Adrian Fourie wrote a program called StarLove: It matches two people's birthcharts as well as their progressed charts for compatibility.
Dashboard Utility (OS-X): Biorhythms-Freeware-Programme
Biorhythm-Programme «Bio (2.3g/e)»
Bio-2.3g/e calculates and prints your and your partners biorhythms.
A partner-analysis shows, how harmonious your rhythms are. Languages: English,
German, French and Italian.
Download Biorhythm-Shareware-Programme Bio-2.3-g/e for Mac-OS-9 click here! (download)