• Memory use is about 150 MiB for a fresh install, 600 MiB after a week (by joining a dozen largest available rooms). After an extended period memory use may grow to around 1 GiB give or take.

• Database is RocksDB. Fast. Small. Tough to query directly. ;-) But you have both console and !control room.

• It's written mainly in C++. It's fast.

• Created around 2008 and forked around 2016.

• Entered beta-testing stage around 2020-04-28.

• Has zero (or less) support from New Vector or the Matrix.org Foundation.

• It is cool. :-)