gtkwave has been upgraded to 3.3.10. New features include a VCD recorder, dynamic zlib compression, support for dual view of waveforms, the ability to use the viewer as a plugin for external applications and more. Review CHANGELOG.TXT for full details.
2010.05.27 of 'kicad now includes the ability to edit footprint names, enhancements in SVG format output, and VRML export. For details refer to the changelog at http://bazaar.launchpad.net/~kicad-testing-committers/kicad/testing/annotate/head%3A/CHANGELOG.txt
ngspics 21 includes a compatibility mode for working with other simulators, additional devices, a "pipe" mode and tabulated output. Documentation is now available in pdf form. Read all about it at http://ngspice.sourceforge.net/ .