Firefogg.org/nightly
 ffmpeg
5.3 MB / Today		  ffmpeg
4.5 MB / 2013-05-20		  ffmpeg
4.5 MB / Today
 ffmpeg2theora
5.1 MB / 2013-03-12		  ffmpeg2theora
4.4 MB / 2013-03-08		  ffmpeg2theora
4.4 MB / 2013-03-12
 oggcat
120 KB / 2010-01-07		  oggcat
287 KB / 2011-05-09		  oggcat
188 KB / 2011-05-09
 oggindex
171 KB / Today		  oggindex
166 KB / 2013-05-20		  oggindex
170 KB / Today
 oggindexvalid
169 KB / Today		  oggindexvalid
163 KB / 2013-05-20		  oggindexvalid
167 KB / Today
 oggsilence
1.6 MB / 2010-01-07		  oggsilence
2.2 MB / 2011-05-09		  oggsilence
218 KB / 2011-05-09
 oggz-chop
43 KB / Today		  oggz-chop
34 KB / 2013-05-20		  oggz-chop
174 KB / Today
 oggz-codecs
36 KB / Today		  oggz-codecs
28 KB / 2013-05-20		  oggz-codecs
152 KB / Today
 oggz-comment
37 KB / Today		  oggz-comment
29 KB / 2013-05-20		  oggz-comment
154 KB / Today
 oggz-dump
39 KB / Today		  oggz-dump
31 KB / 2013-05-20		  oggz-dump
156 KB / Today
 oggz-info
39 KB / Today		  oggz-info
31 KB / 2013-05-20		  oggz-info
162 KB / Today
 oggz-merge
37 KB / Today		  oggz-merge
29 KB / 2013-05-20		  oggz-merge
153 KB / Today
 oggz-rip
37 KB / Today		  oggz-rip
29 KB / 2013-05-20		  oggz-rip
153 KB / Today
 oggz-scan
36 KB / Today		  oggz-scan
28 KB / 2013-05-20		  oggz-scan
151 KB / Today
 oggz-sort
36 KB / Today		  oggz-sort
29 KB / 2013-05-20		  oggz-sort
153 KB / Today
 oggz-validate
38 KB / Today		  oggz-validate
30 KB / 2013-05-20		  oggz-validate
155 KB / Today
 opusdec
97 KB / Today		  opusdec
85 KB / 2013-05-20		  opusdec
194 KB / Today
 opusenc
173 KB / Today		  opusenc
160 KB / 2013-05-20		  opusenc
275 KB / Today
 opusinfo
18 KB / Today		  opusinfo
16 KB / 2013-05-20		  opusinfo
83 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