Reindeer the node based render manager for 3dsMax is FREE to use during 2022 and probably longer.
Reindeer has been used for many years on lots of projects. It's a flexible tool not just for rendering. Use it for automating rendering or simulations or storing scene specific scripts in the scene file. Check out videos at the following link:
-Nothing needs to be installed on a renderfarm for Reindeer to work.
-Nothing needs to be installed to open a scene containing a Reindeer setup.
-No license needs to be installed, it expires automatically at the end of the year. Just pick up the latest version to keep using Reindeer.