datagrip : Many databases, one tool ( https://www.jetbrains.com/datagrip/ )
mongodb : A high-performance, open source, schema-free document-oriented database ( https://www.mongodb.com )
mongodb-compass : The MongoDB GUI ( https://www.mongodb.com/products/compass )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a masterlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/masterlay-portage
If you have a problem : ycarus(-at-)zugaina.org