function: sdk
3115 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| lncrawl/lightnovel-crawler Lightnovel Crawler is a Python tool that downloads web novels from 300+ supported sources and converts them into e-books such as EPUB, MOBI… | 97 | 2575 | active |
| griptape-ai/griptape Griptape is a modular Python framework for building generative AI applications, providing abstractions for agents, pipelines, workflows, RA… | 94 | 2573 | active |
| cuthbertLab/music21 music21 is a Python toolkit for computer-aided musical analysis and computational musicology, providing rich object models for notes, chord… | 95 | 2570 | active |
| ueberdosis/hocuspocus Hocuspocus is a Yjs CRDT-based WebSocket backend for conflict-free real-time collaboration, written in TypeScript. It provides a server, cl… | 98 | 2559 | active |
| malloydata/malloy Malloy is an open-source semantic modeling and query language that compiles to SQL and runs on existing database engines like BigQuery, Sno… | 95 | 2559 | active |
| MayaPosch/NymphCast NymphCast is an open-source audio and video casting system that turns Linux-capable hardware such as a Raspberry Pi into a network media re… | 50 | 2558 | active |
| Younesfdj/gitfut GitFut turns any GitHub profile into a FIFA/World-Cup-style player card rated out of 99, scored live from real GitHub activity like commits… | 56 | 2549 | active |
| mattwparas/steel Steel is an embeddable Scheme dialect interpreter implemented in Rust, running on a bytecode virtual machine with mostly R5RS compliance. I… | 89 | 2546 | active |
| Agent-Field/agentfield AgentField is an open-source AI backend that lets you build, deploy, and govern AI agents like APIs and scale them like microservices. It p… | 79 | 2527 | active |
| carekit-apple/CareKit CareKit is Apple's open source Swift framework for building iOS apps that help people understand and manage their health. It provides ready… | 72 | 2526 | active |
| nitrocloudofficial/nitrostack NitroStack is an enterprise-grade TypeScript framework for building production-ready MCP (Model Context Protocol) servers and AI-native app… | 80 | 2515 | active |
| namada-net/namada Namada is a Rust implementation of a Proof-of-Stake layer-1 blockchain focused on multichain asset-agnostic privacy, built on CometBFT cons… | 97 | 2514 | active |
| AMAP-ML/SkillClaw SkillClaw is a Python-based framework that lets AI agent skills evolve collectively from real interactions across sessions, agents, devices… | 58 | 2514 | active |
| axiomatic-systems/Bento4 Bento4 is a C++ class library and set of command-line tools for reading, writing, inspecting, encrypting, and packaging ISO-MP4 files, incl… | 72 | 2493 | stable |
| nerves-project/nerves Nerves is a framework and set of tools for building and deploying small, self-contained firmware images for embedded Linux devices using El… | 93 | 2484 | stable |
| pykeio/ort ort is a safe, fast Rust binding for Microsoft's ONNX Runtime, providing hardware-accelerated machine learning inference and training for O… | 89 | 2476 | active |
| google-parfait/tensorflow-federated TensorFlow Federated (TFF) is an open-source Python framework for machine learning and other computations on decentralized data. It provide… | 79 | 2448 | active |
| open-telemetry/opentelemetry-java The official OpenTelemetry Java SDK, providing the Java implementation of the OpenTelemetry API for recording traces, metrics, and logs, pl… | 98 | 2447 | active |
| hku-mars/r3live R3LIVE is a tightly-coupled LiDAR-Inertial-Visual sensor fusion framework for robust, real-time state estimation and RGB-colored 3D mapping… | 48 | 2442 | active |
| volcengine/ai-app-lab AI App Lab from Volcano Engine (Volcengine) provides Arkitect, a high-code Python SDK for building LLM applications, plus Demohouse, a coll… | 83 | 2433 | active |
| agentclientprotocol/claude-agent-acp An ACP (Agent Client Protocol) adapter that exposes the Claude Agent SDK to any ACP-compatible client. It bridges protocol features like to… | 80 | 2431 | active |
| roboflow/inference Roboflow Inference is a Python library and self-hostable inference server for deploying computer vision models on any computer or edge devi… | 91 | 2427 | active |
| jherrodthomas/automotive-skills-suite A suite of 152 installable Claude skills (76 builder + 76 reviewer pairs) that generate structured automotive engineering deliverables as x… | 58 | 2427 | active |
| jpsim/SourceKitten SourceKitten is a Swift framework and command line tool that links with sourcekitd.framework to interact with SourceKit. It parses Swift AS… | 88 | 2426 | stable |
