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 |
|---|---|---|---|
| markus-wa/demoinfocs-golang A fast, feature-complete Go library for parsing and analyzing Counter-Strike 2 and CS:GO demo (replay) files, based on Valve's demoinfogo t… | 91 | 1071 | active |
| madsmtm/objc2 Rust bindings to the Objective-C runtime and Apple frameworks (Foundation, AppKit, UIKit, Metal, etc.), enabling safe bi-directional intero… | 77 | 1071 | active |
| paulocoutinhox/pdfium-lib A build project that compiles Google's PDFium PDF rendering library for multiple platforms including iOS, Android, macOS, and WebAssembly. … | 95 | 1070 | active |
| generaltranslation/gt General Translation (GT) is a suite of open-source i18n libraries and a CLI that internationalize React, Next.js, Vue, and React Native app… | 86 | 1070 | active |
| gopcua/opcua A native Go implementation of the OPC/UA Binary Protocol for industrial automation communication. It provides client and server functionali… | 96 | 1069 | active |
| smartParsePro smartParsePro is an offline JavaScript library for parsing Chinese addresses, extracting province, city, county, street, detail address, na… | 62 | 1069 | active |
| cuOpt NVIDIA cuOpt is a GPU-accelerated optimization engine for linear programming, quadratic programming, mixed integer programming, and vehicle… | 83 | 1067 | active |
| adafruit/Adafruit_Sensor Adafruit Unified Sensor is an Arduino/C++ abstraction layer providing a common Adafruit_Sensor base class and standardized sensors_event_t … | 66 | 1067 | stable |
| amro/gibbon Gibbon is a Ruby gem that wraps MailChimp's Marketing API, exposing its resources through chainable request objects with CRUD verbs. It ret… | 71 | 1065 | active |
| zigpy Zigpy is a Python library implementing a Zigbee stack, and zha-device-handlers provides custom 'quirks' that bridge non-standard Zigbee dev… | 98 | 1064 | active |
| kordlib/kord Kord is a coroutine-based, modular Kotlin library implementing the Discord API for building bots on Kotlin/JVM and Kotlin/JS. It provides m… | 82 | 1063 | active |
| getpaykit/paykit PayKit is an open-source embedded billing framework for TypeScript applications that lets you define plans, features, and metered usage in … | 80 | 1063 | active |
| E-xyza/zigler Zigler is an Elixir (and experimental Erlang) library that makes it easy to write Zig-based NIFs (Native Implemented Functions) for the BEA… | 78 | 1063 | active |
| datenwolf/linmath.h A lean, header-only C library providing linear math types for graphics programming: vec3, vec4, mat4x4, and quaternions. Types are named to… | 32 | 1063 | stable |
| auth0/auth0.js Auth0's client-side JavaScript SDK for browser-based authentication and authorization against the Auth0 platform. It provides WebAuth, Auth… | 91 | 1062 | active |
| lmbelo/python4delphi Python4Delphi (P4D) is a set of free Delphi and Lazarus (FPC) components that wrap the Python DLL, enabling execution of Python scripts, cr… | 44 | 1062 | stable |
| SHWotever/SimHub SimHub is a Windows application that extends racing and flight simulators with custom dashboards, overlays, haptic feedback (bass shakers, … | 92 | 1061 | active |
| ESP-Hosted ESP-Hosted is an open-source solution that lets Espressif SoCs like the ESP32 act as wireless communication co-processors, adding Wi-Fi and… | 79 | 1061 | active |
| mrsanshui/WeChatPYAPI A Python API built on top of the PC WeChat client that lets developers programmatically control WeChat via Python or HTTP calls. It enables… | 75 | 1061 | active |
| stripe-samples/checkout-one-time-payments An official Stripe sample demonstrating how to integrate Stripe Checkout to collect one-time payments via a hosted payment page. It include… | 67 | 1061 | active |
