Railsで開発されているOSS

Shop系

appirits/elecoma: Ruby on Railsで開発されたネットショップ構築パッケージ

spree/spree: Spree is a complete, modular & API-driven open source ecommerce solution for Ruby on Rails

solidusio/solidus: Solidus, Rails eCommerce System

sharetribe/sharetribe: Open source marketplace platform
レンタル機能もあるP2Pマーケットプレイス

SNS

discourse/discourse: A platform for community discussion. Free, open, simple.
掲示板？

diaspora
参考:
マストドンの大先輩の分散SNS「diaspora*」お試しのチャンス？ - ITmedia NEWS

ruby-china/homeland: Open source discussion website.
掲示板？

coderwall/coderwall-next
開発者向けコミュニティ

loomio/loomio: Loomio is an open-source web application that helps groups of people to make decisions together.
掲示板

sudara/alonetone: The kick ass, open source, non-commercial home for musicians and their music
音楽SNS?

bikeindex/bike_index: All the code for the Bike Index, because we love you
自転車を登録しておくと、盗難された時とかに見つかる

ets-berkeley-edu/calcentral
学級SNS?

ifmeorg/ifme: Open source app to share mental health experiences with loved ones

if me is a community for mental health experiences

業務システム？

gitlabhq/gitlabhq: GitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com
Gitリポジトリマネージャー

zammad/zammad: Zammad is a web based open source helpdesk/customer support system
カスタマーサポートシステム

helpyio/helpy: Helpy is a modern, "mobile-first" helpdesk application built in Ruby. Features include multi-lingual knowledgebase, community discussions and private tickets integrated with email.
カスタマーサポートシステム

vteams/open-source-billing: Open Source Billing a super simple way to create and send invoices and receive payments online.
課金系のシステム？明細出したりとか？

opf/openproject: OpenProject is the leading open source project management software.
プロジェクトマネージメントシステム

edavis10/redmine: Redmine is a flexible project management web application written using Ruby on Rails framework. http://github.com/edavis10/redmine is the official git mirror of the svn repository
プロジェクトマネージメントシステム

agents
営業部隊の管理システム？

ivaldi/brimir: Email helpdesk built using Ruby on Rails and Zurb Foundation
Emailヘルプデスク

CMS

SpinaCMS/Spina: Spina CMS
Rails開発者向けの綺麗なCMS

mysociety/alaveteli: Provide a Freedom of Information request system for your jurisdiction
地域情報サイト？

その他アプリケーション

openstreetmap/openstreetmap-website: The rails application powering http://www.openstreetmap.org/
マップアプリ？

calagator/calagator: An event aggregator based in Portland, OR
イベントアグリゲーター？

The open LMS by Instructure, Inc.
学習管理システム

http://catarse.me
クラウドファンディング

codetriage/codetriage: Discover the best way to get started contributing to Open Source projects
コントリビュートできるOSSを見つける

Coursemology/coursemology2: Rails 5 re-write of Coursemology
ゲーミフィケーションのあるオンライン学習システム

Covoiturage Libre is a Carpooling Open Source platform, originally created for the French website https://covoiturage-libre.fr. Click on the button below to access it :

車の相乗りプラットフォーム

crowdai
データサイエンスチャレンジのプラットフォーム？

snibox/snibox: Self-hosted snippet manager
スニペットマネージャー

refinery/refinerycms: An extendable Ruby on Rails CMS that supports Rails 5.1+
CMS

TrestleAdmin/trestle: A modern, responsive admin framework for Ruby on Rails
adminフレームワーク

adamcooke/staytus: 💡 An open source solution for publishing the status of your services
サービスのヘルスチェック配信

その他

DefactoSoftware/Hours: Time registration that doesn't suck
新時代のタイムカード的な？

unicodeveloper/awesome-opensource-apps: Curated list of awesome open source crafted web & mobile applications - Learn, Fork, Contribute & Most Importantly Enjoy!
OSSのリストのリポジトリ

ekremkaraca/awesome-rails: A curated list of awesome things related to Ruby on Rails
OSSリストのリポジトリ

Trending Ruby on Rails repositories. July, 23 - DEV Community 👩‍💻👨‍💻