| AWS Amplify AWS Amplify is a declarative JavaScript library for frontend and mobile developers building cloud-enabled applications, providing easy inte… | 94 | 9557 | maintenance |
| jackmpcollins/magentic A Python library for seamlessly integrating LLMs into Python code via @prompt and @chatprompt decorators that return typed, structured outp… | 74 | 2415 | active |
| the-momentum/open-wearables Open Wearables is a self-hosted, MIT-licensed platform that unifies wearable health data from providers like Garmin, Whoop, Oura, Fitbit, S… | 83 | 2407 | active |
| oras-project/oras ORAS (OCI Registry As Storage) is a CLI tool and set of client libraries for pushing, pulling, and managing arbitrary OCI artifacts in OCI-… | 88 | 2403 | active |
| kcl-lang/kcl KCL is a constraint-based record and functional configuration and policy language implemented in Rust, with this repo providing the languag… | 79 | 2403 | active |
| xiph/flac FLAC (Free Lossless Audio Codec) is the open-source reference implementation of a patent-free lossless audio compression format, comprising… | 65 | 2399 | stable |
| panva/openid-client openid-client is a TypeScript library providing OAuth 2.0 and OpenID Connect client APIs for JavaScript runtimes including Node.js, Deno, b… | 99 | 2398 | stable |
| ValveResourceFormat/ValveResourceFormat Source 2 Viewer (VRF) is an open-source tool for browsing VPK archives and viewing, extracting, and decompiling Source 2 game assets such a… | 95 | 2391 | active |
| hapifhir/hapi-fhir HAPI FHIR is a complete open-source Java implementation of the HL7 FHIR standard for healthcare data interoperability, providing APIs for b… | 97 | 2390 | stable |
| 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 | 2383 | 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… | 56 | 2362 | 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… | 99 | 2341 | active |
| romainsimon/paperasse Paperasse is a collection of Markdown-based AI agent skills specialized in French bureaucracy: accounting (PCG, TVA, liasse fiscale), invoi… | 59 | 2340 | 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… | 92 | 2335 | active |
| vercel/chat Chat SDK is a unified TypeScript SDK for building chat bots and AI agents that run across Slack, Microsoft Teams, Google Chat, Discord, Tel… | 78 | 2318 | active |
| cloudflare/meet Cloudflare Meet (formerly Orange Meets) is a demo video-conferencing application built on Cloudflare Realtime SFU (Calls) with WebRTC. It s… | 60 | 2312 | active |
| espressif/esp-adf Espressif's official Advanced Development Framework for building audio and multimedia applications on ESP32-series SoCs. It provides pipeli… | 80 | 2299 | 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… | 87 | 2298 | 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 | 2296 | 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… | 74 | 2294 | 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… | 88 | 2292 | active |
| yeojz/otplib otplib is a TypeScript-first library for generating and verifying one-time passwords (HOTP and TOTP) for two-factor authentication, compati… | 99 | 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… | 49 | 2283 | active |
| BinaryAnalysisPlatform/bap CMU Binary Analysis Platform (BAP) is a suite of OCaml libraries and a plugin-extensible CLI tool for analyzing binary programs. It lifts b… | 59 | 2253 | 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 | 8748 | maintenance |
| 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… | 68 | 2239 | active |
| facebookresearch/fairchem FAIR Chemistry's centralized Python library of machine learning models, datasets, and applications for materials science and quantum chemis… | 99 | 2231 | 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 | 2228 | 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… | 82 | 2227 | active |
| 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 … | 93 | 2224 | 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… | 64 | 2223 | active |
| Pusher Channels The official Pusher Channels JavaScript client library for subscribing to channels and receiving realtime events over WebSockets with HTTP … | 97 | 2220 | active |
| vortexgpgpu/vortex Vortex is a full-stack open-source RISC-V GPGPU supporting OpenCL, with configurable cores, warps, and threads, plus graphics and tensor co… | 81 | 2220 | 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… | 59 | 2220 | 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… | 67 | 2209 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 99 | 2203 | active |
