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 |
|---|---|---|---|
| Firebase Admin SDK for PHP An unofficial Firebase Admin SDK for PHP that provides access to Firebase services like Authentication, Realtime Database, Firestore, and C… | 97 | 2435 | active |
| eclipse-paho/paho.mqtt.python The Eclipse Paho MQTT Python client library implementing MQTT protocol versions 5.0, 3.1.1, and 3.1. It enables Python applications to conn… | 67 | 2429 | active |
| pauldemarco/flutter_blue FlutterBlue is a Bluetooth LE plugin for Flutter that enables scanning, connecting, and interacting with nearby BLE devices from Dart code.… | 23 | 2428 | active |
| timekit-io/booking-js Booking.js is an embeddable JavaScript booking widget by Timekit that lets websites add appointment scheduling in minutes, powered by the T… | 23 | 2428 | active |
| Alan AI SDK Alan AI SDK is a set of client libraries for embedding Alan AI's conversational AI agents and intelligent app layer into web, iOS, Android,… | 91 | 2427 | active |
| geoip-lite/node-geoip A fully native JavaScript Node.js library implementing MaxMind's GeoIP API using GeoLite data files. It performs fast, synchronous IP-to-lo… | 80 | 2424 | active |
| trymirai/uzu Uzu is a high-performance inference engine written in Rust for running AI models directly on-device, with Python, TypeScript, and Swift bin… | 87 | 2423 | active |
| remotestorage/remotestorage.js remoteStorage.js is a JavaScript/TypeScript client library for storing user data locally in the browser and syncing it with remoteStorage s… | 83 | 2423 | stable |
| Prism Prism is a Laravel package providing a unified, fluent interface for working with Large Language Models across providers like OpenAI, Anthr… | 63 | 2423 | active |
| metafloor/bwip-js A pure JavaScript barcode generation library supporting over 100 barcode types and standards, translated from Barcode Writer in Pure PostSc… | 92 | 2416 | stable |
| igniterealtime/Smack Smack is an open-source, modular XMPP client library written in pure Java for Java SE JVMs and Android. It lets applications embed XMPP fun… | 75 | 2416 | stable |
| dotnet/iot Official .NET libraries (System.Device.Gpio and Iot.Device.Bindings) for building IoT applications that interact with GPIO pins, serial por… | 80 | 2414 | active |
| nordicsemi/Android-BLE-Library An Android library by Nordic Semiconductor that simplifies working with Bluetooth Low Energy, handling connection, service discovery, bondi… | 67 | 2413 | stable |
| nodejs/node-addon-api A header-only C++ wrapper library for Node-API (N-API) that simplifies writing native Node.js addons in C++. It provides C++ object model a… | 89 | 2409 | stable |
| MHeironimus/ArduinoJoystickLibrary An Arduino library that lets an Arduino Leonardo, Micro, or other ATmega32u4-based board appear as one or more USB HID joysticks or gamepad… | 23 | 2409 | stable |
| strukturag/libheif libheif is a C++ library that decodes and encodes HEIF/HEIC and AVIF image files, plus HEIF containers using VVC, AVC, JPEG, and JPEG-2000 … | 99 | 2399 | active |
| linux-rdma/rdma-core rdma-core provides the userspace libraries and daemons for the Linux kernel's RDMA (drivers/infiniband) subsystem, including libibverbs, li… | 93 | 2399 | stable |
| pollen-robotics/AmazingHand AmazingHand is an open-source, low-cost, 3D-printable 8-DOF humanoid robotic hand with four fingers driven by Feetech servos, designed to m… | 52 | 2398 | active |
| torvalds/GuitarPedal A digital guitar pedal project by Linus Torvalds built around an RP2354A microcontroller and a TI audio codec, with seventeen software-defi… | 62 | 2394 | active |
| OPCFoundation/UA-.NETStandard The official OPC Foundation reference implementation of the OPC Unified Architecture (OPC UA) protocol for .NET, providing client, server, … | 93 | 2393 | stable |
| acidicoala/SmokeAPI SmokeAPI is a C++ library that hooks the Steamworks SDK to emulate DLC and inventory item ownership in Steam games the user legitimately ow… | 77 | 2393 | active |
| southleft/figma-console-mcp A Model Context Protocol (MCP) server that connects AI assistants like Claude to Figma, exposing design tokens, variables, components, styl… | 79 | 2392 | active |
| chillerlan/php-qrcode A PHP library for generating Model 2 QR Codes (versions 1-40, all ECC levels, mixed encoding modes) with extensible output modules for rast… | 81 | 2391 | active |
| Mentra-Community/MentraOS MentraOS is an open-source operating system and development platform for smart glasses, providing pairing, connection management, data stre… | 92 | 2390 | active |
