you can create and update and delete and fetch(score of user,rank of user,pagenate) ranking_data on amazon simpledb.

It will add a score to a result with a rule given for the object

shows ranking

A Remote API (RAPI) interface.

Rails API Doc Generator. Parses the apidoc annotations to generate HTML pages.

Easy and simple way to package up your rack based application into a .rap (Ruby Application Package) for deployment to a web container that supports .rap such as ThunderCat.

Static asset packager and compressor with versioning and built-in view helpers. Compresses files only when they need compressing.

Simple static asset packaging. Compresses files only when they're updated.

Allows you to create tablular reports and output them to various formats interchangeably.

Raptest plumbs Rails assets pipeline detecting any issue that may come out during and after their deployment

Small Ruby library for ASCII drawing

Rateme is a simple rating plugin for active record

throttle load of block by calling sleep

hatena to Latex

Rutlas allows you to consume to the Atlas api without getting your hands dirty

A basic libary for json rpc that allow you to easly create one for your streamtype. It includes tcp json rpc on socket connections.

Ruby media streaming web application Simply install and run on a server. Access the web application with any well-supported HTML5 browser.

Written as a ruby gem, raxe is a series of macros for writing simpler haxe code for javascript compilation

Adds a bunch of methods to Ruby's Core Library, like Array#split or Hash#pick

An interpreter for BrainFuck that can also be embedded in your programs