Library

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A library is a collection of preprogrammed templates that implement a behavior when invoked. Libraries are well-defined and are designed for reuse throughout implementation. For example, a website may have multiple webpages that implement the same navigation bar or text-field, but none of these objects have relation to one another.

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facebook /react

Star240k

The library for web and native user interfaces.

react javascript library ui frontend declarative

UpdatedOct 7, 2025
JavaScript

ocornut /imgui

Star68.6k

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

api gamedev multi-platform gui library framework ui tools cplusplus native game-engine toolkit imgui immediate-gui game-development

UpdatedOct 7, 2025
C++

curl /curl

Sponsor

Star39.5k

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

c http mqtt client ldap library user-agent curl https websocket ftp sftp libcurl scp pop3 gopher transfer-data hacktoberfest imaps transferring-data

UpdatedOct 7, 2025
C

ccxt /ccxt

Star39.1k

A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go

api bot library crypto bitcoin trading ethereum cryptocurrency exchange market-data strategy btc cryptocurrencies trade eth arbitrage altcoin merchant invest memecoin

UpdatedOct 7, 2025
Python

acheong08 /ChatGPT

Sponsor

Star28k

Reverse engineered ChatGPT API

cli library pypi-package chatgpt gptchat revchatgpt gpt-35-turbo

UpdatedAug 2, 2023
Python

heroui-inc /heroui

Star26.9k

🚀 Beautiful, fast and modern React UI library. (Previously NextUI)

components library reactjs component-library

UpdatedOct 7, 2025
TypeScript

mojs /mojs

Star18.7k

The motion graphics toolbelt for the web

javascript svg design library webpack web modern es6 timeline animation shape graphics motion burst motion-graphics swirl toolbelt mojs mo-js

UpdatedFeb 5, 2025
CoffeeScript

framework7io /framework7

Star18.5k

Full featured HTML framework for building iOS & Android apps

android components ios cordova library mobile framework material material-design touch phonegap

UpdatedOct 7, 2025
JavaScript

hypermodeinc /badger

Star15.1k

Fast key-value DB in Go.

go golang library database key-value ssd document-database

UpdatedOct 5, 2025
Go

OpenGenus /cosmos

Star13.7k

World's largest Contributor driven code dataset | Used in Quark Search Engine,@OpenGenus IQ, OpenGenus Visual Project

library algorithm internship datastructures sorting-algorithms interview-questions internships search-algorithms hacktoberfest offline-app opengenus hacktoberfest-accepted hacktoberfest2022 hacktoberfest2023 hacktoberfest2024

UpdatedOct 5, 2024
C++

webview /webview

Star13.4k

Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

javascript css c html gtk gui library web webview cross-platform cpp webkit webui single-header-lib webview2

UpdatedSep 11, 2025
C++

QuestPDF /QuestPDF

Sponsor

Star13.4k

Generate and edit PDF documents in your .NET applications using the open-source QuestPDF library and its C# Fluent API. Build invoices, reports and data exports with ease.

html c-sharp export pdf library nuget report dotnet-core generation invoice