Releases in April 2015 and before

yarn
react-dnd on Node.js Yarn 1.0.0-alpha.1
npm
video.js on Node.js NPM 5.0.0-4 5.0.0-3
github
wso2/product-is on GitHub product-is-5.1.0-M1
gitlab
libvirt/libvirt on GitLab v1.2.15-rc2
github
h2oai/h2o-3 on GitHub jenkins-master-1175
github
apache/cxf on GitHub cxf-3.0.5
github
belaban/JGroups on GitHub JGroups-3.2.14.Final
github
apache/cxf on GitHub cxf-2.7.16
Maybe you can find something interesting in this list