Basically what it says on the tin. Only suggesting this as a result of me being unable to find what mod I'm missing from my server, and I'm running an obscene amount of mods (granted, its mainly for me and a few friends).
This could however benefit others, regardless of how many mods they have installed or want to install to a server. Just put in one URL after making your collection, and all of the mods are there, waiting to be configured.
Hi, you can do this in steam. Its fairly easy to create a collection