beaver
Beaver is an Early AdVanced EditoR
Beaver starts up fast and doesn't use a lot of memory. Beaver's only dependency is GTK+2, so no need to install other libraries eating your disk space. These things make Beaver very suitable for old computers and use in small Linux distributions.
There is no official package available for openSUSE Leap 15.6Distributioner
SUSE SLE-15-SP1
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.