The winners of the April 2010 calls are:
Echo cancellation in PulseAudio
Extend the PulseAudio sound server to support echo cancellation technologies, needed for high quality VoIP conferencing.
XSSer, Cross Site Scripting tester
Automates the process of detecting and exploiting XSS injections in various applications.
GSM Security Project, debugging GSM transactions.
The GSM cell phone standard uses outdated security and provides much less protection than its increasing use in security applications suggests. A tool will be created to record and analyze GSM data.
Collect all publicly visible TLS CA certificates to search for Man In The Middle attacks and to measure the extent to which browsers really need to trust the CAs.
ODF Global Recipes
Demonstrating what ODF libraries can do (and how) and attract users to them. Advancing the cause of ODF by showing its effectiveness and simplicity compared to OOXML.