Grewal Satinder has released the first full working BarterDex gui, it's for advanced users and requires some learning curve though. This is the first really working Atomic Swaps Dex, not the usual buzzwords or press releases:

https://github.com/SuperNETorg/BarterDEX-Simple/releases

More info here:

https://medium.com/@komodoplatform/mega-post-updates-information-and-explanations-about-the-komodo-barterdex-a27dea784918

Other more noob friendly gui are in development, one could be released this week