Most popular open-source Rails apps

Hand-picked for you by me, and made popular by someone else

Discourse primary image

Discourse

next-generation discussion platform

33,895 stars

huginn primary image

huginn

open-source IFTTT

32,105 stars

Mastodon primary image
in-production

Mastodon

distributed, interconnected microblogging

24,649 stars

GitLab primary image

GitLab

self hosted Git management

22,696 stars

forem primary image
in-production

forem

the platform that powers dev.to

17,333 stars

Diaspora primary image

Diaspora

community-run, distributed social-network

12,792 stars

Spree primary image

Spree

a flexible e-commerce platform

11,380 stars

Postal primary image
in-production

Postal

mail delivery platform for incoming and outgoing e-mail

10,684 stars

Chatwoot primary image
professional in-production

Chatwoot

customer engagement platform

9,992 stars

PG Hero primary image

PG Hero

performance dashboard for PostgreSQL

6,046 stars

Errbit primary image

Errbit

open source, self-hosted error catcher

4,154 stars

Octobox primary image
well-tested

Octobox

GitHub notification manager

4,098 stars

Canvas LMS primary image

Canvas LMS

enterprise-grade learning management system

4,051 stars

Blazer primary image

Blazer

dashboard for your database

3,033 stars

lobsters primary image

lobsters

link-aggregation site, inspired by Hacker News

3,029 stars

Feedbin primary image
in-production

Feedbin

open-source feed reader for multiple platforms

2,864 stars

zammad primary image
in-production

zammad

enterprise-ready helpdesk and customer support system

2,691 stars

Redmine primary image

Redmine

web based project management

2,448 stars

Loomio primary image

Loomio

make decisions together

2,072 stars

Helpy primary image

Helpy

A Modern Helpdesk Alternative

2,069 stars

foreman primary image
professional

foreman

server lifecycle automation

2,049 stars

rubygems.org primary image

rubygems.org

The Ruby community's gem hosting service

1,981 stars

Hound primary image

Hound

Your code, always in style.

1,891 stars

Teambox primary image

Teambox

the original teambox.com

1,884 stars

Spina primary image

Spina

A beautiful CMS for Rails developers

1,882 stars

Duckrails primary image

Duckrails

tool to mock API endpoints

1,687 stars

Catarse primary image
in-production

Catarse

open-source crowdfunding platform

1,562 stars

Chaskiq primary image

Chaskiq

full-featured live chat, support, and marketing platform

1,522 stars

samson primary image

samson

Web interface for deployments

1,417 stars

OneBody primary image
abandoned

OneBody

church management software

1,408 stars

Brimir primary image
abandoned

Brimir

an email helpdesk

1,408 stars

Ciao primary image

Ciao

uptime monitoring

1,404 stars

Classroom primary image
professional

Classroom

automates repository creation and access control for teachers

1,258 stars

CodeTriage primary image

CodeTriage

directory of open-source projects with open issues

1,227 stars

if-me.org primary image
great-documentation

if-me.org

mental health communication

1,216 stars

consul primary image
well-tested

consul

open government and participation software

1,142 stars

Manage IQ primary image

Manage IQ

Automate, optimize, and control your cloud and virtualization services

1,125 stars

Cuttlefish primary image

Cuttlefish

a good-enough SMTP server so you can ditch SMTP providers

1,059 stars

Juvia primary image

Juvia

commenting server of the likes of Discus or IntenseDebate

1,031 stars

Tracks primary image

Tracks

software for implementing David Allen's Getting Things Done™ methodology

1,023 stars

Hours primary image

Hours

Time registration that doesn't suck.

