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 ## Related Specifications
 - [GemPub Specification](https://codeberg.org/oppenlab/gempub) - Gempub, the Gemini e-book (and capsule archive) container specification.
 - [Gemini TinyLog Specification](https://codeberg.org/bacardi55/gemini-tinylog-rfc) - A Tinylog is a simple file with all "microblog" style entries to share small contents and interact with other geminauts' tinylog.
+- [Adding Emoji Favicons to Gemini](gemini://mozz.us/files/rfc_gemini_favicon.gmi) - Optional extension by Michael Lazar to the Gemini Protocol, with the goal to set a Unicode emoji as favicon for a site.
 
 ## Resources
 - [Gemini Specification](https://gemini.circumlunar.space/docs/specification.html) - the Gemini protocol specification.
@@ -229,6 +230,7 @@ Repo mirrors:
 - [MastoGem](https://git.rdelaage.ovh/rdelaage/mastoGem) (Go) - Mastodon proxy for Gemini.
 - [Hugo-2-Gopher-and-Gemini](https://github.com/mkamarin/Hugo-2-Gopher-and-Gemini) (Python) - A Hugo theme to convert a Hugo site to Gemini or Gopher.
 - [Gopher-and-Gemini-Walker](https://github.com/mkamarin/Gopher-and-Gemini-Walker) (Python) - Terminal client (without network connectivity) to navigate a folder structure containing a Gemini capsule or Gopher hole.
+- [Gemini Diagnostics](https://github.com/michael-lazar/gemini-diagnostics) - A torture test for gemini servers
 
 ### Gemtext converters
 - [gemgen](https://sr.ht/~kota/gemgen/) (Go) - A Markdown to Gemtext generator.