Post details of freeware that are found to be not portable here. Posts in the submissions forum relating to freeware found to be not portable should also be moved here.
Commercial product gone freeware, looking promising -- if it wasn't for that fuggly Ribbon... (found via Ghacks.net):
http://www.videosoftdev.com/free-video-converter wrote:VSDC Free Video Converter is a fast, powerful, feature-rich and easy-to-master multiformat video converter. Its main purpose is to edit and convert video files from one format into another. All popular video formats are supported, such as DVD, AVI, QuickTime Video (MOV, QT, MP4 and M4V), MPEG, WMV, FLV, Matroska Video (MKV), RealVideo (RM and RMVB), Mobile Video (3GP and 3G2), AMV, HD-video (H.264/AVC, AVCHD/MTS/M2TS, TOD/MOD and TS) and more. Any and all video and audio codecs are supported, including DivX, H.264/AVC, MP3 and AAC.
