CircuitVerse is a free, open-source platform which allows users to construct digital logic circuits online. We also offer the Interactive Book which teaches users on the fundamentals of modern, digital circuits.

Open Issues

Text is not completely highlighted on hover

#2919 12/31/2025

Good First Issue

[fix] : localization in recent circuits section

#3552 12/29/2025

Good First Issue

Missing translation for "Member since" for arabic language on User dashboard

#6002 12/29/2025

Good First Issue

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Opensourcedesign

design

opensourcedesign

open-source

open-source-design

Source code of the website opensourcedesign.net

Open Issues

Suggestion: Restructure Website: Archive "Milestones"

#503 12/30/2025

Good First Issue

Suggestion: Restructure Website: Archive "Summit"

#502 12/30/2025

Good First Issue

Suggestion: Restructure Website: Archive "Resources"

#501 12/30/2025

Good First Issue

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Open Source Diversity

javascript

html

css

diversity

inclusion

🎉

web

community

For more diversity & inclusion in free & open source software communities 😊

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appsmith

Database

Editor

Drag & Drop internal tool builder

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Hamilton

Python

Data Science

Machine Learning

ETL

DAG

Your single tool to express data, ML, and LLM pipelines with simple python functions. Runs anywhere that python runs, E.G. spark, airflow, jupyter, fastapi, etc. Incrementally adoptable. Use Hamilton to build testable, reusable, and self-documenting dataflows with lineage and metadata out of the box.

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altair

GraphQL

React

TypeScript

A beautiful feature-rich GraphQL Client for all platforms.

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Ancient Beast

JavaScript

TypeScript

Node.js

Web App

Video Game

Match-based eSport where you duel others by materializing and controlling a squad of creatures.

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Signal-Android

Java

Kotlin

Python

CSS

Handlebars

Signal uses your phone's data connection (WiFi/3G/4G/5G) to communicate securely. Millions of people use Signal every day for free and instantaneous communication anywhere in the world. Send and receive high-fidelity messages, participate in HD voice/video calls, and explore a growing set of new features that help you stay connected. Signal’s advanced privacy-preserving technology is always enabled, so you can focus on sharing the moments that matter with the people who matter to you.

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Reseter.css

CSS

Sass

SCSS

Less

Stylus

Reseter.css is an awesome CSS boilerplate for a website. It is a great tool for any web designer. Reseter.css resets all the premade styles by the browser. It normalizes the browser's stylesheet for a better cross-browser experience.

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MoveIt

C++

Python

Robotics

Motion Planning

Easy-to-use open source robotics manipulation platform for developing commercial applications, prototyping designs, and benchmarking algorithms.

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Jina

Python

Machine Learning

Deep Learning

NLP

An easier way to build neural search on the cloud. An AI-powered search framework, empowering developers to create cross-/multi-modal search systems

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React

JavaScript

React

A declarative, efficient, and flexible JavaScript library for building user interfaces.

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React Native

JavaScript

React

React Native

Mobile

A framework for building native apps with React.

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Typescript

TypeScript

JavaScript

TypeScript is a language for application-scale JavaScript. TypeScript adds optional types to JavaScript that support tools for large-scale JavaScript applications for any browser, for any host, on any OS. TypeScript compiles to readable, standards-based JavaScript.

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MongoDB

NoSQL

Database

MongoDB is a source-available cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas.

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Darktable

Lua

OpenCL

Photography

Open source photography workflow application and raw developer.

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Exercism

Ruby

Education

CLI

Web App

Quickly ramp up in new programming languages!

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React Testing Library

Testing

JavaScript

React

Simple and complete React DOM testing utilities that encourage good testing practices.

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Gauge

Automation

CLI

Testing

A free and open source test automation framework

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Habitat

Documentation

Frontend

Rust

DevOps

Modern applications with built-in automation.

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Scikit-learn

Python

Machine Learning

Data Science

Machine learning in Python!

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AVA

JavaScript

Testing

Babel

The Futuristic JavaScript test runner!

