[LilyFrenchPants]

> old school opensource, which is a bit surprising from meta

Aren't you a cheeky lad? Metea turned out lots of open-source database systems:

* RocksDB

* Hive

* Presto

* Cassandra

* Velox

LFP

[KaiserPro]

I should have been more precise, I have added an additional comment.

[optymizer]

and, you know... React.

[lostmsu]

And ... PyTorch