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

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GitLab

GitLab is a single application that spans the entire software development lifecycle.

github bitbucket

4,086 repositories - en.wikipedia.org/wiki/GitLab

Angular CLI

Angular CLI lets you manage Angular applications from the command line.

angular

4,074 repositories - github.com/angular/angular-cli

Medical imaging

Medical imaging tasks include methods for acquiring, processing, analyzing, and understanding tissue and organ images.

biological-imaging ultrasound-imaging imaging image-processing ultrasound x-ray

4,048 repositories - en.wikipedia.org/wiki/Medical_imaging

Google Maps

Google Maps is a web mapping platform and consumer application offered by Google.

maps google google-maps-api

4,042 repositories - en.wikipedia.org/wiki/Google_Maps - github.com/googlemaps/

Font

A font is a particular style of typeface for text.

4,030 repositories - en.wikipedia.org/wiki/Font

WeChat

Messaging and social media app developed by Tencent, offering instant messaging, video calls, mobile payments, and mini-programs.

3,862 repositories - en.wikipedia.org/wiki/WeChat

Malware

Any program or file that is intentionally harmful to a computer, network or server.

computer-malware virus security malware-analysis cyber-attack cyber-security system-tracking system-monitoring

3,850 repositories - en.wikipedia.org/wiki/Malware

OpenStreetMap

OpenStreetMap is a collaborative project to create a free editable map of the world.

collaborative-mapping mapillary mapbox

3,754 repositories - en.wikipedia.org/wiki/OpenStreetMap

Userscripts

A userscript is a kind of lightweight browser extension, used to modify webpages.

userjs greasemonkey tampermonkey violentmonkey webextension javascript

3,749 repositories - en.wikipedia.org/wiki/Userscript - github.com/greasemonkey/greasemonkey

Bukkit

Bukkit is a Minecraft server modification software.

spigot paper papermc craftbukkit minecraft

3,728 repositories - github.com/Bukkit/Bukkit

Code review

Ensure your code meets quality standards and ship with confidence.

review gerrit

3,691 repositories - en.wikipedia.org/wiki/Code_review

MicroPython

MicroPython is a lean and efficient implementation of Python, optimised to run on microcontrollers.

micro-python upython circuitpython cpython internet-of-things iot language microcontroller python

3,582 repositories - en.wikipedia.org/wiki/MicroPython - github.com/micropython

GitOps

GitOps is an operational framework that takes DevOps best practices and applies them to infrastructure automation.

devops winops git gitflow devsecops infrastructure-automation infrastructure-as-code containerization monitoring observability

3,568 repositories - en.wikipedia.org/wiki/gitops

SciPy

Scientific computing tools for Python.

scikit python

3,562 repositories - en.wikipedia.org/wiki/SciPy - github.com/scipy/scipy

Notion

Notion is an all-in-one workspace for notes, tasks, databases, and collaboration.

productivity note-taking project-management collaboration

3,544 repositories - en.wikipedia.org/wiki/Notion_(productivity_software) - github.com/NotionHQ

Erlang

Erlang is a general-purpose, concurrent, functional programming language, and a garbage-collected runtime system.

language elixir

3,518 repositories - en.wikipedia.org/wiki/Erlang_(programming_language) - github.com/erlang

Kotlin Multiplatform

Kotlin Multiplatform is a cross platform development framework developed by JetBrains.

kotlin

3,509 repositories

TLS (Transport Layer Security)

TLS is a cryptographic protocol designed to provide communications security over a computer network.

ssl https x509

3,500 repositories - en.wikipedia.org/wiki/Transport_Layer_Security

IPFS

IPFS is a peer-to-peer protocol for content-addressed sharing of data via a distributed file system.

