AstroAviBrowser is a small tool for astronomy imaging capture/processing. It allows you to open a video file, select the good frames, and save the new sequence in a new avi file using raw or lossless codecs. You may also de-bayer your frames and separate RGB plans. It's a kind of "AviRaw" for Linux.
Kigo Video Converter Ultimate for Mac is a video converter and editor. It supports converting between popular video formats, including FLV, MPEG1, MPEG2, MP4, 3GP, 3G2, MOV, AVI, M2TS, MPEG TS/TP (for HD Video), and M4V with good output quality and high conversion speed. It can also edit videos by clipping, splitting and merging videos, or adding special video effects.