» Advanced Biorhythms - A biorhythms calculator with charts, printable monthly calendar and partners' compatibility reports.

» BioLoveMatch.com - Calculates the biorhythm compatibility between you and your (potential) loved one.

» Biomatch - Matchmaking service offering gift, compatibility and daily biorhythm charts.

» Biorhythm Calendar - Personalized yearly calendar with biorhythm and astrological information.

» Biorhythms - Shareware program for Windows. [English and Danish]

» Biorhythms - Two-week Biorythm calculator with graph and explanation.

» Biorhythms: Biorhythms and Cycles - Many links to biorhythm, biocycle and related websites.

» Biorhythms for Windows - Software to calculate one person's graph, or compare graphs of two people for compatibility.

» Biorhythms Studio II - Windows software to graph and analyze biorhythms, including compatibility.

» Biorhythms 4U - Offers a variety of charts for sale, including celebrity samples.

» BioRich Biorhythms - Biorhythm charts of any length for sale.

» BioStats - BioStats, Biorhythms software for windows PCs, the 4 biorhythms and 4 extended (I-Ching) rhythms -- compatibility reading, print charts and reports.

» CelebMatch.com - Compares biorhythms with a celebrity's date of birth and that entered.

» The Celebrity Biorhythm Calculator - Online calculator compares the graphs of two people. Database of celebrities to compare, or enter your own birthday.

» Daily Biorhythms - Your daily biorhythms plus a short interpretation.

» DailyBiorhythm.com - Shows your personal biorhythm.

» Dynamic Biorhythms - Windows software that calculates and compares biorhythms. Also provides associated astrology information.

» Fast Web Biorhythm Charts - Provides fast, free, bookmarkable biorhythm charts. Optional cookies allows daily viewing of chart without the re-entering of birthdays. Customize the chart size and color for easiest viewing/printing.

» Free Daily Biorhythms - Web based charting program with brief description of cycles.

» Friends and Lovers - Offers daily compatibility checks. The chart provides you and your partner's "balanced", "alert", and "critical" indications side by side for each day of the chart period.

» G·Wave Solutions - BioWIN software charts Primary, Secondary and I Ching Cycles, and includes celebrity samples.

» Life Cycles Matrix(R) System and Synchronicity - Working with birthdays and repeating life cycles for better insight in your life evolution in relationship, job, business, career, study, household or child caring.

» My Biorhythms - Biorhythm program for sale, with several report formats, charts and tools. Calculate compatibility quotients, export to other programs, and calendar.

» Perbang: Biorhythm Calculator - Web based script available for use on other sites.

» Queensoft Software Development - Developer of shareware and freeware applications and games, including a biorhythm charting program. Software overviews, screenshots, and downloads.

» Retro Software Designs - General information and online plotting program.

» Sandman's Biorhythm - Get a quick biorhythm chart for the current period. Fast chart generation

» 'SoftRhythm' Software - Biorhythm software for PCs with Windows.

» 1st Biorhythm - Biorhythm plotting software program. Standard and I-Ching biorhythms.

» Ugo's Web - Find several programs and works about computer science, artificial intelligence and programming, and some Java games such as Biorhythm.