3,480 repositories - en.wikipedia.org/wiki/InterPlanetary_File_System - github.com/ipfs/ipfs

PostCSS

PostCSS is a tool for transforming CSS with JavaScript. It can be used to develop a template language such as Sass and LESS.

sass less ast

3,459 repositories - en.wikipedia.org/wiki/PostCSS - github.com/postcss

Pixel Art

Pixel art is a form of digital art where images are created and edited at the pixel level.

pixelart pixel pixels sprite sprites spritesheet spritesheets

3,443 repositories - en.wikipedia.org/wiki/Pixel_art

Exploit

An exploit is a piece of code or technique used to take advantage of a security vulnerability.

exploits vulnerability-exploit hacking cybersecurity penetration-testing vulnerability-assessment

3,437 repositories - en.wikipedia.org/wiki/Exploit_(computer_security)

Atom

Atom is a open source text editor built with web technologies.

3,432 repositories - en.wikipedia.org/wiki/Atom_(text_editor) - github.com/atom

Emoji

Emojis are graphic symbols that represent an emotion, object, or concept.

3,431 repositories - en.wikipedia.org/wiki/Emoji

Nvidia

Nvidia designs graphics processing units (GPUs) for the gaming and professional markets.

nvidia-gpu cuda gpu

3,429 repositories - en.wikipedia.org/wiki/Nvidia - github.com/nvidia

Syntax Highlighting

A feature of text editors that displays text in different colors.

3,396 repositories - en.wikipedia.org/wiki/Syntax_highlighting

CodeIgniter

CodeIgniter is an open-source PHP rapid development web framework, for building dynamic web sites.

code-igniter codeigniter4 ci4 mvc hmvc rapid-development content-security-policy owasp routing php-framework

3,347 repositories - en.wikipedia.org/wiki/CodeIgniter - github.com/codeigniter4

BigQuery

BigQuery is a serverless (cloud) data warehouse with built-in machine learning, geospatial analysis, BI, and other capabilities.

bq cloud-computing

3,322 repositories - en.wikipedia.org/wiki/BigQuery/ - github.com/GoogleCloudPlatform/bigquery-utils/

Cucumber

Cucumber is a software tool that supports behavior-driven development.

bdd gherkin rspec behat behave

3,312 repositories - en.wikipedia.org/wiki/Cucumber_(software) - github.com/cucumber

Package manager

A package manager is a set of tools that automates and manages computer software.

3,289 repositories - en.wikipedia.org/wiki/Package_manager

Query (disambiguation)

The term query can either mean query-string or sql-query.

query-string sql-query

3,256 repositories

OCaml

OCaml is an implementation of the ML language, based on the Caml Light.

3,234 repositories - en.wikipedia.org/wiki/OCaml - github.com/ocaml/ocaml

Promise

A promise is an object returned by an asynchronous function, which represents the current state of the operation.

future async-await callback deferred coroutines fiber concurrency

3,182 repositories - en.wikipedia.org/wiki/Futures_and_promises

async/await

async/await allows an asynchronous, non-blocking function to be structured in a way similar to an ordinary synchronous function.

callback coroutines async promise future actor-model continuation-passing-style concurrent-computing

3,158 repositories - en.wikipedia.org/wiki/Async/await

PlatformIO

Your Gateway to Embedded Software Development Excellence.

pio embedded microcontroller build-system package-manager libraries ide avr arm risc-v rtos

3,096 repositories - github.com/platformio

Lisp

Lisp is the second-oldest high-level programming language in widespread use today.

commonlisp common-lisp quicklisp sbcl clojure scheme racket newlisp

3,078 repositories - en.wikipedia.org/wiki/Lisp_(programming_language)

Bug Bounty

Deal by which individuals can receive recognition and compensation for reporting bugs.

bug-bounty security penetration-testing pentesting pentest

3,056 repositories - en.wikipedia.org/wiki/Bug_bounty_program

OpenTelemetry

OpenTelemetry makes robust, portable telemetry a built-in feature of cloud-native software.

open-telemetry tracing metrics logging cloud-native observability distributed-tracing cncf

3,051 repositories - github.com/open-telemetry

JSON Schema

JSON Schema is a vocabulary that allows you to validate, annotate, and manipulate JSON documents.

jsonschema json api

3,038 repositories - github.com/json-schema-org

Unreal Engine

Unreal Engine is used to create awesome games, and experiences for PC, mobile, console, VR, and AR.

