Monsters and Memories recently announced upcoming play tests for the in development MMO that is heavily inspired by Classic Everquest and led by a former Everquest Dev, Shawn Lord.
There are two tests:
4 hour stress test on June 1st 10am Pacific, Noon Central, 1pm Eastern
Weekend Playtest on June 28th 10am Pacific, Noon Central, 1pm Eastern through June 30th 11:59PM Eastern
How to Register/Download the Client
Register and account and login at https://account.monstersandmemories.com/ (if you already have an account from previous tests you can just log in)
Download the Patcher
Make sure you are patched on the day of the test.