| iziz/libPhoneNumber-iOS An iOS port of Google's libphonenumber library with an Objective-C core and Swift-first facade modules for parsing, formatting, and validat… | 98 | 2381 | active |
| kazuhikoarase/qrcode-generator A QR Code generator library implemented in JavaScript, Java, and other languages, based on the JIS X 0510:1999 standard. It supports multip… | 61 | 2379 | stable |
| eclipse-paho/paho.mqtt.c The Eclipse Paho C client library for the MQTT protocol, enabling applications to connect to an MQTT broker to publish messages and subscri… | 74 | 2373 | stable |
| Bambu Lab Home Assistant Integration A Home Assistant custom integration for Bambu Lab 3D printers, installed via HACS. It exposes printer sensors and controls inside Home Assi… | 92 | 2371 | active |
| Smithy Smithy is a protocol-agnostic interface definition language (IDL) and a set of tools for modeling services as collections of resources, ope… | 97 | 2365 | stable |
| PYNQ PYNQ is an open-source Python framework from AMD/Xilinx for designing embedded systems on Zynq and other adaptive computing platforms (FPGA… | 93 | 2364 | active |
| Countries A Ruby gem providing country objects with data from ISO 3166 (countries and subdivisions), ISO 4217 (currencies), and E.164 (phone numbers)… | 78 | 2364 | active |
| orhanerday/open-ai A community-maintained PHP SDK for accessing the OpenAI API, supporting GPT-3/GPT-4 chat completions, DALL-E image generation, and ChatGPT-… | 24 | 2363 | active |
| VST 3 SDK Steinberg's official SDK for developing VST 3 audio plug-ins, including the API, helper classes, AAX/AU wrappers, and example plug-ins. It … | 72 | 2362 | active |
| gotd/td gotd/td is a full MTProto 2.0 Telegram API client library written in pure Go, supporting both user accounts and bots with generated binding… | 98 | 2358 | stable |
| free-audio/clap CLAP (CLever Audio Plugin) is an open standard C API with a stable ABI that defines how Digital Audio Workstations (hosts) and audio plugin… | 75 | 2358 | stable |
| ash-rs/ash Ash is a lightweight, auto-generated Rust wrapper around the Vulkan graphics API, generated from vk.xml and supporting Vulkan 1.1 through 1… | 67 | 2357 | stable |
| MasterKale/SimpleWebAuthn SimpleWebAuthn is a collection of TypeScript-first libraries (@simplewebauthn/server and @simplewebauthn/browser) that simplify adding WebA… | 96 | 2349 | active |
| oschwald/geoip2-golang A Go library for reading MaxMind GeoIP2 and GeoLite2 databases to look up geolocation data for IP addresses. It is built on the maxminddb r… | 95 | 2342 | active |
| pbatard/libwdi libwdi is a Windows Driver Installer library for USB devices that automates INF creation, catalog signing, driver file extraction, and driv… | 34 | 2342 | active |
| davedelong/time A Swift package providing robust, type-safe date and time calculations built around regional clocks and calendar-aware value types. It prev… | 83 | 2341 | active |
| OpenSea SDK The official TypeScript SDK for OpenSea, the largest NFT marketplace. It lets developers access the orderbook, create and fulfill listings … | 94 | 2337 | active |
| knuckleswtf/scribe Scribe is a PHP/Laravel package that automatically generates human-friendly API documentation from a Laravel codebase. It produces a single… | 88 | 2337 | active |
| SlimVXposed A launcher UI for the Metaverse Engine (based on the Mundo project) that serves as the update channel for SPatch nightly builds. It provide… | 89 | 2336 | active |
| innoveit/react-native-ble-manager A React Native module for Bluetooth Low Energy (BLE) communication that wraps the native iOS and Android BLE APIs. It enables scanning, con… | 98 | 2334 | active |
| go-python/gopy gopy is a command-line tool that generates and compiles CPython extension modules from Go packages, letting Python code call Go code direct… | 85 | 2333 | active |
| obsidianmd/obsidian-api TypeScript type definitions for the Obsidian plugin API, maintained by the Obsidian team. It enables developers to build Obsidian plugins w… | 76 | 2333 | active |
| Brooooooklyn/canvas A high-performance Node.js canvas implementation backed by Google's Skia graphics library, built with Rust and Node-API (napi-rs). It provi… | 94 | 2331 | active |
| appleseed appleseed is an open source, physically-based global illumination rendering engine designed for animation and visual effects. It ships as a… | 58 | 2327 | active |
| Netcode for GameObjects Netcode for GameObjects is a Unity package providing high-level networking capabilities for GameObject and MonoBehaviour workflows, built o… | 98 | 2326 | active |
| codetheweb/tuyapi TuyAPI is a Node.js library that provides an easy-to-use API for communicating with smart devices built on Tuya's protocol, such as plugs, … | 64 | 2325 | stable |
