An open API service indexing awesome lists of open source software.

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IRC

irc is a chat software to real-time talk on the internet.

irc-network irc-website irc-chat internet-relay-chat chat website

2,358 repositories - en.wikipedia.org/wiki/IRC

Universal Windows Platform

An API for creating apps that run on Windows 10, Windows 10 Mobile, Xbox One and HoloLens.

2,357 repositories - en.wikipedia.org/wiki/Universal_Windows_Platform

Obsidian

Obsidian is a note taking app that edits locally stored Markdown files.

2,353 repositories - github.com/obsidianmd

Media Queries

Media Queries can target browsers by certain characteristics, features, and user prefs, apply styles, or run other related code.

media-query responsive-design container-queries client-hints css-breakpoints css-viewport

2,350 repositories - en.wikipedia.org/wiki/Media_queries

Fedora

Fedora Linux is a free and open source Linux distribution that is designed to be on the leading edge of open source technologies.

fedora-workstation fedoraworkstation fedoralinux fedora-linux linux silverblue dnf rhel

2,347 repositories - en.wikipedia.org/wiki/Fedora_Linux

Low code

Developing software with minimal coding experience using visual interfaces and pre-built components.

2,329 repositories - en.wikipedia.org/wiki/Low-code_development_platform

Chai

Chai is a BDD/TDD assertion library for node and the browser.

chaijs tdd bdd javascript nodejs mocha jest qunit assert

2,313 repositories - github.com/chaijs

Appwrite

Appwrite is an open-source, developer infrastructure platform for building web, mobile, and AI apps.

appwrite-io appwriteio vue react flutter docker backend api serverless self-hosted firebase cloud

2,274 repositories - github.com/appwrite/appwrite

CSS Framework

CSS Frameworks usually offer one or more stylesheets with basic styling/generic components, and many of them use preprocessors.

css bootstrap tailwind zurb-foundation

2,269 repositories - en.wikipedia.org/wiki/CSS_framework

Astrophysics

Astrophysics is the study of the physics of astronomical objects and processes.

astronomy physics cosmology

2,232 repositories - en.wikipedia.org/wiki/Astrophysics

Crystal

Crystal is a self-hosted, general purpose programming language.

2,226 repositories - en.wikipedia.org/wiki/Crystal_(programming_language) - github.com/crystal-lang

VBA

VBA (Visual Basic for Applications) is an implementation of Visual Basic (classic) for Microsoft Office applications.

vba7 visual-basic-for-applications vba-macros language visual-basic-6 vba-excel vba-word vba-access vba-powerpoint vba-cad

2,214 repositories - en.wikipedia.org/wiki/Visual_Basic_for_Applications

Point cloud

A point cloud is a set of data points in space representing a 3D shape or object.

pointcloud pointclouds 3d-point-clouds 3d lidar mesh

2,170 repositories - en.wikipedia.org/wiki/Point_cloud

XAMPP

XAMPP is the combination of the Apache web server, the MySQL database and scripting languages.

2,169 repositories - de.wikipedia.org/wiki/XAMPP

WebView

A browser engine contained within an application.

webkit kde chromium apple google web browser html css js

2,167 repositories - en.wikipedia.org/wiki/WebView

puzzle-game

A genre of video game.

2,159 repositories - en.wikipedia.org/wiki/Puzzle_video_game

Contentful

Contentful provides a content infrastructure that enables teams to power content in any digital product.

cms content-delivery

2,146 repositories - github.com/contentful

browser-game

A genre of video game.

2,128 repositories - en.wikipedia.org/wiki/Browser_game

No-code

A category of tools that enable both technical and non-technical users to create software without using code.

nocode low-code

2,126 repositories - en.wikipedia.org/wiki/No-code_development_platform

Chromium

Chromium is an open-source browser project that aims to build a safer, faster, and more stable way to experience the web.

chrome google web browser

2,124 repositories - en.wikipedia.org/wiki/Chromium_(web_browser) - github.com/chromium/chromium

Zip

Zip is an archive format that stores files and their directory structure.

7zip gzip zlib

2,122 repositories - en.wikipedia.org/wiki/ZIP_(file_format)

RSpec

rspec is a DSL for behaviour driven development for Ruby.

tdd bdd cucumber minitest gherkin relish domain-specific-language jmock capybara ruby

2,120 repositories - en.wikipedia.org/wiki/RSpec - github.com/rspec

Anki

Anki is a free and open-source flashcard program that utilizes spaced repetition.