| awa/go-iap go-iap is a Go library for verifying in-app purchase receipts across the Apple App Store, Google Play Store, Amazon AppStore, Huawei HMS, a… | 97 | 1060 | active |
| QZ Tray QZ Tray is a cross-browser, cross-platform desktop plugin that lets web pages send documents (PDF, HTML, images) and raw printer commands (… | 85 | 1060 | active |
| godot-rust (gdnative) gdnative provides Rust language bindings for the Godot 3 game engine, letting you write game logic, editor plugins, and other Godot applica… | 10 | 3618 | maintenance |
| AWS IoT Device SDK for Embedded C AWS's official C SDK for connecting embedded devices to AWS IoT, composed of modular libraries like coreMQTT, coreHTTP, coreJSON, and coreP… | 54 | 1058 | active |
| rhomobile/rhodes Rhodes is an open-source cross-platform mobile application framework for building locally executing, device-optimized native apps using web… | 47 | 1058 | active |
| trezor/trezor-suite Trezor Suite is the official desktop, web, and mobile application for managing Trezor hardware wallets, enabling users to send, receive, bu… | 94 | 1055 | active |
| psoho/fast-poster fastposter is a self-hostable poster/image generation service with a drag-and-drop web editor for composing text, images, QR codes, and ava… | 28 | 1055 | active |
| getditto/safer_ffi safer_ffi is a Rust framework for writing foreign function interfaces without polluting code with unsafe blocks. It provides attribute macr… | 55 | 1054 | active |
| pond3r/ggpo GGPO is a C++ SDK that implements rollback networking, using input prediction and speculative execution to give online multiplayer games th… | 32 | 3592 | maintenance |
| react-native-webrtc/react-native-callkeep A React Native library that wraps iOS CallKit and Android ConnectionService to give VoIP apps native call UI and system call integration. I… | 65 | 1051 | active |
| korginc/logue-sdk The logue SDK is KORG's official software development kit for building custom oscillators, synths, and effects ('units') for prologue, mini… | 65 | 1049 | active |
| espressif/ESP8266_RTOS_SDK Espressif's official FreeRTOS-based software development kit for the ESP8266 chip, written in C and following the esp-idf style API. It pro… | 60 | 3576 | maintenance |
| abizovnuralem/go2_ros2_sdk An unofficial ROS2 SDK for the Unitree Go2 quadruped robot (AIR/PRO/EDU), connecting over WebRTC (Wi-Fi) or CycloneDDS (Ethernet). It provi… | 54 | 1048 | active |
| arsduo/koala Koala is a lightweight Ruby library for the Facebook Graph, Marketing, and Atlas APIs, including realtime updates, test users, batch reques… | 76 | 3572 | maintenance |
| bnb-chain/tss-lib A Go library implementing multi-party threshold signature schemes (TSS) for ECDSA and EdDSA, based on the Gennaro-Goldfeder CCS 2018 protoc… | 77 | 1047 | active |
| cosinekitty/astronomy Astronomy Engine is a multi-language library for calculating positions of the Sun, Moon, and planets, and predicting astronomical events li… | 23 | 1047 | stable |
| Yowkees/keyball Keyball is a family of open-source split keyboards featuring an integrated 100% trackball, including the Keyball39, Keyball44, and Keyball6… | 66 | 1045 | active |
| FreeJoy FreeJoy is open-source firmware for the STM32F103C8 microcontroller that turns the board into a highly configurable USB HID game controller… | 63 | 1045 | active |
| clarkeash/doorman Doorman is a Laravel package that limits access to Laravel applications using invite codes. Invite codes can be tied to specific emails, ha… | 43 | 1045 | active |
| QuantumBFS/Yao.jl Yao is an extensible, efficient open-source framework for quantum algorithm design and quantum circuit simulation written in Julia. It prov… | 76 | 1043 | active |
