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.

Free Code Camp - Learn to code by helping nonprofits.

Drupe - Next generation contact manager and dialer.

W3Schools - W3Schools is a web developers information website, with tutorials and references on web development...

Simple Contacts - Contact lens prescriptions from home

Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.