Delta Chat is not as popular as other messengers but with decentralized messaging it's not doing so bad, is it? Or which decentral messengers do you know that
- have an as strong Usability driven development model,
- are available on many platforms and stores,
- spearheads unique concepts like https://webxdc.org (web apps shared in a chat) or https://countermitm.readthedocs.io/en/latest/new.html (Verified securely encrypted chats safe against active attacks),
- is constantly reaching out for cross-project collab
?