When comparing Tox vs Gajim, the Slant community recommends Tox for most people. In the question“What are the best cross-platform encrypted messaging apps?” Tox is ranked 7th while Gajim is ranked 13th. The most important reason people chose Tox is:
Tox uses military grade encryption and works completely peer-to-peer.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Privacy focused
Tox uses military grade encryption and works completely peer-to-peer.
Pro Free and open source
The code is licensed under GPL (may change in the future) and is available on GitHub.
Pro Multiple front-ends for multiple platforms available
At the moment there is no official Tox client, but a selection of 32 and 64 clients for Windows, OS X, Linux and Android is available.
Pro OMEMO encryption available as a plug-in
Pro Probably the only Windows client that supports server message history
Cons
Con Early stages of development
Since Tox is relatively new, it has important features missing (like group video) and requires a proper code review before it can be deemed reliable and ready for everyday use.
Con Chat logs are in SQLite DB
Plaintext (or XML/markup) logs are not available.
Con User interface looks dated
Con OMEMO not natively supported
Requires plug-in.
Con Chat logging enabled by default
Problematic for encrypted chats.