Releases on May 27th, 2014 and before

packagist
craftcms/cms on PHP Packagist 2.1.0-alpha.2547
github
craftcms/cms on GitHub 2.1.0-alpha.2547
packagist
craftcms/cms on PHP Packagist 2.1.0-alpha.2546
github
craftcms/cms on GitHub 2.1.0-alpha.2546
github
vatesfr/xen-orchestra on GitHub xo-cli-v0.2.2 xo-cli-v0.2.1
github
kongchen/swagger-maven-plugin on GitHub swagger-maven-plugin-2.2
github
glennrp/libpng on GitHub v1.6.11rc01
github
erlang/otp on GitHub OTP-17.0.2
github
kiegroup/drools on GitHub 6.1.0.Beta4
Maybe you can find something interesting in this list