FreeWare! The best GPS Lap Timing SW since 2007! RaceChrono! www.racechrono.com
If you use RaceChrono, please make a donation to support developement of RaceChrono: www.racechrono.com/news/?p=90

RaceChrono forum: www.racechrono.com/forum

RaceDAC @ RaceChrono forum: www.racechrono.com/forum/comments.php?DiscussionID=541

FreeWare! RaceDAC client (Version 0.1 Alpha) for Windows by Tomi Kaihlaniemi
NOTE: This is unsupported and free software, use at your own risk! http://absum.net/racedac-client

Serial Terminal sw:
FreeWare! PuTTY http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
FreeWare! RealTerm http://realterm.sourceforge.net/
FreeWare! TeraTerm http://www.tucows.com/preview/195282

Data logging sw:
FreeWare! RS232 COM Port Logger http://www.com-port-monitoring.com/datalogger.html

Data analysing softwares:
FreeWare! PC-version of RaceChrono: http://www.racechrono.com/download/
FreeWare! Performance Tools: http://www.performancebox.co.uk/dlsoftware.html
FreeWare! Circuit Tools: http://www.velocitybox.co.uk/index.php/en/support/40-software.html
FreeWare! Live Graph: http://www.live-graph.org/