Best for Networking

totspot.com
What it is: Part online baby book, part social site. Parents create secure MySpace-like profiles for their kids and share pictures and milestones with loved ones.

Why it's worth your time: You can save the hours calling Aunt Fran about baby’s first word and e-mailing Uncle Joe about tot’s first soccer goal. They can see it all here.

Don't miss: The growth-chart application, which allows you to monitor your child’s development without marking up the walls.

raisingthem.com
What it is: A six-degrees-of-separation site where you get together with parents you know and the people they know.

Why it's worth your time: Because having a playdate with a parent you don’t know can be just as awkward as a blind date.

Don't miss: The online support groups for people in the same boat (parents of multiples, parents of special-needs kids, parents of more than four children, etc.).

motherhoodlater.com
What it is: A cyber powwow for the over-35 set, with encouraging info about fertility and surrogacy, plus lots of local chapter information for playdate planning.

Why it's worth your time: You risk embarrassment by admitting your teenage crush on Donny Osmond to a bunch of 20-somethings. These women can relate.

Don't miss: The hilarious blogs. Waxing poetic on everything from menopause to dealing with the cringe-inducing “Are you his mom or his grandma?” inquiry.