HEATKEYS

Android and Windows Mobile Developers - The Largest Community for Smartphone Hacks and Development of Apps

Twinkle is a soft phone for your voice over IP communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a SIP proxy to route your calls.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Learn mobile technologies like SMS, WAP / WAP 2.0, WML, WMLScript, XHTML MP and WCSS / WAP CSS through tutorials, articles and code examples.

Review of the top 100 network security tools (free or commercial), as voted on by 3,200 Nmap Security Scanner users

SMPlayer, free download. SMPlayer 0.6.9: Multiformat video player that doesn't need codecs. One of the most frustrating things about video playback is when you don't have the right codecs installed.

News and feature lists of Linux and BSD distributions.

LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.

AlternativeTo let you find new PC (Windows, Linux), Mac, iPhone, Android, Web/Online software based on applications you already know instead of useless categories. We make each application into a category. (AlternativeTo is sometimes called alternati...