3,018 repositories - en.wikipedia.org/wiki/Unreal_Engine - github.com/EpicGames/

Domain-driven design (DDD)

Domain-driven design is a programming paradigm where code is separated into domains with distinct business logic.

ddd clean-architecture cqrs event-sourcing microservices

2,959 repositories - en.wikipedia.org/wiki/Domain-driven_design

Chemistry

Chemistry is the scientific study of substances, their structure, properties, and reactions.

2,919 repositories - en.wikipedia.org/wiki/Chemistry

Groovy

Apache Groovy is a Java-syntax-compatible object-oriented programming language for the Java platform.

grails java

2,898 repositories - en.wikipedia.org/wiki/Apache_Groovy - github.com/apache/groovy

Drupal

Drupal is a free and opensource web content management system written in PHP and distributed under the GNU General Public License.

2,893 repositories - en.wikipedia.org/wiki/Drupal - github.com/drupal

Code quality

Automate your code review with style, quality, security, and test‑coverage checks when you need them.

2,856 repositories

cURL

cURL is a software project providing a library and command-line tool for transferring data. The name stands for "Client for URL".

libcurl http-client

2,843 repositories - en.wikipedia.org/wiki/CURL - github.com/curl/curl

Cordova

A platform for building native mobile applications using HTML, CSS and JavaScript.

apache-cordova android ios mobile macos windows electron

2,826 repositories - en.wikipedia.org/wiki/Apache_Cordova - github.com/apache/cordova

Web Components

Web Components are a set of web platform APIs developers can use to create custom HTML tags.

webcomponent web-component webcomponents custom-elements shadow-dom es-modules html-templates html-imports

2,809 repositories - en.wikipedia.org/wiki/Web_Components - github.com/webcomponents

NuGet

NuGet is an open source package manager for Microsoft development platforms including .NET.

nuget-package dotnet

2,809 repositories - en.wikipedia.org/wiki/NuGet - github.com/NuGet

Wayland

Wayland is a replacement for the X11 window system protocol and architecture.

wayland-client wayland-compositor wayland-protocol wlroots

2,780 repositories - en.wikipedia.org/wiki/Wayland_(protocol)

ChatGPT API

ChatGPT API is a RESTful API that provides a simple interface to interact with OpenAI's GPT-3 and GPT-Neo language models.

artificial-intelligence machine-learning natural-language-processing chatgpt openai

2,753 repositories

Js13kGames

Js13kGames is a month-long JavaScript coding competition, where entries are limited in file size to 13 kilobytes.

js13k global-game-jam game-off ludum-dare

2,743 repositories - github.com/js13kGames

LLVM

The LLVM compiler infrastructure project is a set of compiler and toolchain technologies.

2,719 repositories - en.wikipedia.org/wiki/LLVM - github.com/llvm/llvm-project

Nim

Nim is a statically typed, compiled, garbage-collected systems programming language.

nim-lang nimlang nim-language language c c-plus-plus javascript python

2,718 repositories - en.wikipedia.org/wiki/Nim_(programming_language) - github.com/nim-lang/Nim

Bulma

Bulma is a CSS framework.

2,717 repositories - github.com/jgthms/bulma

MDX

MDX is an authorable format that lets you seamlessly write JSX in your markdown documents.

2,699 repositories - github.com/mdx-js/mdx/

apollo-server

apollo-server is a Node.js library that allows you to quickly build a GraphQL API server to handle structured client requests.

graphql api graphql-server apollo

2,649 repositories - github.com/apollographql/apollo-server

Server-side rendering

During server-side rendering, the content of a webpage is prepared on the server and only needs to be hydrated by the client.

client-side-rendering hydration server-side-generation

2,608 repositories - en.wikipedia.org/wiki/Server-side_scripting

F#

F# ("F sharp") is a functional programming language for .NET.

language dotnet

2,556 repositories - en.wikipedia.org/wiki/F_Sharp_(programming_language) - github.com/fsharp

CSS Modules

A CSS Module is a CSS file where class names are scoped locally by default.

cssmodules css

2,535 repositories - github.com/css-modules/css-modules

Binance

The largest cryptocurrency exchange in the world in terms of daily trading volume of cryptocurrencies.