| NovaSky-AI/SkyRL SkyRL is a modular full-stack reinforcement learning library for post-training large language models, combining a training framework (skyrl… | 80 | 2201 | active |
| meganz/MEGAcmd MEGAcmd is a command-line interactive and scriptable application providing non-UI access to MEGA cloud storage services. It supports folder… | 67 | 2199 | 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,… | 67 | 2182 | 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… | 98 | 2177 | 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… | 85 | 2175 | 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… | 95 | 2172 | active |
| maplibre/maplibre-native MapLibre Native is a free, open-source C++ library for rendering interactive, GPU-accelerated vector tile maps in mobile and desktop applic… | 95 | 2169 | stable |
| Fast Note Sync Fast Note Sync is an Obsidian plugin that provides real-time, multi-device note synchronization with automatic backup, version history, and… | 81 | 2165 | 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… | 93 | 2162 | 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… | 92 | 2161 | 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… | 72 | 2160 | active |
| MRPT/mrpt MRPT is a mature C++ toolkit of libraries and applications for mobile robotics, covering SLAM, localization, probabilistic filtering, senso… | 98 | 2157 | 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… | 77 | 2146 | stable |
| 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 | 8307 | maintenance |
| 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 … | 63 | 2137 | 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… | 56 | 2119 | 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 | 2114 | active |
| akfamily/akquant AKQuant is a high-performance quantitative research and backtesting framework with a Rust core engine and Python interface for strategy dev… | 78 | 2095 | 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… | 44 | 2088 | 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… | 58 | 2087 | 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.… | 59 | 2086 | 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 … | 57 | 2081 | active |
| psychopy/psychopy PsychoPy is an open-source Python package for creating and running psychology and neuroscience experiments, offering both a graphical Build… | 95 | 2068 | stable |
| 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… | 60 | 2067 | active |
| marcoslucianops/DeepStream-Yolo A collection of configuration files, parsers, and conversion utilities for running YOLO-family object detection models on NVIDIA DeepStream… | 61 | 2054 | 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… | 69 | 2043 | active |
| emilianavt/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… | 49 | 2038 | active |
| mandiant/speakeasy Speakeasy is a Windows user-mode and kernel-mode emulation framework that runs binaries, drivers, and shellcode inside a modeled Windows ru… | 91 | 2036 | 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… | 96 | 2033 | active |
| Tencent/soter TENCENT SOTER is a biometric authentication standard and platform for Android, developed by Tencent and used in WeChat fingerprint payment.… | 53 | 2025 | active |
| deepmodeling/deepmd-kit DeePMD-kit is a deep learning package for building many-body potential energy representations and running molecular dynamics simulations. I… | 95 | 2021 | stable |
| Azure Functions Azure Functions is Microsoft's serverless, event-driven compute platform, and this repo contains the open-source runtime host that executes… | 95 | 2020 | 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… | 90 | 2000 | active |
| nottelabs/notte Notte is a full-stack framework and cloud platform for building, deploying, and scaling AI web agents and browser automations. It combines … | 84 | 1997 | active |
| 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… | 76 | 1991 | active |
| JurajNyiri/HomeAssistant-Tapo-Control A Home Assistant custom component (HACS-installable) that integrates TP-Link Tapo cameras, doorbells, and chimes, providing control, PTZ, m… | 92 | 1985 | active |
| CANopenNode/CANopenNode CANopenNode is a free and open-source CANopen protocol stack written in ANSI C, implementing the standardized CiA301 (EN 50325-4) higher-la… | 64 | 1985 | stable |
| 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 … | 98 | 1983 | active |
| 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 … | 57 | 1976 | active |
| WordPress/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… | 99 | 1975 | active |