2,100 repositories - en.wikipedia.org/wiki/Anki_(software) - github.com/dae/anki

FabricMC

Next generation, highly modular and open Minecraft modding API.

fabric fabric-mod fabricmc-mod minecraft-fabric-mod minecraft-fabric minecraft minecraft-mod

2,089 repositories - github.com/FabricMC/

Nostr

Nostr is a decentralized network protocol for a distributed social networking system.

decentralized protocol social-network

2,083 repositories - en.wikipedia.org/wiki/Nostr

NASA

The National Aeronautics and Space Administration (NASA) is a government agency responsible for space research and development.

2,065 repositories - en.wikipedia.org/wiki/NASA - github.com/nasa

Clash

A rule-based tunnel in Go.

2,063 repositories - github.com/Dreamacro/clash

Livewire

Livewire is a is a full-stack framework for Laravel that utilizes SSR and AJAX..

laravel-livewire laravel ajax htmx ssr laravel-blade alpinejs laravel-echo inertiajs nuxtjs nextjs

2,055 repositories - github.com/livewire/livewire

Oracle Database

Oracle Database is a multi-model database management system produced and marketed by Oracle Corporation.

oracle-db oracle database sql

2,051 repositories - en.wikipedia.org/wiki/Oracle_Database - github.com/oracle

Test coverage

Coverage is the percentage of your project being covered by—depending on the perspective—code or tests.

code-coverage test-coverage path-coverage line-coverage branch-coverage automated-testing coverage-report serenity-bdd cicd

2,042 repositories

Spreadsheet

A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form.

spreadsheets google-sheets excel gnumeric openoffice-calc libreoffice-calc office-suite

2,016 repositories - en.wikipedia.org/wiki/Spreadsheet

Agile

Agile is a software development methology, popularized in the 2001 Manifesto for Agile Software Development.

agile-development agile-software-development kanban scrum kanboard project-management agile-testing okr extreme-programming feature-driven-development tdd waterfall-model

1,999 repositories - en.wikipedia.org/wiki/Agile_software_development

EEG

Electroencephalography (EEG) - a method for non-invasive recording of brain activity.

1,994 repositories - en.wikipedia.org/wiki/Electroencephalography

ClojureScript

ClojureScript is a compiler for Clojure that targets JavaScript.

cljs clojure clj language

1,981 repositories - github.com/clojure/clojurescript

Single sign-on (SSO)

Single sign-on is an auth scheme that allows a user to log in with a single ID to related, yet independent, software systems.

single-sign-on openid oidc saml active-directory smart-card jwt social-login

1,930 repositories

Phaser

Phaser is a fun, free, and fast 2D game framework for making HTML5 games for desktop and mobile web browsers.

1,924 repositories - github.com/phaserjs/phaser

Tree-sitter

Tree-sitter is an incremental parsing library.

1,917 repositories - github.com/tree-sitter/tree-sitter

quarto

Quarto is an open-source scientific and technical publishing system built on Pandoc.

quarto-pub pandoc pdf pdf-editor document-management publishing quarto-extension quarto-template markdown rmarkdown

1,913 repositories

LÖVE

2D game framework based on Lua.

1,912 repositories - en.wikipedia.org/wiki/L%C3%96VE_(game_framework) - github.com/love2d

Common Lisp

Common Lisp is a multi-paradigm programming language in the Lisp language family.

lisp language

1,892 repositories - en.wikipedia.org/wiki/Common_Lisp

Simple DirectMedia Layer

SDL is a cross-platform development library providing low level access to audio, keyboard, mouse, joystick, and graphics hardware.

libsdl sdl2 sdl3 game-engine game-development

1,869 repositories - en.wikipedia.org/wiki/Simple_DirectMedia_Layer - github.com/libsdl-org

Edge

Edge is a cross-platform web browser created and developed by Microsoft.

microsoft-edge edge-browser chrome firefox safari opera browser

1,864 repositories - en.wikipedia.org/wiki/Microsoft_Edge

Shadowsocks

A fast tunnel proxythat helps you bypass firewalls.

ss shadowsocksr ssr v2ray clash trojan

1,855 repositories - en.wikipedia.org/wiki/Shadowsocks - github.com/shadowsocks/shadowsocks

Climate change

Global warming driven by human emissions of greenhouse gases, and the resulting large-scale shifts in weather patterns.

1,838 repositories - en.wikipedia.org/wiki/Climate_change - github.com/topics/climate-change

World of Warcraft

World of Warcraft (WoW) is a massively multiplayer online role-playing game.

world-of-warcraft wow-retail wow-classic retail-wow classic-wow warcraft addon

1,826 repositories - en.wikipedia.org/wiki/World_of_Warcraft

MkDocs

MkDocs is a static site generator that's focused on project documentation.

1,805 repositories - github.com/mkdocs/mkdocs/

TeX

TeX is a typesetting system used in the production of technical books and papers.

