F-Script is an open-source scripting layer dedicated to Cocoa. If you aren't using it yet, this is your chance to learn how it can improve your productivity as well as those of the users of your own Cocoa applications.

The developers of Rubinius, a version of the Ruby language mostly written in Ruby, have released stable version 1.0

Almost three months after the release of version 2.0, the Apache Jackrabbit developers have announced the availability of version 2.1 of their open source implementation of version 2.0 of the Content Repository for Java Technology API (JCR 2.0)

Microsoft's Jimmy Schementi and the IronRuby team have announced the first stable version of IronRuby, the Ruby runtime for the .NET platform's Dynamic Language Runtime

Ruboto developer Daniel Jackoway has released an experimental version of his Ruby implementation which can be used to generate applications for mobile operating system Android

"The reason why I advocate Ruby is straightforward : it's what the cutting edge Web developers use. When I coined the term WITA, I wanted to emphasize that this was a Web integrated architecture - not an IP integrated architecture. By integration, I mean integration of culture - the way that the community approaches, understands and tackles problems..."

According to the Mozilla developers, the latest development milestone is considered to be stable and it is expected to be the last release before the final version of Thunderbird 3.1 arrives "around mid-June"

The OpenSSH developers have released version 5.6/5.6p1 of their open source SSH (Secure Shell) implementation, fixing a number of bugs from the previous version and adding several new features

"NetBeans is an open-source IDE written in Java (somewhat like Eclipse, but not the same), and version 6.0 is the first with a Ruby-specific edition that focuses solidly on the things that Ruby and Ruby on Rails developers need. The NetBeans team have just released the first beta version..."