ToneTool is a J2ME application for generating various tones and selective calling sequences used in professional radio communication systems. By using a mobile phone, one does not need any external hardware encoder, tone dialer, or expensive radiotelephone. Currently supported modes are DTMF, Select-V, and 1750 Hz repeater tone.
Checking of IP addresses to see if they're on any (important) RBLs.
A seed project that combines Play Framework, AngularJS, Bootstrap, and MongoDB..