1. HanaAn implementation of JSON Patch and JSON Pointer
2. RecmaPure ruby javascript parser and interpreter.
3. DnssdMulticast DNS client for ruby! YAY!
4. EnterpriseMake ruby ruby application enter the enterprise with the enterprise gem
7. Rexicalrexical is a lexical scanner generator for ruby
9. TuskMessage busses with Observable API
10. NfcNFC is a ruby wrapper for the Near Field Communication library.
25. widenA library for narrowing and widening characters
27. paddlePaddle is an rdoc plugin for emitting epub books suitable for use with iBooks
34. takaTaka is a DOM (core and html) implementation for Ruby
39. earwormWhat is that song? Earworm uses libofa and MusicDNS to tell you.