binance-api

2,532 repositories - en.wikipedia.org/wiki/Binance

RDF (Resource Description Framework)

RDF is used for data interchange, using URIs to name the relations between things and a directed labeled graph for representation.

semantic-web sparql web-ontology-language shacl json-ld n-triples rql versa shex

2,527 repositories - en.wikipedia.org/wiki/Resource_Description_Framework

Fortran

Fortran is a statically typed, compiled, parallel programming language focussing on array operations.

f95 f77 fortran90 fortran77 fortran95 fortran2003 fortran2008 fortran2018 mpi coarrays coarray-fortran hpc high-performance-computing c compiler finite-element-method

2,525 repositories - wikipedia.org/wiki/Fortran - github.com/j3-fortran

GeoJSON

GeoJSON is a JSON-based open standard file format for representation of geographical data.

geojsonl geo-json rfc-7946 json osm qgis gis topojson citygml geospatial computational-geometry

2,508 repositories - en.wikipedia.org/wiki/GeoJSON

TikTok

TikTok is a social network service.

tik-tok tiktok-api

2,500 repositories - en.wikipedia.org/wiki/TikTok

Integration testing

Integration testing is a more process-oriented testing approach focussing on larger parts of the software than unit testing.

integration-tests testing unit-testing tdd test-automation e2e-tests contract-testing ui-testing acceptance-testing api-testing

2,498 repositories

board-game

A genre of video game.

2,481 repositories - en.wikipedia.org/wiki/Board_game

Netflix

Netflix is a Streaming service with TV shows, movies, and documentaries.

2,477 repositories - en.wikipedia.org/wiki/Netflix - github.com/Netflix

Azure DevOps

Azure DevOps is a Microsoft product that provides version control, project management, and builds/tests/release features.

2,469 repositories - en.wikipedia.org/wiki/Visual_Studio#Azure_DevOps_Services

GTK

GTK (formerly GIMP ToolKit and GTK+) is a cross-platform toolkit for creating graphical user interfaces.

gtk2 gtk3 gtk4 c

2,460 repositories - en.wikipedia.org/wiki/GTK - github.com/GNOME/gtk

SRE

Site reliability engineering (SRE) is a software engineering approach to IT operations.

2,453 repositories - en.wikipedia.org/wiki/Site_reliability_engineering

Behavior-driven development

Behavior-driven development is a test-first, agile testing practice with business-facing scenarios.

behavior-driven-development atdd tdd testing continuous-testing specification-by-example cucumber behat gherkin

2,443 repositories - en.wikipedia.org/wiki/Behavior-driven_development

DateTime

DateTime is the term used in programming when referring to date and time related topics.

date-time date-formatting daterange timezones intl timestamp

2,432 repositories

Virtual reality

Virtual reality is an artificial environment displayed through digital means.

2,419 repositories - en.wikipedia.org/wiki/Virtual_reality

Sports

Any physical activity or a game featuring skills or fitness.

sport cycling soccer volleyball running swimming tennis basketball bodybuilding rugby olympics

2,403 repositories - en.wikipedia.org/wiki/Sport

Koa

Koa is an expressive middleware framework for Node.js servers that uses ES2017 async functions.

2,394 repositories - github.com/koajs/koa

Common Vulnerabilities and Exposures (CVE)

The Common Vulnerabilities and Exposures (CVE) system provides a reference-method for publicly known vulnerabilities.

2,379 repositories - en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures

IRC

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

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

2,363 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.

2,362 repositories - en.wikipedia.org/wiki/Universal_Windows_Platform

Apache Cassandra

Apache Cassandra is a free, open source, distributed, NoSQL database management system.

apache-cassandra language dotnet

2,353 repositories - en.wikipedia.org/wiki/Apache_Cassandra - github.com/apache/cassandra

Steganography

Steganography is the practice of hiding a secret message in something that is not secret.

security information-security cryptography cybersecurity

2,352 repositories - en.wikipedia.org/wiki/Steganography

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

Quarkus

Quarkus is a Cloud Native, (Linux) Container First framework for writing Java applications.

2,346 repositories - en.wikipedia.org/wiki/Quarkus - github.com/quarkusio/quarkus

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