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Numpy

Python

Data Science

Math

Scientific computing with Python!

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pandas

Python

Data Science

Data Analysis

pandas: powerful Python data analysis toolkit

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Pug

JavaScript

HTML

Node.js

Template Engine

Pug is a high-performance template engine heavily influenced by Haml and implemented with JavaScript for Node.js and browsers.

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Elasticsearch

Java

Database

REST

Open Source, Distributed, RESTful Search Engine.

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Homebrew

macOS

Ruby

C++

Package Manager

The missing package manager for macOS.

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Rust

Compiler

Systems Programming

A safe, concurrent, practical language!

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Vuejs

JavaScript

Vue.js

Frontend

A progressive, incrementally-adoptable JavaScript framework for building UI on the web.

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Suave

Web Development

Library

Simple web development F# library to manipulate route flow and task composition.

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OpenRA

Game Development

OpenGL

Open Source real-time strategy game engine for early Westwood games.

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PowerShell

Shell

Cross Platform

PowerShell for every system.

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Webpack

JavaScript

Bundler

Build Tool

A bundler for JavaScript and friends. Packs many modules into a few bundled assets.

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Babel

JavaScript

Compiler

Transpiler

Babel is a compiler for writing next generation JavaScript.

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Pouchdb

JavaScript

Node.js

Database

A pocket-sized database.

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Neovim

Vim

Editor

Cross Platform

Vim-fork focused on extensibility and usability.

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freeCodeCamp

JavaScript

Education

Web Development

Open Source codebase and curriculum.

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Node.js

JavaScript

Node.js

Runtime

Node.js JavaScript runtime.

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Semantic-UI-React

React

UI Library

Components

The official Semantic-UI-React integration.

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Contribute to Open Source

GitHub

Tutorial

Education

Learn GitHub's pull request process by contributing code in a fun simulation project.

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Visual Studio Code

TypeScript

Editor

Electron

VS Code is a new type of tool that combines the simplicity of a code editor with what developers need for their core edit-build-debug cycle.

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Scrapy

Python

Web Scraping

Data Mining

Scrapy is a fast high-level web crawling and web scraping framework, used to crawl websites and extract structured data from their pages.

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Angular

TypeScript

JavaScript

Angular is a development platform for building mobile and desktop Web Applications using TypeScript or JavaScript and other languages.

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React Styleguidist

JavaScript

React

Documentation

React Styleguidist is a component development environment with hot reloaded dev server and a living style guide that you can share with your team. It lists component propTypes and shows live, editable usage examples based on Markdown files.

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Flutter

Dart

Mobile

Cross Platform

Flutter makes it easy and fast to build beautiful apps for mobile and beyond.

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Python Koans

Python

Education

CLI

Python Koans is a port of Edgecase's "Ruby Koans".

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Scala Exercises

Scala

Education

Functional Programming

Scala Exercises is an Open Source project for learning different technologies based in the Scala Programming Language.

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CodeWorkout

Java

Ruby

Python

Education

CodeWorkout is an online system for people learning a programming language for the first time. It is a free, open-source solution for practicing small programming problems. Students may practice coding exercises on a variety of programming concepts within the convenience of a web browser!

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TEAMMATES

Java

JavaScript

Web Development

An online feedback management system for students and teachers

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electron

JavaScript

Electron

Desktop

Cross Platform

Build cross platform desktop apps with JavaScript, HTML, and CSS!

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Oppia

Python

TypeScript

Angular

Oppia is an open-source project whose aim is to empower learners across the globe by providing access to high-quality, engaging education. We envision a society in which access to high-quality education is a human right rather than a privilege.

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Public Lab

Ruby on Rails

Ruby

JavaScript

Non-Profit

Web App

First-Timers

Environment

Science

PublicLab.org - a collaborative knowledge-exchange platform in Rails; we welcome first-time contributors! 🎈

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MissionControl

Javascript

Docker

Thrift

Good First Issue

Controls and orchestrates missions between autonomous vehicles and DAV users.

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DuckDuckGo

Javascript

Perl

Python

Privacy

The search engine that doesn't track you!

