Call2friends - High-quality cheap and free international calls online to any mobile or landline numbers from internet and free calling app - cheaper than other VoiP providers. Try it now!

rubular - A ruby based regular expression editor

Poptox - Poptox is a web application where you can communicate with people in every corner of the world.

RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.

IEvaphone - IEvaphone is a web service that can be used for connecting with friends and family overseas and for making important business calls providing its users the luxury to make a call to any place in the world with just a secure internet connection.

RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.