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 - Feature [comparison of Nostr clients as of mid-2022](https://github.com/vishalxl/Nostr-Clients-Features-List)
 
 ## Libraries
+- [nostr-ruby](https://github.com/dtonon/nostr-ruby) -  a Ruby implementation of the nostr protocol
 - [NNostr.Client](https://github.com/Kukks/NNostr) - a C# Nostr library for use by clients
 - [nostr-tools](https://github.com/fiatjaf/nostr-tools) - a JavaScript client that abstracts the relay management code for use by clients
 - [go-nostr](https://github.com/fiatjaf/go-nostr) - a Go library that implements relay management, plus event encoding and signing utils