Pregnancy Countdown
Pregnancy Countdown Software for windows includes a countdown timer and tons of pregnancy and baby information. If you are pregnant and have a computer, this is a must have program to keep track of your pregnancy day by day, week by week and beyond the birth of your baby.
http://pregnancycountdown.regedanzter.com/pregnancy.exe - 1Mb - Download - Screenshot

MomToBe: The Pregnancy Assistant
MomToBe is a mother-to-be's Computerized Pregnancy Assistant. And MomToBe is a tool for the various stages for Mom in her journey to motherhood. MomToBe provides information on how to prepare for Pregnancy. You can plan/estimate the Due Date for the baby. ... So later in the pregnancy when you really need it, there is pregnancy humour. ... Information: such as, The Female Reproduction Cycle, Postpartum Symptoms, preparing for pregnancy and a very extensive glossary of pregnancy terms and jargon.
http://www.storks-store.com/Downloads/mom2Be.exe - 8Mb - Download - Screenshot

Heybaby (For PocketPC)
Heybaby is your complete pregnancy tracking companion. Heybaby allows you to easily monitor your pregnancy progress, helps you pick baby names, plus a host of other useful information and tools. Perfect for the soon to be Mom and Dad. Heybaby includes the following exciting features: * UPDATED... In addition, this feature will also estimate the due date should pregnancy occur on the ovulation date. ... Calculates Days till due date, Current Trimester (In addition to dates for each trimester), Current day number, Current Week, etc.
http://www.wagware.com/downloads/released/Heybaby_PPC_WAG.zip - 913Kb - Download - Screenshot

Heybaby (For PalmOS)
Heybaby is your complete pregnancy tracking companion. Heybaby allows you to easily monitor your pregnancy progress, helps you pick baby names, plus a host of other useful information and tools. Perfect for the soon to be Mom and Dad. Heybaby includes the following exciting features: - UPDATED... - NEW Glossary of Pregnancy terms - A comprehensive list of almost 100 terms and definitions complete with partial word search capability. ... Calculates Days till due date, Current Trimester (In addition to dates for each trimester), Current day number, Current Week, etc.
http://www.wagware.com/downloads/released/Heybaby_PALM_WAG.zip - 457Kb - Download - Screenshot

Hormonal Forecaster - Fertility Software
The Hormonal Forecaster easily charts ovulation and fertility to help you achieve or avoid conception and pregnancy by charting the most fertile days of a woman's cycle. The program uses Natural Family Planning techniques such as symptothermal fertility, basal body temperatures, cervical mucus... The program's 'Pregnancy Advisory' chart allows you to graphically see which days you will be most fertile and therefore most likely to become pregnant. ... A personal six day forecast warns you of highly probable events while other graphs allow you to see how certain events are related to the...
http://www.hormonalforecaster.com/hfc/hfcsetup.exe - 2Mb - Download - Screenshot