Update README.md

servers separated for other fediverse apps. eventually, if these grow, it may be worth creating related md pages to link to.

README.md

@@ -262,16 +262,25 @@ If you are in academia and do not know where to register your account in the fed
 - [StreetPass](https://streetpass.social/) - A browser extension that alerts you to Mastodon verification links on a Web site.
 
 ## Wider Fediverse Information
-### Lemmy
-Lemmy is a link aggregator Fediverse application, similar to Reddit.
+### General
+- [fediverse.party](https://fediverse.party/en/miscellaneous/) - A listing of software on the Fediverse with descriptions.
+
+### Lemmy/Kbin
+[Lemmy](https://join-lemmy.org/) and [Kbin](https://kbin.social/) are link aggregators on the Fediverse, similar to Reddit. They are generally compatible with each other.
+
+- [sub.rehab](https://sub.rehab/) - A listing of where Reddit servers have migrated to, mostly Lemmy/Kbin.
+
+#### Servers
+- [Clinicians Exchange](https://lem.clinicians-exchange.org/) - A Lemmy server for mental health professionals and the general public to exchange ideas related to mental health. See [here](https://www.clinicians-exchange.org/) for more info.
+- [mander.xyz](https://mander.xyz/) - A Lemmy server dedicated to the sciences.
 
-- [Clinicians Exchange](https://lem.clinicians-exchange.org/) - A Lemmy server for mental health professionals and the general public to exchange ideas related to mental health. (See [here](https://www.clinicians-exchange.org/) for more info.)
-- [mander.xyz](https://mander.xyz/) - A Lemmy server dedicated to the sciences. 
-  
 ### Matrix
-Matrix is a secure messaging application similar to Discord, Slack, Telegram, and WhatsApp.
+[Matrix](https://matrix.org/) is a secure messaging application similar to Discord, Slack, Telegram, and WhatsApp.
 
 - [Matrix](https://doc.matrix.tu-dresden.de/en/) guide from the University of Dresden.
+
+#### Servers
+- Archaeology: ```matrix.archaeo.social```
   
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