| cvxopt/cvxopt CVXOPT is a free Python package for convex optimization, providing dense and sparse matrix classes, interfaces to BLAS/LAPACK/FFTW, and sol… | 58 | 1042 | stable |
| KeepLiveService KeepAlivePerfect is an Android process keep-alive library that revives killed app processes using JNI communication with the Binder framewo… | 75 | 1039 | active |
| MacGapProject/MacGap1 MacGap is an Objective-C Xcode project that wraps HTML/CSS/JS applications in a native macOS WebView, exposing a JavaScript API for OS X in… | 10 | 3533 | maintenance |
| google/google-api-javascript-client Google's official JavaScript client library (gapi) for accessing Google APIs from browser applications. It provides authentication, batchin… | 10 | 3531 | maintenance |
| tensorflow/hub TensorFlow Hub is a Python library for reusing parts of trained TensorFlow models (SavedModels) for transfer learning, wrapping them as Ker… | 23 | 3530 | maintenance |
| sunpy/sunpy SunPy is the community-developed open-source Python package for solar physics, providing a solar data analysis environment built on the sci… | 88 | 1035 | active |
| tempoxyz/tempo Tempo is a Rust-based blockchain purpose-built for stablecoin payments, built on the Reth EVM execution SDK with sub-second finality via Si… | 82 | 1034 | active |
| apple/swift-http-types Swift HTTP Types is an Apple-maintained Swift library providing version-independent HTTP request, response, and header field types usable b… | 87 | 1033 | active |
| instagram4j/instagram4j instagram4j is an object-oriented, reverse-engineered Instagram Private API client library for Java. It lets developers log in, post, messa… | 74 | 1033 | active |
| arduino-mcp2515 An Arduino library for interfacing with the MCP2515 stand-alone CAN controller over SPI. It implements CAN V2.0B at up to 1 Mb/s with suppo… | 51 | 1033 | stable |
| invertase/react-native-google-mobile-ads A React Native library wrapping the native Google Mobile Ads SDKs for iOS and Android, enabling app monetization through AdMob. It supports… | 100 | 1032 | active |
| openmls/openmls OpenMLS is a Rust implementation of the Messaging Layer Security (MLS) protocol as specified in RFC 9420. It is a library providing safe, e… | 95 | 1032 | active |
| rogchap/v8go v8go is a Go library providing bindings to the V8 JavaScript engine, allowing Go applications to execute JavaScript, create isolated VMs an… | 23 | 3499 | maintenance |
| 3dmol/3Dmol.js 3Dmol.js is an object-oriented, WebGL-accelerated JavaScript library for interactive molecular visualization in web browsers. It supports m… | 88 | 1028 | active |
| rsms/peertalk PeerTalk is an iOS and Mac Cocoa library for communicating over USB between an iOS device and a Mac. It provides USB device attach/detach e… | 32 | 3494 | maintenance |
| Chuyu-Team/YY-Thunks YY-Thunks is a C++ compatibility library that lets Windows applications run on older Windows versions like XP and 7 by automatically provid… | 94 | 1027 | active |
| OpenFFBoard Open FFBoard is open-source firmware for a universal force feedback interface and motor driver, designed for DIY simulation devices like di… | 89 | 1026 | active |
| vollib/vollib Vollib is a Python library for fast and accurate option pricing, implied volatility, and greeks calculations using Black, Black-Scholes, an… | 32 | 1024 | active |
| BottlecapDave/HomeAssistant-OctopusEnergy An unofficial Home Assistant custom integration for Octopus Energy UK accounts. It brings electricity and gas meter data, tariffs, intellig… | 97 | 1022 | active |
| SwiCago/HeatPump An Arduino library for controlling Mitsubishi heat pumps over the CN105 connector using serial communication. It lets microcontrollers like… | 32 | 1020 | active |
