Releases on May 18th, 2015 and before

sourceforge
cvassistant on SourceForge old/cvassistant_1.0.0.tar.bz2 cvassistant_1.0.1.tar.bz2
npm
sails on Node.js NPM 0.12.0-rc1
yarn
mongodb on Node.js Yarn 2.0.32 1.4.38
github
FarGroup/FarManager on GitHub builds/3.0.4381
github
apache/hive on GitHub release-1.2.0
github
edx/edx-platform on GitHub release-2015-05-18
sourceforge
camstudio/stable on SourceForge CamStudio_Setup_2-7_r316.exe
github
h5p/h5p-php-library on GitHub Drupal-7.x-1.7
github
GNOME/gnome-builder on GitHub GNOME_BUILDER_3_16_3
github
apache/hbase on GitHub 1.1.0.1RC0 1.0.1.1RC0 0.98.12.1RC0
sourceforge
nikkhokkho/FileOptimizer on SourceForge 7.70.1282/FileOptimizerSetup.exe 7.70.1282/FileOptimizerFull.zip 7.70.1282/FileOptimizerSource.7z
Maybe you can find something interesting in this list