Manyverse might be good for that. It's P2P social networking that syncs whenever you've got internet.
The entire suite of simple mobile apps is also really good, the Notes app in particular seems useful.
Organic Maps or OsmAnd will let you download maps offline and navigate with just GPS.
Aard 2 will let you browse an entire dump of Wikipedia and Wiktionary.
You should check out [email protected]. Lot fewer tankies being useful idiots there. The magic of the fediverse 🪄
To my knowledge, Ada doesn't have an equivalent to Rust's borrow checker. I also think I covered that base by specifying "mainstream" 😀
One big reason Nim never really caught on is because we've got lots of fast-ish languages with garbage collection (like Go, which sucks a lot of oxygen away from Nim IMO). Rust introduced a new concept to the mainstream that lets you program safely without a runtime hit for garbage collection.
You might like Total Annihilation and its modern descendants, like BAR or Zero K. There's still some micro depending on the variant, but the focus is much more heavily on macro, along with making the units smarter.
Apart from that, the Civ games are turn-based, but scratch a similar itch as RTS games
And yet countries, given free choice, came running to NATO. Curious 🤔
Shattered Pixel Dungeon is a great time killer. There's a Lemmy community over at [email protected]