On chatbots: https://zmj.dev/author_assistant.html

RMNP hiking photography: https://hiking.zmj.dev

Go radix tree: https://pkg.go.dev/github.com/zmj/radixtree

C# rsync delta: https://github.com/zmj/rsync-delta

C# SQLite wrapper: https://www.nuget.org/packages/Sqlite.Fast/