Github releases page lists all the stable releases of anvi'o.
The anvi'o project page gives access to installation manuals, user tutorials, and other sweets.
The anvi'o help pages describe individual anvi'o programs as well as artifacts they consume or produce.
Click this link to join the anvi'o Discord channel.
Please see the ARCHITECTURE.md to get a sense of the anvi'o design, coding patterns and idioms, and so on.