I have created a
list of software from what I believe to be tools or services that use "real" atomic swaps. Yes, most of them are not very "usable" but they exist.
I have included also some semi-centralized services where an intermediary only acts in tasks like "order matching", like SparkSwap (which claims to use Lightning) and Swap.Online. If someone knows their code and can affirm that they're _not_ real atomic swap tools, a comment (better in my atomic swap list thread) is highly appreciated.
About Komodo's AtomicDEX I have my doubts (above all being a mobile-first/mobile-only service), but must look deeper into it to really be able to give an opinion. AFAIK, however, BarterDEX (the antecessor of AtomicDEX) was a real decentralized atomic swap tool without intermediary (each participant had to run a software) using TierNolan's swap model.
Edit: Looks like AtomicDEX is legit; it is based on a rewrite of the technology that powered BarterDEX (the Market Maker 2 command line script). This script is to be run on servers or PCs, the mobile app is a light wallet that simply connects to these "liquidity providers" and arranges swaps with them.