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Kinto

Python

API

HTTP

Web

Decentralisation

A generic JSON document store with sharing and synchronisation capabilities.

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OpenGenus

C++

Python

Java

Good First Issue

A positive open-source community working to bring essential programming knowledge offline.

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css-protips

CSS

tips

guide

simple

useful

Simple but useful tips to improve your CSS skills.

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AnitaB.org

Python

Java

Swift

Javascript

HTML

Kotlin

Dart

Helping women find their potential in code.

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Centos

Shell

Python

HTML

Ruby

Puppet

A community-driven free software effort focused on delivering a robust open source ecosystem.

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NPM

Javascript

Shell

CSS

HTML

Rust

Npm is the package manager for JavaScript and the world’s largest software registry. Discover packages of reusable code — and assemble them in powerful new ways.

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openEBS

Containers

DevOps

OpenEBS is an open source storage platform that provides persistent and containerized block storage for DevOps and container environments.

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Kubernetes

Container

Orchestration

Production-Grade Container Scheduling and Management

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styled-system

css-in-js

design-systems

style-props

theming

Style props for rapid UI development

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Movie-Stream

Web development

HTML

Javascript

API

CSS

Bootstrap

Provides Online free movie streaming service with adfree. flexible for mobile also

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ethereum

C++

Solidity

Python

Shell

Java

Ethereum is a decentralized platform that runs smart contracts applications.

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openSUSE

Rust

C++

Ruby

Python

Perl

Shell

HTML

For desktop, server, and everything in between.

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Rust Lang Nursery

Rust

Compiler

Parser

Mentors

A collection of lints to catch common mistakes and improve your Rust code.

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probot

Node.js

Github

Javascript

Probot is a framework for building Github Apps in Node.js.

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Open Data Kit

Open Source

Software

JAVA

Android

Free and open-source set of tools for collecting data in challenging environments.

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Bokeh

Javascript

Python

Jupiter

visualization

Interactive Data Visualization in the browser, from Python

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Sugar Labs

Ubuntu

Rasberry Pi

Debian

Fedora

Learning Software for children.

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Jupyter Hub

Proxy Server

Python

REST API

A multi-user Hub, spawns, manages, and proxies multiple instances of the single-user Jupyter notebook server.

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Allenai

Artificial Intelligence

Python

NLP

conducts high-impact research and engineering to tackle key problems in artificial intelligence.

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Qute Browser

Python

pyqt5

Vim

Browser

qtWebEngine

web

A keyboard-driven, vim-like browser based on PyQt5

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Ghost

nodejs

javascript

ember

cms

blogging

Just a blogging platform

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Hyper

HTML

CSS

JavaScript

React

Typescript

linux

macos

terminal

A terminal built on web technologies

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Kap

electron

javascript

mac

oss

screencast

An open-source screen recorder built with web technology

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Ember.js

ember

javascript

javascript-framework

A JavaScript framework for creating ambitious web applications

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ifme

ruby-on-rails

javascript

react

A community for mental health experiences

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Rebus

javascript

html

css

tutorial

Helping new developers take their first steps as open source contributors by developing a simple rebus game together

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PRoot

chroot-environment

userland-exec

rootfs

chroot

chroot, mount --bind, and binfmt_misc without privilege/setup for Linux

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Techqueria.org

latinx

latinx in tech

hugo

netlify

jamstack

We're a community of Latinx professionals in the tech industry.

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Nextcloud

javascript

php

html

css

android

c++

design

ios

vuejs

web

Open source collaboration platform for files, calendar, contacts, chat & calls, mail and more.

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Open Source Diversity

javascript

html

css

diversity

inclusion

🎉

web

community

For more diversity & inclusion in free & open source software communities 😊

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Bitcoin

C++

Python

Cryptocurrency

Blockchain

Peer-to-peer

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world.

