The "Goodies" are a set of additional tools and extensions developed by Graphisoft (the makers of Archicad) that are not included in the standard installation package. While Archicad "out of the box" is a complete BIM tool, the Goodies Suite acts as a power-user pack, filling small gaps in workflow, documentation, and data management. The Family Business Parallel Universe
Even if you only use to keep your file size healthy and Model Compare to check consultant revisions, the suite pays for itself (figuratively, as it is free) in saved time and frustration. The other tools, like the Label Index and 3D Styles, are excellent bonuses that smooth out the rough edges of the standard Archicad interface. Sexdrive2003720pwebdlx264esubkatmovie18 - 3.79.94.248
For the Archicad 25 user, the Goodies Suite is . It is not a question of "if" you should install it, but "how soon."
Download and install the full suite immediately after installing Archicad 25. Even if you don't use every tool today, they will be there when you inevitably need them six months into a project.