| pyvmomi pyVmomi is the official Python SDK for the VMware vSphere Management API (SOAP-based), enabling programmatic management of VMware ESXi host… | 74 | 2324 | active |
| android/ndk The Android Native Development Kit (NDK) lets Android developers embed native C/C++ code in their apps as JNI shared libraries. This reposi… | 91 | 2323 | active |
| Encryqed/Dumper-7 Dumper-7 is a C++ DLL that, when injected into an Unreal Engine game, generates a full C++ SDK (headers for engine classes, functions, and … | 95 | 2318 | active |
| jgaeddert/liquid-dsp liquid-dsp is a free and open-source digital signal processing library written in C, designed specifically for software-defined radios on e… | 94 | 2317 | stable |
| usertour/usertour Usertour is an open-source, self-hostable user onboarding platform for creating in-app product tours, checklists, surveys, banners, and ann… | 86 | 2315 | active |
| gbdk-2020/gbdk-2020 GBDK-2020 is a cross-platform development kit for retro gaming consoles including the Nintendo Game Boy, NES, and Sega Master System/Game G… | 73 | 2315 | active |
| pyusb/pyusb PyUSB is a Python library providing easy, backend-neutral access to the host machine's USB system via libusb 1.0, libusb 0.1, or OpenUSB ba… | 61 | 2312 | stable |
| rsta2/circle Circle is a C++ bare metal programming environment for the Raspberry Pi, providing ready-tested classes and add-on libraries to control har… | 75 | 2311 | active |
| auth0/nextjs-auth0 The Auth0 Next.js SDK is a TypeScript library for adding user authentication to Next.js applications via Auth0. It handles sign-in, sign-ou… | 98 | 2310 | active |
| apache/mahout Apache Mahout is an Apache Software Foundation project providing Qumat, a high-level Python library for quantum computing with a unified AP… | 84 | 2310 | active |
| financial-datasets/mcp-server A Model Context Protocol (MCP) server that exposes the Financial Datasets stock market API to AI assistants like Claude Desktop. It provide… | 28 | 2307 | active |
| matrix-org/matrix-rust-sdk A collection of Rust crates implementing the Matrix Client-Server SDK, handling low-level details like encryption, syncing, and room state.… | 96 | 2303 | active |
| JSBSim-Team/jsbsim JSBSim is an open-source, object-oriented flight dynamics model (FDM) written in C++ that simulates the nonlinear 6-DoF motion of aircraft … | 95 | 2303 | stable |
| Azure/azure-sdk-for-js The official Azure SDK for JavaScript and TypeScript, providing client libraries for consuming Azure services and management libraries for … | 96 | 2302 | active |
| gnss-sdr/gnss-sdr An open-source software-defined GNSS (Global Navigation Satellite System) receiver implemented in C++ on top of GNU Radio. It processes raw… | 88 | 2302 | active |
| asuojun/claude-vision-skill A small JavaScript skill/script that gives vision-less LLM setups (like Claude Code with DeepSeek) image understanding by sending images to… | 55 | 2296 | active |
| libusb/hidapi HIDAPI is a cross-platform C library for communicating with USB and Bluetooth HID-class devices on Windows, Linux, FreeBSD, macOS, and Andr… | 67 | 2290 | stable |
| googleapis/google-api-python-client The official Python client library for Google's discovery-based APIs, providing simple and flexible access to many Google APIs with built-i… | 98 | 8943 | maintenance |
| NEORV32 RISC-V Processor NEORV32 is a customizable 32-bit RISC-V soft-core CPU and microcontroller-like SoC written in platform-independent VHDL. It bundles the CPU… | 97 | 2283 | active |
| stevengj/nlopt NLopt is a C library providing a unified interface to many free/open-source algorithms for nonlinear local and global optimization, with or… | 85 | 2283 | stable |
| AcademySoftwareFoundation/MaterialX MaterialX is an open standard and C++/Python library for representing and exchanging rich material and look-development content across comp… | 81 | 2282 | stable |
| mathoudebine/turing-smart-screen-python An unofficial Python system monitor and abstraction library for small IPS USB-C smart displays such as the Turing Smart Screen / TURZX. It … | 88 | 2279 | active |
| kubernetes-client/javascript The official Kubernetes client library for JavaScript/TypeScript, usable from Node.js server-side code. It provides typed API clients for a… | 92 | 2275 | active |
| Apache RocketMQ Apache RocketMQ Spring Integration is a Spring Boot starter that lets Java developers quickly integrate RocketMQ messaging into Spring appl… | 78 | 2273 | active |
| NVIDIA-NeMo/labs-OO-Agents NVIDIA Object Oriented Agents (NOOA) is a model-agnostic Python framework for building AI agents where state, tools, prompts, and typed int… | 78 | 2273 | active |
