I was an big Aperture user too, and put off the move a long time. I installed and edited the same photos in everything.
You either take the feature-set hit and switch to Apple Photos ( which does a great job with basic tweaks ), or you switch to Lightroom. Everything else is way below par. Your photos just won't anywhere near as good.
Personally, I don't want a "photo management" app, I want an app that is very good at batch processing, works over NFS drives, and doesn't use "projects" and "libraries".
You either take the feature-set hit and switch to Apple Photos ( which does a great job with basic tweaks ), or you switch to Lightroom. Everything else is way below par. Your photos just won't anywhere near as good.