Releases on May 20th, 2016 and before

dockerhub
gitlab/gitlab-ee on Docker Hub 8.8.0-rc2.ee.0
npm
@types/i18n on Node.js NPM 0.0.10-alpha
npm
@types/bull on Node.js NPM 0.7.21-alpha
github
chromium/chromium on GitHub 50.0.2661.106
github
FarGroup/FarManager on GitHub builds/3.0.4684
github
FakeItEasy/FakeItEasy on GitHub 2.1.0-netcore-alpha1
github
FarGroup/FarManager on GitHub builds/3.0.4683
github
apache/trafficcontrol on GitHub RELEASE-1.5.1-RC0
Maybe you can find something interesting in this list