Releases on May 16th, 2015 and before

gitlab
shorewall/release on GitLab 4.6.10-Beta1
github
postcss/postcss on GitHub 4.1.11 4.1.10
github
koreader/koreader on GitHub koreader-nightly-20150516
sourceforge
avidemux/avidemux on SourceForge 2.6.9/avidemux_2.6.9_v2_win64.exe 2.6.9/avidemux_2.6.9_v2_win32.exe
github
h2oai/h2o-3 on GitHub jenkins-master-1208
sourceforge
smplayer on SourceForge SMTube/15.5/smtube-15.5.10.6941-x64.exe
github
FarGroup/FarManager on GitHub builds/3.0.4380
github
showdownjs/showdown on GitHub 1.0.0-alpha.2
Maybe you can find something interesting in this list