Most Popular Open-Source Ruby on Rails Apps

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

Mastodon primary image

Mastodon

distributed, interconnected microblogging

37,366 stars

huginn primary image

huginn

open-source IFTTT

37,066 stars

Discourse primary image

Discourse

next-generation discussion platform

36,964 stars

GitLab primary image

GitLab

self hosted Git management

23,099 stars

forem primary image

forem

the platform that powers dev.to

19,986 stars

Chatwoot primary image

Chatwoot

customer engagement platform

14,150 stars

Diaspora primary image

Diaspora

community-run, distributed social-network

13,186 stars

Postal primary image

Postal

mail delivery platform for incoming and outgoing e-mail

12,218 stars

Spree primary image

Spree

a flexible e-commerce platform

12,114 stars

PG Hero primary image

PG Hero

performance dashboard for PostgreSQL

6,834 stars

Canvas LMS primary image

Canvas LMS

enterprise-grade learning management system

4,678 stars

Octobox primary image

Octobox

GitHub notification manager

4,224 stars

Errbit primary image

Errbit

open source, self-hosted error catcher

4,206 stars

Homeland primary image

Homeland

homeland.ruby-china.org

3,640 stars

Blazer primary image

Blazer

dashboard for your database

3,463 stars

lobsters primary image

lobsters

link-aggregation site, inspired by Hacker News

3,391 stars

zammad primary image

zammad

enterprise-ready helpdesk and customer support system

3,220 stars

Feedbin primary image

Feedbin

open-source feed reader for multiple platforms

3,047 stars

Carto primary image

Carto

location intelligence and data visualization

2,648 stars

Redmine primary image

Redmine

web based project management

2,459 stars

foreman primary image

foreman

server lifecycle automation

2,291 stars

Helpy primary image

Helpy

A Modern Helpdesk Alternative

2,246 stars

Chaskiq primary image

Chaskiq

full-featured live chat, support, and marketing platform

2,225 stars

Loomio primary image

Loomio

make decisions together

2,154 stars

rubygems.org primary image

rubygems.org

The Ruby community's gem hosting service

2,122 stars

Spina primary image

Spina

A beautiful CMS for Rails developers

2,043 stars

Hound primary image

Hound

Your code, always in style.

1,918 stars

Teambox primary image

Teambox

the original teambox.com

1,876 stars

Duckrails primary image

Duckrails

tool to mock API endpoints

1,706 stars

Ciao primary image

Ciao

uptime monitoring

1,674 stars

Catarse primary image

Catarse

open-source crowdfunding platform

1,596 stars

Fulcrum primary image

Fulcrum

Original project planning

1,507 stars

Pay primary image

Pay

payments engine

1,455 stars

GitLab CI primary image

GitLab CI

continuous integration server

1,454 stars

samson primary image

samson

Web interface for deployments

1,440 stars

OneBody primary image

OneBody

church management software

1,406 stars

Brimir primary image

Brimir

an email helpdesk

1,394 stars

if-me.org primary image

if-me.org

mental health communication

1,346 stars

Classroom primary image

Classroom

automates repository creation and access control for teachers

1,305 stars

CodeTriage primary image

CodeTriage

directory of open-source projects with open issues

1,303 stars

Astuto primary image

Astuto

customer feedback tool

1,293 stars

consul primary image

consul

open government and participation software

1,286 stars

Manage IQ primary image

Manage IQ

Automate, optimize, and control your cloud and virtualization services

1,250 stars

Cuttlefish primary image

Cuttlefish

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

1,247 stars

Decidim primary image

Decidim

a framework for democracy

1,176 stars

Tracks primary image

Tracks

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

1,107 stars

Juvia primary image

Juvia

commenting server of the likes of Discus or IntenseDebate

1,035 stars

Hours primary image

Hours

Time registration that doesn't suck.

1,027 stars

Squash primary image

Squash

exception reporting and bug analysis by Square

962 stars

Peatio primary image

Peatio

crypto currency exchange software

957 stars

OpenFarm primary image

OpenFarm

open database for farming and gardening knowledge

901 stars

whitehall primary image

whitehall

government content publishing for gov.uk

778 stars

RailsCasts primary image

RailsCasts

RailsCasts.com source code (thanks Ryan)