| RosettaCommons/RoseTTAFold RoseTTAFold is the official implementation of a deep learning system for predicting protein structures and interactions using a three-track… | 23 | 2269 | stable |
| Amazon SageMaker Containers & SDK The SageMaker Python SDK is an open-source Python library for training and deploying machine learning models on Amazon SageMaker. It suppor… | 94 | 2268 | active |
| Caligatio/jsSHA jsSHA is a pure TypeScript/JavaScript library implementing the complete SHA hash family (SHA-1, SHA-2, SHA-3, SHAKE, cSHAKE, KMAC) plus HMA… | 79 | 2266 | stable |
| Nethereum Nethereum is the .NET integration platform for Ethereum and EVM-compatible blockchains, offering 130+ NuGet packages covering RPC access, s… | 82 | 2260 | active |
| Seaport Seaport is a Solidity-based marketplace protocol for safely and efficiently buying and selling NFTs, with listings composed of arbitrary of… | 64 | 2254 | active |
| russhwolf/multiplatform-settings A Kotlin Multiplatform library providing a common API for persisting simple key-value data across platforms like Android, iOS, JVM, JS, and… | 37 | 2254 | stable |
| pay-rails/pay Pay is a payments engine (Rails engine gem) for Ruby on Rails 6.0+ that standardizes integration with payment processors like Stripe, Brain… | 97 | 2252 | active |
| FormidableLabs/react-native-app-auth A React Native bridge around the native AppAuth-iOS and AppAuth-Android SDKs for communicating with OAuth 2.0 and OpenID Connect providers.… | 94 | 2252 | active |
| bluealloy/revm Revm is a highly efficient and stable Rust implementation of the Ethereum Virtual Machine (EVM). It serves both as a transaction executor f… | 94 | 2248 | stable |
| NLua NLua is a .NET library that bridges the Lua scripting language with C#/.NET, allowing Lua code to be executed from .NET applications and .N… | 80 | 2245 | stable |
| typelevel/cats-effect Cats Effect is a high-performance, purely functional asynchronous runtime for Scala built around the IO monad and a typeclass hierarchy def… | 96 | 2240 | stable |
| Torann/laravel-geoip A Laravel package that determines the geographical location and currency of website visitors based on their IP addresses. It supports multi… | 64 | 2238 | stable |
| Airtable/airtable.js The official JavaScript client library for the Airtable REST API, usable in Node.js and browsers. It lets you read, create, update, and del… | 30 | 2229 | stable |
| dromara/x-file-storage A Java library (part of the Dromara ecosystem) that lets developers store files to local disk, FTP/SFTP, WebDAV, and dozens of cloud object… | 56 | 2223 | active |
| apache/cordova-ios Apache Cordova iOS is the iOS platform layer of Apache Cordova, an open-source mobile development framework that packages HTML, CSS, and Ja… | 89 | 2221 | active |
| pvieito/PythonKit PythonKit is a Swift framework that lets Swift code interact with the Python runtime, importing Python modules and calling Python objects d… | 75 | 2220 | active |
| dedoc/scramble Scramble is a Laravel package that automatically generates OpenAPI 3.1.0 (Swagger) API documentation from your codebase without requiring P… | 95 | 2219 | active |
| vshymanskyy/TinyGSM TinyGSM is a small Arduino library for controlling GSM/GPRS/LTE cellular modems such as SIM800, SIM900, SIM7000, Quectel, u-blox, and XBee … | 61 | 2219 | active |
| Esri/arcgis-python-api The ArcGIS API for Python is a Pythonic library for working with maps, geospatial data, and web GIS, supporting spatial analysis, deep lear… | 89 | 2217 | active |
| wei/socialify Socialify is a web service that generates beautiful social preview images for GitHub repositories with live data. It offers customizable lo… | 95 | 2214 | active |
| ReaJason/xhs A Python SDK that wraps requests to the Xiaohongshu (Little Red Book) web platform for extracting data. It provides a programmatic client f… | 40 | 2213 | active |
| V-Modal AI SDKs VModal for Flutter is a Dart/Flutter SDK that adds multimodal video search (semantic, ASR, and OCR based) and streamed video uploads to And… | 57 | 2212 | active |
| aws/aws-sdk-cpp The official AWS SDK for C++, providing a modern C++11 interface to Amazon Web Services with low- and high-level clients. It is production-… | 98 | 2209 | stable |
| id-Software/quake2-rerelease-dll The official open-source game DLL code for the 2023 rerelease of Quake II, released by id Software under GPL-2.0. It combines the original … | 29 | 2207 | stable |
| KnpLabs/php-github-api An object-oriented PHP wrapper for the GitHub REST (v3) and GraphQL (v4) APIs, built on PSR-18 HTTP clients via HTTPlug. It is extensively … | 81 | 2204 | stable |