Puma
DevOpsA fast, concurrent web server for Ruby and Rails
Products using Puma
InventList is the public home for indie builders. Log every ship (releases, features, bug fixes), build Series with live embeds of your actual work, keep a journey dashboard, and share your story in one permanent place. Includes a CLI for shipping from the terminal, roadmaps, collections, and a weekly "What Shipped This Week" digest. Free forever, built for operators-of-one who ship in public.
Conductor
GemA control plane for self-hosted Rails operations. One place to run, monitor, and maintain apps across mixed infrastructure - Kamal and Docker or native Caddy and Puma. Fleet dashboard, SSH execution, deploys, backups, alerts, and recurring jobs over servers you already own.
Docuseal
SaaSOpen source DocuSign alternative. Create, fill, and sign digital documents ✍️
Theodinproject
SaaSFree, open source full-stack web development curriculum covering HTML, CSS, JavaScript, and Ruby on Rails, built by and for the community.
Ifme
SaaSFree, open source mental health communication web app to share experiences with loved ones
Monitor performance of you Rails applications (self-hosted and free)
Zealot
SaaSSelf-hosted Beta App Distribution for Android, iOS, macOS, Linux and Windows apps | 开源自部署移动应用、 macOS、Linux 和 Windows 应用分发平台,提供 iOS、Android SDK、fastlane 等丰富组件库
Draper
GemDecorator/view-model library for Rails that keeps presentation logic out of models and views, in dedicated decorator classes.
Refinerycms
GemAn extendable Ruby on Rails CMS that supports Rails 6.1 to 8.1+ and Ruby 3.x to 4.x
Homeland
SaaS:circus_tent: An open source forum/community system based on Rails, developed based on Ruby China.
Gitlabhq
SaaSGitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com
Blackcandy
SaaSSelf-hosted music streaming server for playing your own audio library from any device, built as a Rails app.
Flipper
GemFeature flag library for Ruby that lets you roll out features gradually, run A/B tests, and toggle functionality without deploying.
Rails
GemThe web application framework that powers this entire directory - convention over configuration, batteries included.
Huginn
DevToolSystem for building agents that perform automated tasks. IFTTT alternative.
Avo
GemRuby on Rails admin panel framework for quickly building internal tools and dashboards without writing repetitive CRUD views by hand.
Locomote
CMSFlexible content management system built on Rails and MongoDB, giving developers full control over templates and data models.
Errbit
DevToolOpen source, self-hosted error catcher for Rails apps, API-compatible with Airbrake so you can host your own error tracking.
Openproject
SaaSOpenProject is the leading open source project management software for product, project and portfolio management. A powerful Jira alternative with agile planning, issue tracking, roadmaps, Gantt charts, time tracking, collaboration features, and more. Available on premises or in the cloud. ⭐Star us on GitHub
Rails Markup
GemPoint-and-click annotation tool for Rails apps. Click any element, describe what needs to change, and your AI agent reads and acts on your feedback via MCP. Screenshots with drawing tools, kanban board, author attribution, and notification hooks.
Pagy
SaaSFast, lightweight pagination gem for Ruby apps, designed to be simpler and more performant than older pagination libraries.
Fizzy
SaaSKanban board tool from 37signals for tracking work visually across a team, built with the same simplicity ethos as their other products.