761 stars

Pupilfirst primary image

Pupilfirst

everything you need for an online school

662 stars

Autolab primary image

Autolab

course management and auto-grading of assignments

656 stars

Heaven

github flow orchestrator

651 stars

JobsWorth primary image

JobsWorth

Project management, time tracking, billing

637 stars

Bluedoc primary image

Bluedoc

document management tool

617 stars

Klaxon primary image

Klaxon

get emailed when a website changes

587 stars

Motor Admin primary image

Motor Admin

if ActiveAdmin and Blazer had a baby

494 stars

rubytoolbox.com primary image

rubytoolbox.com

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

493 stars

Haven primary image

Haven

self-hostable private blogging

491 stars

Envizon primary image

Envizon

network visualization and pentest reporting

477 stars

Hackershare primary image

Hackershare

social bookmarking and knowledge-sharing

401 stars

Growstuff primary image

Growstuff

tool for small-scale food growers

386 stars

AppPerf primary image

AppPerf

application and performance monitoring tool

372 stars

Wreeto primary image

Wreeto

note-taking, knowledge management, and wiki

370 stars

Alaveteli primary image

Alaveteli

easy FOIA requests for any jurisdiction

333 stars

Workarea primary image

Workarea

enterprise-grade commerce platform

324 stars

Plylst primary image

Plylst

Spotify playlist tool

323 stars

alonetone primary image

alonetone

home for musicians, their tracks and albums

313 stars

Ekylibre primary image

Ekylibre

farm management information system

298 stars

Central primary image

Central

Fulcrum project planning tool fork

295 stars

Hitobito primary image

Hitobito

full-scale group hierarchy management

286 stars

Covidlist primary image

Covidlist

connect vaccinations with those who need to be vaccinated

264 stars

Upcase.com primary image

Upcase.com

learning platform for programming

250 stars

MarkUs primary image

MarkUs

submission and grading for student assignments

241 stars

Caffeinate primary image

Caffeinate

a framework for easily creating and scheduling email campaigns

228 stars

Datoji primary image

Datoji

easy JSON mocking for developers

225 stars

icare primary image

icare

carpooling platform

217 stars

OnRuby primary image

OnRuby

whitelabel for ruby community management

214 stars

Podify primary image

Podify

make podcasts from youtube-dl

214 stars

weg.li primary image

weg.li

report bad german parkers

201 stars

Coderwall primary image

Coderwall

Professional network for software engineers

198 stars

Expertiza primary image

Expertiza

peer-reviews app, supported by the National Science Foundation

175 stars

Helpful primary image

Helpful

simple and elegant support system

173 stars

kitsu primary image

kitsu

kitsu.io API server

170 stars

openSNP primary image

openSNP

annotate your SNP-set

162 stars

Trado primary image

Trado

simple e-commerce platform for developers

153 stars

Notebook Gallery primary image

Notebook Gallery

enterprise Jupyter notebook sharing and collaboration platform

142 stars

Amahi primary image

Amahi

your personal cloud and media server

139 stars

GitReports.com primary image

GitReports.com

allow anonymous users to submit bugs to GitHub repos

134 stars

Reservations primary image

Reservations

equipment loans and reservations software

132 stars

LumenDatabase primary image

LumenDatabase

database of legal complaints and requests for removals

123 stars

Splits.io primary image

Splits.io

speedrunning data and analysis

122 stars

Fairmondo primary image

Fairmondo

free market place in the hand of the users

108 stars

Dog API primary image

Dog API

an API for doggo info

106 stars

C2 primary image

C2

approval process automation

104 stars

Twist primary image

Twist

book review application

100 stars

Listed.to primary image

Listed.to

online publications with automatic newsletters

95 stars

Droptune primary image

Droptune

music notifications for Spotify and Apple Music

92 stars

Panoptes primary image

Panoptes

API to support user-defined research projects

91 stars

TagTeam primary image

TagTeam

social tagging for academics

85 stars

ebwiki.org primary image

ebwiki.org

database of police abuse cases against people of color

81 stars

TaxonWorks primary image

TaxonWorks

workbench for biodiversity informatics

75 stars

Skyderby primary image

Skyderby

flight analysis and competition scoring

75 stars

Violet primary image

Violet

automation, CMS, blog, forum and email thing.

74 stars

StockAid primary image

StockAid

manages inventory for the Grateful Garment Project

72 stars

Vinifera primary image

Vinifera

tool to monitor leaked secrets

71 stars

Coinfi primary image

Coinfi

crypto market intelligence platform

68 stars

AirCasting primary image

AirCasting

platform for gathering, visualization and sharing of environmental data

54 stars

Sanataro primary image

Sanataro

household accounting software

52 stars

Pokr primary image

Pokr

agile estimating and planning

52 stars

nokul primary image

nokul

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

47 stars

AskThem primary image

AskThem

monitor and interact with local government

40 stars

Verboice primary image

Verboice

Toolkit for people who literally "need a voice"

39 stars

Xrono primary image

Xrono

asset and time-tracking

37 stars

Abalone primary image

Abalone

data tracking and analytics for conservation efforts

33 stars

Rescue primary image

Rescue

save cute cuddly puppies

32 stars

HRMS primary image

HRMS

HR management

31 stars

Lale Help primary image

Lale Help

collaborative platform for refugee support

29 stars

Pig CI primary image

Pig CI

Rails performance monitoring, plus CI

18 stars

Outpost primary image

Outpost

service directories platform

11 stars

dokno primary image

dokno

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

9 stars

Recipy.fr primary image

Recipy.fr

defunct website of a recipe site

8 stars