| Shopify/go-lua go-lua is a port of the Lua 5.2 virtual machine and compiler to pure Go, provided as a Go library for embedding Lua scripting into Go appli… | 75 | 3457 | maintenance |
| noble/noble Noble is a Node.js library for acting as a Bluetooth Low Energy (BLE) central device, enabling scanning, connecting to, and interacting wit… | 10 | 3456 | maintenance |
| coin-or/Cbc Cbc (Coin-or branch and cut) is an open-source mixed integer linear programming (MILP) solver written in C++. It can be used as a callable … | 96 | 1018 | active |
| uniswap-python/uniswap-python An unofficial Python client and wrapper for the Uniswap decentralized exchange, supporting v1 through v4 plus popular forks like Sushiswap … | 84 | 1018 | active |
| ctpbee/ctpbee ctpbee is a Python micro-framework for live and backtested futures trading via the CTP interface used by Chinese futures exchanges. It wrap… | 74 | 1018 | active |
| koute/stdweb stdweb is a Rust crate providing bindings to client-side Web APIs and interoperability between Rust and JavaScript, targeting WebAssembly a… | 32 | 3452 | maintenance |
| ekutner/home-connect-hass An alternative Home Connect integration for Home Assistant that connects BSH smart appliances (Bosch, Siemens, Constructa, Neff). It dynami… | 86 | 1016 | active |
| jhfmat/ISP-pipeline-hdrplus A C/C++ image processing library (Matlib) implementing a fast ISP pipeline with HDR+ multi-frame denoising, super-low-light processing, and… | 32 | 1016 | active |
| auth0/auth0-spa-js Auth0's official JavaScript SDK for adding authentication to Single Page Applications using the Authorization Code Grant flow with PKCE. It… | 98 | 1015 | active |
| spatie/calendar-links A PHP library that generates 'add to calendar' links for Google Calendar, iCal/ICS files, Outlook, and other calendar systems. It takes eve… | 84 | 1015 | active |
| gimli-rs/gimli gimli is a Rust library for reading and writing the DWARF debugging format. It is zero-copy, lazy, and works with any object file format, u… | 76 | 1015 | stable |
| gophercloud/gophercloud Gophercloud is a Go SDK for the OpenStack cloud platform, providing clients for OpenStack services such as Keystone identity, Compute, and … | 94 | 1014 | stable |
| leadedge/Spout2 Spout is a video frame sharing system for Microsoft Windows that lets applications share OpenGL and DirectX (9/11/12) textures between proc… | 87 | 1014 | stable |
| openid/AppAuth-JS AppAuth-JS is a TypeScript client SDK for OAuth 2.0 and OpenID Connect, designed for public clients following RFC 8252 best practices. It s… | 73 | 1014 | active |
| tinygo-org/bluetooth A cross-platform Bluetooth Low Energy (BLE) package for Go and TinyGo, supporting both BLE Central and Peripheral roles. It runs on Linux, … | 87 | 1012 | active |
| tapparelj/gr-lora_sdr A GNU Radio module implementing a fully functional software-defined radio LoRa transceiver in C++, covering complete transmit and receive c… | 56 | 1011 | active |
| danielpclark/rutie Rutie is a Rust library providing safe, idiomatic bindings to the Ruby VM, allowing you to embed Ruby in Rust or write Ruby native extensio… | 77 | 1009 | active |
| PaulRBerg/prb-math PRBMath is a Solidity library for advanced fixed-point arithmetic using signed SD59x18 and unsigned UD60x18 number formats with 18 decimals… | 90 | 1007 | stable |
| chipweinberger/flutter_blue_plus A Flutter plugin for discovering, connecting to, and communicating with Bluetooth Low Energy (BLE) devices. It supports Android, iOS, macOS… | 98 | 1006 | active |
| stripe/stripe-java The official Stripe Java client library for accessing the Stripe API, published on Maven Central. It provides typed models, request paramet… | 98 | 1006 | stable |
