Retriever by RailsUI: Tailwind PaaS UI Kit

What Is the Retriever Theme?

Retriever Theme - Admin

Retriever is a premium Platform-as-a-Service theme for RailsUI that mimics Heroku’s feel, giving developers server, deployment, and database management screens that live entirely inside their Rails app.

Features ✨

28 + pre-designed pages covering dashboards, billing, auth, and marketing
50 + Tailwind-v4 components such as badges, modals, and tabs
Stimulus-powered interactivity without a bulky JS framework
Dark-mode ready across every view and email template
Responsive out-of-the-box—tested on common break-points
Rails 8 + Tailwind v4 stack confirmed in March 28 2025 release v3.1.3

Included Components 📒

Accordion • Alert • Badge • Button • Card • Dropdown • Modal • Switch • Avatar • Toast • Tooltip + 30 more, accessible in /app/views/rui after install.

Pros & Cons

Pros ✅

PaaS focus: ships deployment & database flows most themes omit
Time-saver: replaces weeks of UI/DevOps dashboard work
Rails-first install: rails railsui:install + choose Retriever
Active project: 430 + GitHub stars, frequent theme updates in 2025

Cons ⚠️

Paid licence required (Retriever is marked Premium)
Tailwind styling may clash with legacy Bootstrap setups
Importmaps/Propshaft remain untested per docs
Niche: best for DevOps-style products, not general SaaS 📦

Integration

Add gem "railsui" then run rails railsui:install and pick Retriever in the wizard
Works with cssbundling-rails & jsbundling-rails (esbuild, bun, rollup, webpack)
Tailwind brand colours stored in /stylesheets/railsui/theme.css for quick palette swaps
Stimulus controllers for dropdowns, modals, toast notifications—all Turbo-friendly

FAQ

How many pages are included?

28 + views at launch, with more added each release.

Which Rails versions are supported?

Officially Rails 7 & 8; earlier versions may need tweaks.

Is Retriever open-source?

Core gem is MIT, but Retriever needs a paid licence for full assets.

Retriever