Most of developments discussed on bitcointalk for Adamant and Obyte are seen conceptually in somewhat direct relation: both have betting feature, chat bots, the ability to send funds withing wallet etc.. Adamant is blockchain based messenger while Obyte relies on DAG. Guess it would be interesting to compare the functionalities of both, the table on the first page lacks that.
As for me, I like ADAMANT more. Because interface is beautiful and pretty intuitive, especially ACCOUNT tabe