1,792 repositories - en.wikipedia.org/wiki/TeX

Meteor

MeteorJS is a partly proprietary, mostly free and open-source isomorphic JavaScript web framework written using Node.js.

meteorjs mongodb vulcanjs pubsub

1,774 repositories - en.wikipedia.org/wiki/Meteor_(web_framework) - github.com/meteor

Product Management

Product management is the planning, production, marketing, and tasks related to the creation and distribution of a product.

1,762 repositories - en.wikipedia.org/wiki/Product_management

Autohotkey

autohotkey is custom script for macro-commands creation.

auto-hotkey ahk-script autohotkeys hotkey macro script

1,757 repositories - github.com/AutoHotkey/AutoHotkey

WebExtension

Universal standard for creating add-ons that allow users to customize their web browser.

webextensions web-extension web-extensions browserext w3c browser firefox firefox-extension chrome chrome-extension mozilla opera edge

1,744 repositories

arcade

A genre of video game.

arcade-game mame retro-game

1,740 repositories - en.wikipedia.org/wiki/Arcade_game

Reconnaissance

Reconnaissance refers to the process of gathering information about a target system, network, or organization.

osint

1,730 repositories - en.wikipedia.org/wiki/Reconnaissance

Regular expression

A regular expression is a sequence of characters that specifies a match pattern in text.

regex regexp regular-expressions pattern-matching wildcard glob grep awk sed

1,717 repositories - en.wikipedia.org/wiki/Regular_expression

Fuzzing/Fuzz testing

Fuzzing is a testing technique that evaluates the program's reaction to providing invalid, unexpected, or random data as inputs.

fuzz-testing api-fuzzing stress-testing fault-injection monkey-testing random-testing security-testing test-automation mutation-testing cicd black-box-testing

1,709 repositories - en.wikipedia.org/wiki/Fuzzing

Kivy

Kivy is an open source Python UI framework for rapid development of applications that make use of innovative user interfaces.

kivy-framework kivy-application kivy-language kivy-widget python-kivy kivy-garden kivymd

1,709 repositories - en.wikipedia.org/wiki/Kivy_(framework) - github.com/kivy/kivy

MEAN

MEAN is a source-available JavaScript solution stack that consists of MongoDB, Express.js, Angular.js/Angular, and Node.js.

mean mern mevn meen mongodb expressjs angularjs angular nodejs javascript

1,703 repositories - en.wikipedia.org/wiki/MEAN_(solution_stack)

Semantic Web

The Semantic Web is an extension of the World Wide Web to make Internet data machine-readable.

semantic-html rdf linked-data microformats microdata

1,702 repositories - en.wikipedia.org/wiki/Semantic_Web

Puppet

Puppet is a powerful and operating system agnostic configuration management tool.

devops config automation

1,674 repositories - en.wikipedia.org/wiki/Puppet_(software) - github.com/puppetlabs

Mastodon

Mastodon is a free, decentralized, open source microblogging network.

activitypub fediverse microblog social-network webfinger

1,651 repositories - en.wikipedia.org/wiki/Mastodon_(software) - github.com/mastodon

Netty

Netty is an asynchronous event-driven network application framework.

mina grizzly

1,648 repositories - en.wikipedia.org/wiki/Netty_(software) - github.com/netty/netty

IoC (Disambiguation)

IoC can either mean "Inversion of Control" or "Indicator of Compromise", depending on the context.

inversion-of-control indicator-of-compromise

1,639 repositories

eBPF

eBPF is a technology that can run sandboxed programs in a privileged context such as the operating system kernel.

1,628 repositories - en.wikipedia.org/wiki/EBPF

Stylus (Disambiguation)

Stylus can either refer to the stylus style sheet language or the stylus browser extension.

stylus-css stylus-ext stylish

1,623 repositories - en.wikipedia.org/wiki/Stylus_(disambiguation)

ECMAScript

ECMAScript is the language standard behind JavaScript and other, similar languages.

es6 ecma-262 javascript js actionscript jscript qtscript inscript google-apps-script nodejs

1,616 repositories - en.wikipedia.org/wiki/ECMAScript - github.com/tc39

Windows Subsystem for Linux

Run Linux apps natively on Windows.

1,614 repositories - en.wikipedia.org/wiki/Windows_Subsystem_for_Linux

Racket

Racket is a general-purpose programming language and system for language-oriented programming.

rkt racket-lang racket-language racketscript urlang drracket language typed-racket

1,594 repositories - en.wikipedia.org/wiki/Racket_(programming_language) - github.com/racket

Retrocomputing

The use of historic computer hardware or software.

