nodo - Manage your daily tasks in the command line

Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

Prompt - Prompt provides fully-integrated writing education solutions, combining instruction, curriculum, and feedback. We support educational institutions, companies, and individuals.

TextMe - TextMe is a free calls and messaging application at both local and international levels.

Commandline Challenge - Test your command line skills

Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.