This TextMate bundle adds syntax highlighting and snippets for Sinatra.
It was inspired by foca's sinatra-tmbundle which seems to have fallen somewhat out of date. This bundle contains an updated syntax and a lot more snippets.
Enjoy :-)
To install via Git:
mkdir -p ~/Library/Application\ Support/TextMate/Bundles
cd ~/Library/Application\ Support/TextMate/Bundles
git clone git://github.com/AzizLight/sinatra-tmbundle.git "Sinatra.tmbundle"
osascript -e 'tell app "TextMate" to reload bundles'