For desktop PCs, Rymdport (formerly wormhole-gui) may be suitable. It's cross-platform with pre-built binaries for FreeBSD, Linux, macOS and Windows on x86-64 and arm64:
I'm the defacto maintainer of the Meteor MySQL integration. Since 2015, I've been involved in the design and maintenance of six different Meteor webapps for real-time geospatial applications built for B2B and B2C.
Given this, I reject your assertion that Meteor is limited to MongoDB and "toy apps".