miniblog.

LLVM's lit tool for testing files is the most successful testing DSL I've ever seen. It's used a decent number of projects outside of LLVM. By contrast I don't see many folks using e.g. Cucumber these days.

I've heard of 'blub languages', where you don't realise that other languages have better abstractions until you've experienced them. I think the same thing happens with individual features. I've seen several C++ folks miss variadic generics in Rust, but I've not written enough C++ to feel it.

https://twitodon.com/ is a neat tool for finding Mastodon people that you were already following on Twitter. It generates a CSV that Mastodon can consume. Of the 3,154 folks I follow, it found 117 Mastodon accounts. AIUI it requires other users to use the service.