What you can do with BRP (and we have done) is simply the skills. We are playing a fallen worlds type game (so mixture of Low Tech with some Hi Tech and now some majic / Psionic). We pooled for example
Melee - all one skill for any melee weapon
Low Tech Ranged - so any low tech ranged weapon
Hi tech Ranged - so any ranged weapon
etc
This reduced the skills down to 20 ish (And new ones can be added as needed / skills split if needed)