Firefogg.org/nightly
 ffmpeg
4.1 MB / Today		  ffmpeg
3.9 MB / 2012-05-13		  ffmpeg
3.8 MB / 2012-05-11
 ffmpeg2theora
4.1 MB / 2012-05-12		  ffmpeg2theora
3.8 MB / 2012-05-12		  ffmpeg2theora
3.8 MB / Today
 oggcat
120 KB / 2010-01-07		  oggcat
287 KB / 2011-05-09		  oggcat
188 KB / 2011-05-09
 oggindex
157 KB / Today		  oggindex
165 KB / 2012-05-13		  oggindex
290 KB / Today
 oggindexvalid
154 KB / Today		  oggindexvalid
162 KB / 2012-05-13		  oggindexvalid
288 KB / Today
 oggsilence
1.6 MB / 2010-01-07		  oggsilence
2.2 MB / 2011-05-09		  oggsilence
218 KB / 2011-05-09
 oggz-chop
33 KB / Today		  oggz-chop
32 KB / 2012-05-13		  oggz-chop
133 KB / Today
 oggz-codecs
28 KB / Today		  oggz-codecs
27 KB / 2012-05-13		  oggz-codecs
98 KB / Today
 oggz-comment
29 KB / Today		  oggz-comment
28 KB / 2012-05-13		  oggz-comment
99 KB / Today
 oggz-dump
31 KB / Today		  oggz-dump
30 KB / 2012-05-13		  oggz-dump
101 KB / Today
 oggz-info
31 KB / Today		  oggz-info
30 KB / 2012-05-13		  oggz-info
105 KB / Today
 oggz-merge
29 KB / Today		  oggz-merge
28 KB / 2012-05-13		  oggz-merge
98 KB / Today
 oggz-rip
29 KB / Today		  oggz-rip
28 KB / 2012-05-13		  oggz-rip
98 KB / Today
 oggz-scan
28 KB / Today		  oggz-scan
27 KB / 2012-05-13		  oggz-scan
95 KB / Today
 oggz-sort
29 KB / Today		  oggz-sort
28 KB / 2012-05-13		  oggz-sort
98 KB / Today
 oggz-validate
30 KB / Today		  oggz-validate
29 KB / 2012-05-13		  oggz-validate
99 KB / Today
 png2theora
185 KB / 2011-05-09		  png2theora
374 KB / 2011-05-09		  png2theora
200 KB / 2011-05-09

the repositroy of the build system is at 
  bzr branch http://firefogg.org/dev/firefogg_buildd
copy of source used in last build