Re: latest xoops modules
Most of the modules that are kept up to date are in the GitHub repository at https://github.com/XoopsModules25
Some of these have been 'forked' and may require a little searching to get the most up to date version until the forks are 'pulled' back into the master.
There are some other modules that individual developers have in their personal GitHub repositories too.
As @alain01 said - if you can tell us what you want to do we might be able to guide you towards the best module(s) to get you started.