Sinatra refactored, only eight lines now.
Makes middleware that ships with Rack bullet-proof for async responses.
Yet Another Open Source GitHub Clone
ChiliProject is a web based project management system built on Ruby on Rails
Like NewGem, but way simpler, leaves no traces, extremely minimal boiler plate. Automatically handles extensions for Rack, Yard, Sinatra, etc correctly.
Scripting Languages on Hadoop: Jaql vs. Pig Latin (MapReduce stuff)
Liquid markup language. Safe, customer facing template language for flexible web apps.
papers for hpi
Pong for Spartan3 FPGA-Board written in VHDL
You should use protection!
Smalltalk on Rubinius
Some base libraries for writing a windowmanager in ruby.
the best damn presentation software a developer could ever love
A simple authenticator using Kerberos 5 through JRuby's FFI
Classy web-development dressed in a DSL (official / canonical repo)
Collection of common Sinatra extensions