1,558 repositories - en.wikipedia.org/wiki/Retrocomputing

Eleventy

A simple static site generator for JavaScript.

11ty static-site-generator jekyll hugo hexo gatsby nuxt nextjs bridgetown astrojs sveltekit

1,547 repositories - github.com/11ty

Barcode

A barcode is a method of representing data in a visual, machine-readable form.

barcodes bar-code qr-code scanning data-collection inventory-management

1,537 repositories - en.wikipedia.org/wiki/Barcode

Game Boy

The Game Boy was a line of handheld gaming devices created and sold by Nintendo.

gb gba gbc gameboy-color gameboy-advance assembly cartridge game-dev retrogaming nintendo

1,535 repositories - en.wikipedia.org/wiki/Game_Boy

Bevy

A refreshingly simple data-driven game engine built in Rust.

rust game-engine gamedev

1,508 repositories - github.com/bevyengine/bevy

Qiskit

Qiskit is a framework for quantum computing and quantum information science.

qiskit-sdk qiskit-addon ibm-qiskit qiskit-ibm-sdk quantum-computing quantum-programming quantum-information sdk

1,507 repositories - en.wikipedia.org/wiki/Qiskit - github.com/Qiskit/

Continuous Delivery (CD)

Continuous delivery is a software engineering approach in which teams produce software in short cycles without doing so manually.

ci-cd cicd continuous-deployment continuous-integration

1,502 repositories - en.wikipedia.org/wiki/Continuous_delivery

Ember

Ember is a framework for creating web applications.

emberjs javascript angular vue react svelte backbone

1,499 repositories - en.wikipedia.org/wiki/Ember.js - github.com/emberjs

CD (Disambiguation)

CD can either mean "continuous deployment" or "Continuous delivery".

continuous-deployment continuous-delivery continuous-integration cicd devops

1,496 repositories

Haxe

A metalanguage resembling ECMAScript which can be transpiled into a variety of languages.

hx hxml javascript python java actionscript c-plus-plus csharp php lua

1,491 repositories - en.wikipedia.org/wiki/Haxe - github.com/HaxeFoundation

Nextcloud

Nextcloud is an open source software project providing file sync and online collaboration services that can be hosted privately.

1,486 repositories - en.wikipedia.org/wiki/Nextcloud - github.com/nextcloud

Sketch

Sketch is a vector graphics editor for Apple's macOS, used primarily for user interface and icon design.

1,469 repositories - en.wikipedia.org/wiki/Sketch_(application) - github.com/BohemianCoding

MLX

An array framework for Apple silicon.

1,429 repositories

IntelliJ IDEA

IntelliJ IDEA is an integrated development environment written in Java for developing computer software.

intellij ide pycharm java kotlin scala groovy

1,421 repositories - en.wikipedia.org/wiki/IntelliJ_IDEA - github.com/JetBrains/intellij-community

Typst

Typst is a markup-based typesetting system.

typst-canvas typst-cv typst-package typst-plugin typst-template latex tex

1,419 repositories - github.com/typst

watchOS

watchOS is the operating system for the Apple Watch line of products.

1,418 repositories - en.wikipedia.org/wiki/WatchOS

Publishing

Publishing is the dissemination of making information available to the general public through various mediums.

1,417 repositories - en.wikipedia.org/wiki/Desktop_publishing

Molecular Dynamics

Molecular dynamics (MD) is a computer simulation method for analyzing the physical movements of atoms and molecules.

molecular-dynamics-simulation computational-chemistry computational-biology computational-physics

1,390 repositories - en.wikipedia.org/wiki/Molecular_dynamics

Computational Fluid Dynamics (CFD)

Use numerical algorithms to solve and analyze problems involving fluid flows.

1,386 repositories - en.wikipedia.org/wiki/Computational_fluid_dynamics

RISC-V

RISC-V (risk-five) is an open standard instruction set architecture (ISA) based on reduced instruction set computer (RISC).

1,377 repositories - en.wikipedia.org/wiki/riscv

satellite

An object intentionally placed into orbit in outer space for a variety of uses.

space geospatial science

1,372 repositories - en.wikipedia.org/wiki/Satellite

VRChat

VRChat is an immersive virtual reality social platform.

udon unity

1,371 repositories - en.wikipedia.org/wiki/VRChat - github.com/VRChat

tvOS

tvOS is the operating system used in the Apple TV line of products since the fourth generation model.

1,369 repositories - en.wikipedia.org/wiki/TvOS

Continuous Deployment (CD)

Continuous deployment is a approach in which functionalities are delivered frequently through automated deployments.

ci-cd cicd continuous-delivery continuous-integration

1,358 repositories - en.wikipedia.org/wiki/Continuous_deployment

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