I love Cricket's Circle because it has lots of helpful information that makes my life as a mom easier. This site was a source of inspiration for me as I created blueberrymom.com, and you'll always find helpful checklists on Cricket's Circle - fantastically concise and "to the point" resources busy moms looking to be more efficient can benefit from.
I love The Tig because it celebrates the finer things in life - without arrogance, or disdain for the ordinary. I'm also a fan of Meghan Markle, the creator of The Tig, an actress who's currently on Suits. She's someone who has not just settled for Hollywood fame, but instead continues trying to make the world a better place. Her most recent role as UN Women Advocate for Women't Leadership & Political Participation is more than admirable. Enjoy, as I do, The Tig.
TED is a nonprofit devoted to spreading ideas, usually in the form of short, powerful talks (18 minutes or less). I try to watch a TED video once a month, and I always walk away learning something new, and more often than not - inspired to spread my own ideas.