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Tensorflow

python

c++

machine learning

math

deep learning

neural network

A Machine Learning library in Python for implementing Machine Learning and Deep Learning models

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JavaScript

server-rendering

node

nextjs

react

Next.js is a framework that most notably allows you to write server-rendered React apps easily

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Roc Toolkit

C++

Audio

Streaming

Networking

Cross-Platform

Linux

MacOS

Windows

A toolkit for real-time audio streaming over the network

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Conda

Python

Builds

Package Manager

Conda is an open source package management system and environment management system that runs on Windows, macOS and Linux. Conda quickly installs, runs and updates packages and their dependencies. Conda easily creates, saves, loads and switches between environments on your local computer. It was created for Python programs, but it can package and distribute software for any language.

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Light Table

clojurescript

ide

editor

clojure

lighttable

clojure-development

Light Table is a next generation code editor that connects you to your creation with instant feedback. Light Table is very customizable and can display anything a Chromium browser can.

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Dragula

Javascript

front-end

drag-and-drop

vanilla

drag-drop

dragging

component

Dragula provides the easiest possible API to make drag and drop a breeze in your applications.

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Moby

docker

containers

The Moby project is a collaborative project for the container ecosystem to assemble container-based systems

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ScyllaDb

nosql

cpp

cassandra

NoSQL data store using the seastar framework, compatible with Apache Cassandra

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OSRM (Open Source Routing Machine)

osrm

routing-engine

cpp

openstreetmap

High performance routing engine written in C++14 designed to run on OpenStreetMap data

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Laravel

PHP

web development

A PHP Framework for Web Artisans

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Django

python

web development

A high-level Python Web framework that encourages rapid development and clean, pragmatic design

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Plotly

python

javascript

graph

graph-based

graph visualization

A high-level Python declarative charting library

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NetworkX

Python

graph

graph algorithms

complex networks

Python library for studying graphs and networks

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Igraph

Python

graph

graph algorithms

complex networks

Python Library for creating and manipulating graphs

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Javascript

graph

graph-based

graph visualization

data visualization

dynamic plots

JavaScript library for visualizing data using web standards

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FontAwesome

SVG

CSS

font

The iconic SVG, font, and CSS toolkit

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TallyCTF

ctf

ctf-scoreboard

ctf-platform

JavaScript

Capture-The-Flag Scoreboard & CTF Event Running Software

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Airform

airform

serverless

sendmail

mailer

html-forms

forms

smtp

sendgrid

mailchimp

mailgun

Functional HTML forms for Front-End Developers.

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Milligram

milligram

css

html

framework

css-framework

design

minimalist

flexbox

amp

A minimalist CSS framework.

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Gatsby

React

Javascript

HTML

CSS

GraphQL

Web Development

Markdown

A free and open source framework based on React that helps developers build blazing fast websites and apps.

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ClickHouse

C++

C++20

cpp

Linux

DBMS

OLAP

Analytics

SQL

Big Data

Distributed Database

MPP

Column-oriented database management system that allows generating analytical data reports in real time.

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Mattermost

Javascript

React

React Native

Open source Slack-alternative for DevOps teams

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Leapcode

Javascript

React

Gatsby

Leapcode is an online community & platform that motivates and rewards first-time open source contributors to get started.

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Markdown Dungeon

Markdown

React

Gatsby

Good First Issue

Beginner

This is an example that how to use Markdown creating a dungeon.

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Ansible

Python

Automated-Testingg

Beginner

Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy.

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start-here-guidelines

Markdown

Beginner

Lets Git started in the world of opensource, starting in the Zero To Mastery opensource playground. Especially designed for education and practical experience purposes.

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CSS-Art

CSS

HTML

Javascript

Beginner

General Edition - A CSS art challenge, for all skill levels.

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Chat-e2ee

React

Chat

Javascript

Beginner

NodeJS

Chat app in end-to-end encrypted environment without registration

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Zulip

OpenSource

Chat

Javascript

Beginner

Python

Powerful Open Source Group Chat

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SimplQ

OpenSource

React

Javascript

Beginner

Productivity

Modern and fully web based queue management solution for crowded businesses.

