Giftag is gift registry Add On for FireFox and Explorer. It lets you pick things from any site, add them to a list, and share that list where ever you want. Its free, it supports open standards, and its recently been re-platformed on Google App Engine.
Here’s a quick recap from our development team about why we chose GAE, what we like about it, what APIs we use, what we wish it had, and a few tips for people getting started on GAE.
Here are links to the documentation mentioned:
Sharding Counters by Joe Gregario
