Releases on May 11th, 2015 and before

github
discourse/discourse on GitHub v1.3.0.beta8 v1.2.4
npm
spark on Node.js NPM 0.5.4 0.5.3
github
apple/llvm-project on GitHub llvmorg-3.6.1-rc1
github
MrAlex94/Waterfox on GitHub B2G_2_0_20150511_MERGEDAY B2G_2_2_20150511_MERGEDAY B2G_2_1s_20150511_MERGEDAY B2G_1_4_20150511_MERGEDAY B2G_2_1_20150511_MERGEDAY
github
apache/nifi on GitHub nifi-0.1.0-incubating-rc13 nifi-nar-maven-plugin-1.0.1-incubating-rc13
github
apache/nifi on GitHub nifi-parent-1.0.0-incubating-rc13
sourceforge
git-osx-installer on SourceForge git-2.4.0-intel-universal-mavericks.dmg
Maybe you can find something interesting in this list