Releases on May 1st, 2019 and before

dockerhub
minio/mc on Docker Hub RELEASE.2019-05-01T23-27-44Z
yarn
firebase on Node.js Yarn 5.11.0-canary.a7bb0b5
github
plexinc/plex-media-player on GitHub v2.33.1.979-c4087ea7
github
rancher/ui on GitHub v2.2.53
yarn
firebase on Node.js Yarn 5.11.0-canary.aca9966
github
Azure/azure-sdk-for-python on GitHub azure-mgmt-apimanagement_0.1.0
yarn
firebase on Node.js Yarn 5.11.0-canary.f7a46de
github
microsoft/fast on GitHub @microsoft/fast-tooling-react@1.4.0 @microsoft/fast-markdown-msft-react@4.1.5 @microsoft/fast-development-site-react@4.1.3 @microsoft/fast-components-styles-msft@4.9.1 @microsoft/fast-components-react-msft@4.6.1 @microsoft/fast-components-react-base@4.4.1
github
chromium/chromium on GitHub 75.0.3770.18
github
Azure/azure-sdk-for-python on GitHub azure-mgmt-cognitiveservices_4.0.0
github
FarGroup/FarManager on GitHub ci/v3.0.5392.869
github
nwjs/nw.js on GitHub nw-v0.38.2
github
FarGroup/FarManager on GitHub builds/3.0.5392
github
ionic-team/stencil on GitHub v1.0.0-alpha.16
Maybe you can find something interesting in this list