| adafruit/Adafruit_CircuitPython_Bundle A bundle of Adafruit's CircuitPython libraries packaged into a downloadable zip for easy installation onto CircuitPython microcontroller bo… | 94 | 1006 | active |
| theapache64/retrosheet A Kotlin Multiplatform library that turns Google Spreadsheets into JSON REST endpoints, letting apps read and write data through Google She… | 76 | 1006 | active |
| terricain/aioboto3 aioboto3 is a Python library that wraps boto3's high-level resource APIs with the aiobotocore async backend, letting you use AWS services l… | 54 | 1004 | active |
| mattiasw/ExifReader ExifReader is a JavaScript library that parses image files and extracts metadata such as Exif, IPTC, XMP, ICC, and MPF tags, plus embedded … | 100 | 1003 | stable |
| MangoAutomation/modbus4j modbus4j is a high-performance, easy-to-use Java implementation of the Modbus protocol supporting ASCII, RTU, TCP, and UDP transports in bo… | 58 | 1003 | stable |
| SciSharp/TensorFlow.NET TensorFlow.NET provides .NET Standard bindings for Google's TensorFlow, aiming to implement the complete TensorFlow API in C# and F#. It in… | 23 | 3395 | maintenance |
| asciimath/asciimathml A JavaScript library that translates calculator-style AsciiMath expressions on webpages into MathML for native browser rendering, with addi… | 70 | 1001 | active |
| arnesson/cordova-plugin-firebase A Cordova plugin that integrates Google Firebase features such as push notifications, analytics, event tracking, and crash reporting into h… | 32 | 1001 | active |
| mcohen01/amazonica Amazonica is a comprehensive Clojure client library wrapping the entire Amazon AWS API. It provides idiomatic Clojure access to hundreds of… | 43 | 1000 | active |
| hybridauth/hybridauth Hybridauth is an open-source PHP library for social sign-on that acts as an abstract API between your application and social identity provi… | 85 | 3383 | maintenance |
| nodejs/nan NAN (Native Abstractions for Node.js) is a header-only C++ library of macros and utilities that simplifies writing native Node.js add-ons t… | 75 | 3356 | maintenance |
| Uniswap/v2-core The core smart contracts of Uniswap V2, a decentralized exchange protocol on Ethereum. It contains the audited Solidity contracts for the a… | 70 | 3354 | maintenance |
| OAuthSwift OAuthSwift is a Swift framework implementing OAuth 1.0 and OAuth 2.0 client authentication for iOS and macOS apps. It provides URL-scheme-b… | 23 | 3330 | maintenance |
| KeepSafe/ReLinker ReLinker is a Java library for Android that provides a robust replacement for System.loadLibrary, fixing intermittent UnsatisfiedLinkError … | 23 | 3311 | maintenance |
| Instagram Private API A Python client library for Instagram's private (undocumented) app and web APIs, with no third-party dependencies. It exposes app-only feat… | 23 | 3311 | maintenance |
| UVCCamera An Android library (with sample apps) that lets non-rooted Android devices access UVC USB web cameras via native code built on libuvc/libus… | 32 | 3218 | maintenance |
| Symfony Polyfill A Symfony polyfill component that backports PHP 7.0 features such as intdiv, preg_replace_callback_array, random_bytes/random_int, and *Err… | 32 | 3185 | maintenance |
| thelinmichael/spotify-web-api-node A Node.js and browser client wrapper for Spotify's Web API, providing helper methods for tracks, albums, artists, playlists, user profiles,… | 10 | 3152 | maintenance |
| Alexa Skills Kit SDK The official Alexa Skills Kit SDK for Node.js, helping developers build Alexa voice skills quickly by handling request routing, session man… | 23 | 3136 | maintenance |
| vueuse/vue-demi Vue Demi is a compatibility utility that lets library authors write universal Vue libraries working with both Vue 2 and Vue 3 by redirectin… | 23 | 3130 | maintenance |