Maybe I'm just being old here, but MongoDB (initial release 2009) doesn't really feel like the old guard of open source to me.

Not calling dibs: fair enough.

Edit: Just noticed the pronoun you used and was confused. I vaguely remember these people (the creators of this product) from when they launched the product as, well, male.

Turns out they still are: Here's their separate blog post btw:

https://blog.astropad.com/a-message-from-astropads-founders/