I had never heard of OlegDB before. The quotes on the homepage crack me up!
A database for:
when you just don’t need multi-master replication.
when those other databases are just too relational.
when you’re not quite sure what web scale means.
Indeed…I see they sell stickers, but I want a T-shirt with this on it: https://olegdb.org/static/img/olegdb.svg