Mr.Spacely, of Spacely Sprockets, Inc. had a mustache: http://www.google.com/search?q=mr.+spacely&hl=en&prmd=imvns&tbm=isch&tbo=u&source=univ&sa=X&ei=YI2wTpafH9PPiALHnIAF&ved=0CD0QsAQ&biw=1080&bih=1282&sei=%20jY6wTsr-CsSmiQKg0Tw

TypeScript compiler for Sprockets

uModule wrapping for the Sprockets asset pipeline.

Single page slim prototyping (use of sass and compass and coffeescript is encouraged)

Stasis is a dynamic framework for static sites.

Build static websites smartly

Static site

Staticpress is a blog-focused static site generator. It uses Tilt for rendering nearly any template you can think of and come with a built-in Rack server for easy development previews.

Use a convenient and expressive DSL to feed the Status Board App by Panic with custom data. Benefit directly from rubys expressiveness without having to touch any server-related code.

Still an opinionated extensible static site generator.

Still Minimal

Initialize a WordPress project based on the Stump theme

Helpers for a style guide API provider and consumer with Tilt templates

Stylus JavaScript Templates in the asset pipeline.

Render Tilt templates in Syro routes.

Tansu is a web-application framework.

So I don't have to copy and paste a million times.

Tax generator is a simple XML processor and generator of HTMl files and uses celluloid to generate files in asyncronous way

A template-based form builder for Rails.

Template Mailer is a library that can be used to send emails that are created from templates. It makes use of the Tilt library to support a wide variety of templating systems and the Pony library for integration with mail servers.