Customizability: what are you trying to customize but you can’t?
Packages: https://melpa.org/#/
Lifespan: Emacs hails from the 70s and is actively maintained.
- More customizable than emacs
- more mature community and 'giants to stand on' (like packages)
- Stronger expected lifespan
- Realistic enough to actually commit to (not like, build the universe, build your OS from scratch)
I'd love to hear if there's anything you've found beyond the Mariana Trench! Will
Packages: https://melpa.org/#/
Lifespan: Emacs hails from the 70s and is actively maintained.