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Phpmyadmin

OpenSource

Mariadb

Mysql

HTML

PHP

Javascript

A web interface for MySQL and MariaDB.

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Litefy

OpenSource

Angular

HTML

CSS

Javascript

Typescript

A lighweight Spotify client for low-end devices

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Navy Linux

Shell

Python

HTML

Ruby

Puppet

Navy Linux is a recompilation of the Red Hat Linux project just as the centOS Linux project has been for all these years.

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DSA

OpenSource

Javascript

C++

Python

Beginner

DSA

Data structure and Algorithm (DSA) contributions

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Jest

OpenSource

Facebook

Testing

Immersive

JavaScript

TypeScript

Delightful JavaScript Testing

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Collabora Online

javascript

css

android

c++

design

ios

web

productivity

typescript

libreoffice

office

documents

A collaborative online office suite based on LibreOffice technology. This is also the source for the Collabora Office apps for iOS and Android.

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Jigsaw

TypeScript

Shell

Python

Jigsaw is an incubator within Google that uses technology to address geopolitical issues.

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Idea Hub

Hub

ideas

Project List

Good First Issue

Beginner

A collection of ideas and projects that contain from beginner to advanced 🎯🚀

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Simple Icons

JavaScript

OpenSource

Beginner

SVG

NodeJS

SVG icons for popular brands

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Eclipse JKube

Java

Kubernetes

OpenShift

Eclipse

OpenSource

Beginner

Cloud-Native Java Applications without a hassle, bring your Java applications to Kubernetes

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Spaceship Prompt

Shell

Zsh

Prompt

Productivity

Minimalistic, powerful and extremely customizable Zsh prompt

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tldr

Markdown

Docs

Beginner

Collaborative cheatsheets for console commands

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Codename One

Cross-Platform

OpenSource

Java

Kotlin

Android

iOS

Framework

Cross-platform mobile app development framework for Java & Kotlin developers

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SymPy

Python

Science

Math

Computer-Algebra

A computer algebra system written in pure Python

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Pytorch

Python

Machine-Learning

Deep-Learning

Neural-Network

PyTorch is an optimized tensor library for deep learning using GPUs and CPUs.

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Yarn

JavaScript

Package-Manager

NodeJS

NPM

Yarn is a JavaScript package manager created by Facebook that doubles as a project manager.

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Scribe-iOS

iOS

Swift

Education

Good First Issue

Beginner

iOS keyboards for language learners with translation, verb conjugation and more!

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Scribe-Android

Android

Kotlin

Education

Good First Issue

Beginner

Android keyboards for language learners with translation, verb conjugation and more!

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mindsdb

Database

MySQL

Machine Learning

Open Source

Productivity

MindsDB is a ML-SQL Server that enables machine learning workflows for the most powerful databases and datawarehouses using SQL.

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Osu!

Video Game

Music

Osu! is a free-to-play rhythm game primarily developed by the community.

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Salt

Python

Shell

Automation

Salt is the world’s fastest, most intelligent and scalable automation engine.

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aprenda-go-com-testes

learn easily and quickly

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Daml

Scala

Haskell

Daml is an open-source smart contract language for building future-proof distributed applications on a safe, privacy-aware runtime.

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Servo

Rust

Browser

Servo

A browser engine designed for applications including embedded use.

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matplotlib

python

gtk

data-science

data-visualization

matplotlib

plotting

hacktoberfest

Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python.

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Crossword Puzzle Generator

javascript

community

contribution

crossword-puzzle

contributions-welcome

good-first-issue

beginner-friendly

beginner

Generador de crucigramas - Crossword puzzle generator - Good first issue

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gradle.org

Build Tool

Good First Issue

Gradle

Gradle-bt

Groovy

Hacktoberfest

Java

Kotlin

Adaptable, fast automation for all

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signoz.io

APM

Application Monitoring

Distributed Tracing

Good First Issue

Jaeger

Log

Logs

Metrics

Monitoring

Next.js

Observability

Open Source

Open Telemetry

Prometheus

React

React.js

Self Hosted

Tracing

Typescript

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

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