SmallDevTools - Handy developer tools with a delightful interface
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Drupe - Next generation contact manager and dialer.
Profitable developer tools database - A database of 103+ hand-curated profitable developer tools
Simple Contacts - Contact lens prescriptions from home