source, real-time on-demand commerce platform for building single-store shops, multi-vendor marketplaces, and on-dem… | 66 | 1867 | active |