Lumber tries to make it easy to use the more robust log4r logging system within your rails application. To do this it sets up log4r configuration from a yml file, and provides utility methods for adding a :logger accessor to classes dynamicaly as they get created.

LutaML: data models in textual form

Simple job queue system based on mongodb

Mango is a dynamic, database-free, and open source website framework that is designed to make life easier for small teams of designers, developers, and content writers.

Helps with markdown editing

Coneveniently renders and launches any markup formatted file within your browser.

JavaScript enabled web crawler kit

iPhone friendly sinatra web UI for God

Hack with haml, sass, jquery and coffee-script!

Ruby SDK for mifiel.com.

A Ruby gem for faking external web services for testing

A quick way of mocking an external web service you want to consume.

A webmock DSL using sinatra.

Simple but powerful tool for managing mongodb databases

Resque is a Redis-backed Ruby library for creating background jobs, placing those jobs on multiple queues, and processing them later. Mongo-Resque is the same thing, but for mongo. It would not exist without the work of defunkt and ctrochalakis on github.

Screenshot-based assertions for RubyMotion projects

Ruby Daemon collects statistics via UDP packets, stores them in Mongo, and then views them via a user friendly Sintra app.

Mustache support for Sinatra applications

Sinatra server api framework to run custom bytecode on Nabaztag v1/v2. Sources + Compiler included (linux only)

Async web framework