Family by Design matches people who aren't in a position to have a child on their own with others to share co-parenting responsibilities.

WSJ: Tech's Over-Sharing Economy

Thousands of parents have participated in nearly 600 parenting courses designed and facilitated to help them improve parenting skills and to share tips, techniques and general information to help parents responsibly manage their families, including becoming active in ways that improve their communities.

WHITEHOUSE: Black Star

But overall we got along really well and found we had lots to share about the challenges of juggling our similar jobs with parenting.

CNN: A kind of courtship: Finding a mom friend in the big city

The recently launched site prompts members to submit copies of government-issued identification and fill out detailed profiles and compatibility surveys to "share with other prospective parents who they are and how they think about parenting, " Mr. Spedale says.

WSJ: Tech's Over-Sharing Economy