Releases in May 2015 and before

github
mccxiv/tc on GitHub 1.0.0-beta.7
github
ajoberstar/grgit on GitHub v1.3.0-milestone.3
sourceforge
rufus.mirror on SourceForge v2.2/v2.2.zip v2.2/v2.2.tar.gz
github
request/request on GitHub v2.57.1 v2.57.0
sourceforge
dropit on SourceForge DropIt/v8.1/DropIt_v8.1_Source.zip DropIt/v8.1/DropIt_v8.1_Setup.exe DropIt/v8.1/DropIt_v8.1_Portable.zip
github
jbruchon/jdupes on GitHub fdupes-jody-1.51-jody5
github
glennrp/libpng on GitHub v1.6.18beta05
sourceforge
smplayer on SourceForge SMTube/15.5/smtube-15.5.17.6962-win32.exe
github
h2oai/h2o-3 on GitHub jenkins-master-3027
github
glennrp/libpng on GitHub v1.7.0beta61
Maybe you can find something interesting in this list