1,011 stars

Decidim primary image
in-production

Decidim

a framework for democracy

983 stars

Squash primary image
professional

Squash

exception reporting and bug analysis by Square

967 stars

Astuto primary image

Astuto

customer feedback tool

961 stars

libraries.io primary image
in-production

libraries.io

open-source discovery service

936 stars

Pay primary image

Pay

payments engine

925 stars

Peatio primary image
abandoned

Peatio

crypto currency exchange software

870 stars

OpenFarm primary image
in-production

OpenFarm

open database for farming and gardening knowledge

821 stars

OpenFoodNetwork primary image
well-tested in-production

OpenFoodNetwork

software to manage the lifecycle of food

735 stars

whitehall primary image
in-production

whitehall

government content publishing for gov.uk

666 stars

Bluedoc primary image

Bluedoc

document management tool

592 stars

Autolab primary image
in-production

Autolab

course management and auto-grading of assignments

550 stars

rubytoolbox.com primary image
in-production

rubytoolbox.com

catalog of all Rubygems that keeps track of popularity and health metrics

477 stars

Pupilfirst primary image

Pupilfirst

everything you need for an online school

470 stars

Envizon primary image

Envizon

network visualization and pentest reporting

431 stars

Calagator primary image
in-production

Calagator

community calendar platform

393 stars

Haven primary image
in-production

Haven

self-hostable private blogging

383 stars

AppPerf primary image

AppPerf

application and performance monitoring tool

357 stars

Growstuff primary image

Growstuff

tool for small-scale food growers

353 stars

HyperLog.io primary image
in-production

HyperLog.io

ai-generated developer portfolios

345 stars

Concerto primary image
cool in-production

Concerto

digital signage system

322 stars

Plylst primary image

Plylst

Spotify playlist tool

315 stars

Alaveteli primary image
in-production

Alaveteli

easy FOIA requests for any jurisdiction

306 stars

Workarea primary image
in-production

Workarea

enterprise-grade commerce platform

302 stars

Wreeto primary image

Wreeto

note-taking, knowledge management, and wiki

291 stars

alonetone primary image
in-production

alonetone

home for musicians, their tracks and albums

282 stars

Central primary image

Central

Fulcrum project planning tool fork

279 stars

Covidlist primary image

Covidlist

connect vaccinations with those who need to be vaccinated

264 stars

Ekylibre primary image

Ekylibre

farm management information system

254 stars

Hackershare primary image
in-production

Hackershare

social bookmarking and knowledge-sharing

245 stars

Hitobito primary image
in-production

Hitobito

full-scale group hierarchy management

227 stars

Datoji primary image
in-production

Datoji

easy JSON mocking for developers

224 stars

Bike Index primary image
in-production

Bike Index

the internet's bike registry

217 stars

Motor Admin primary image

Motor Admin

if ActiveAdmin and Blazer had a baby

202 stars

icare primary image

icare

carpooling platform

200 stars

Coderwall primary image

Coderwall

Professional network for software engineers

191 stars

Upcase.com primary image

Upcase.com

learning platform for programming

180 stars

Helpful primary image

Helpful

simple and elegant support system

173 stars

weg.li primary image

weg.li

report bad german parkers

168 stars

Expertiza primary image

Expertiza

peer-reviews app, supported by the National Science Foundation

160 stars

openSNP primary image

openSNP

annotate your SNP-set

158 stars

Trado primary image

Trado

simple e-commerce platform for developers

151 stars

Podify primary image

Podify

make podcasts from youtube-dl

143 stars

Amahi primary image

Amahi

your personal cloud and media server

137 stars

AgileVentures primary image
in-production

AgileVentures

source code to agileventures.org

137 stars

Notebook Gallery primary image

Notebook Gallery

enterprise Jupyter notebook sharing and collaboration platform

136 stars

Reservations primary image

Reservations

equipment loans and reservations software

127 stars

GitReports.com primary image

GitReports.com

allow anonymous users to submit bugs to GitHub repos

118 stars

Fairmondo primary image
in-production

Fairmondo

free market place in the hand of the users

105 stars

Coursemology primary image
in-production

Coursemology

open-source gameified learning platform

101 stars

Splits.io primary image
in-production

Splits.io

speedrunning data and analysis

101 stars

LumenDatabase primary image
in-production

LumenDatabase

database of legal complaints and requests for removals

97 stars

vglist.co primary image
in-production

vglist.co

video game library tracking

97 stars

Droptune primary image

Droptune

music notifications for Spotify and Apple Music

90 stars

Panoptes primary image

Panoptes

API to support user-defined research projects

84 stars

TagTeam primary image

TagTeam

social tagging for academics

82 stars

ebwiki.org primary image
in-production

ebwiki.org

database of police abuse cases against people of color

76 stars

StockAid primary image

StockAid

manages inventory for the Grateful Garment Project

70 stars

Skyderby primary image

Skyderby

flight analysis and competition scoring

70 stars

Listed.to primary image

Listed.to

online publications with automatic newsletters

62 stars

Coinfi primary image
in-production

Coinfi

crypto market intelligence platform

60 stars

Sanataro primary image

Sanataro

household accounting software

53 stars

AirCasting primary image
in-production

AirCasting

platform for gathering, visualization and sharing of environmental data

52 stars

Vinifera primary image

Vinifera

tool to monitor leaked secrets

51 stars

Texterify.com primary image
in-production

Texterify.com

translation and localization management

48 stars

Pokr primary image

Pokr

agile estimating and planning

47 stars

sumofus.org primary image
in-production

sumofus.org

source code to sumofus.org

46 stars

nokul primary image
in-production

nokul

solution for universities to manage all the complex procedures of a university online

46 stars

TaxonWorks primary image
cool in-production

TaxonWorks

workbench for biodiversity informatics

45 stars

exercism.io primary image
in-production

exercism.io

code practice and mentorship

43 stars

Abalone primary image

Abalone

data tracking and analytics for conservation efforts

29 stars

Caffeinate primary image
self-promoted

Caffeinate

a framework for easily creating and scheduling email campaigns

29 stars

Enroll App primary image
in-production

Enroll App

open source eligibility and enrollment solution for Health Benefit Exchanges

29 stars

HRMS primary image

HRMS

HR management

28 stars

Registry primary image
cool

Registry

TLD management software

27 stars

Lale Help primary image

Lale Help

collaborative platform for refugee support

26 stars

Pig CI primary image
in-production

Pig CI

Rails performance monitoring, plus CI

19 stars

Recipy.fr primary image

Recipy.fr

defunct website of a recipe site

8 stars

dokno primary image

dokno

Rails Engine for storing and managing an app's domain knowledge

6 stars

Outpost primary image

Outpost

service directories platform

5 stars