Releases on May 31st, 2017 and before

packagist
craftcms/cms on PHP Packagist 3.0.0-beta.19
github
craftcms/cms on GitHub 3.0.0-beta.19
github
eclipse/jetty.project on GitHub jetty-9.4.6.v20170531
github
Azure/azure-sdk-for-python on GitHub azure-mgmt-sql_0.5.2
github
eclipse/jetty.project on GitHub jetty-9.3.20.v20170531
github
apache/trafficcontrol on GitHub RELEASE-1.8.1-RC0
github
mapsme/omim on GitHub beta-839
github
acpica/acpica on GitHub R05_31_17
Maybe you can find something interesting in this list