Novu - The open-source notification infrastructure
novu.co
Just discovered it, didnt try, but here is the documentation to deploy it with docker: https://docs.novu.co/overview/docker-deploy
Just discovered it, didnt try, but here is the documentation to deploy it with docker: https://docs.novu.co/overview/docker-deploy
There's also ntfy.sh which can be self-hosted for free as well.