Releases on June 8th, 2019 and before

dockerhub
strimzi/kafka on Docker Hub 0.12.0-rc2-kafka-2.1.0 0.12.0-rc2-kafka-2.1.1
dockerhub
nats on Docker Hub 2.0.0-linux
dockerhub
strimzi/kafka on Docker Hub 0.12.0-rc2-kafka-2.2.1 0.12.0-rc2-kafka-2.2.0
github
FarGroup/FarManager on GitHub ci/v3.0.5410.968
dockerhub
bitnami/rabbitmq on Docker Hub 3.7.15-ol-7-r23
dockerhub
bitnami/moodle on Docker Hub 3.7.0-ol-7-r23
github
FarGroup/FarManager on GitHub builds/3.0.5410
github
vercel/vercel on GitHub 15.4.0-canary.3
github
bitnami/bitnami-docker-redis on GitHub 4.0.14-centos-7-r15 5.0.5-ol-7-r29 4.0.14-debian-9-r67
github
mybb/mybb on GitHub mybb_1821_build
github
dimagi/commcare-hq on GitHub 2019-06-08_20.55-production-setup_release
Maybe you can find something interesting in this list