When comparing Miranda vs Gajim, the Slant community recommends Gajim for most people. In the question“What are the best XMPP clients for Windows?” Gajim is ranked 3rd while Miranda is ranked 5th.
Ranked in these QuestionsQuestion Ranking
Pro Requires no installation and is very lightweight
Very light on system resources and extremely fast, Miranda IM requires no installation and can be made to fit on a single floppy disk or USB drive
Pro Insanely customisable
You can see all the plugins available for Miranda here.
Pro OMEMO encryption available as a plug-in
Con Chat logs are in SQLite DB.
Plaintext (or XML/markup) logs are not available.
Con Chat logging enabled by default
Problematic for encrypted chats.
Con OMEMO not natively supported