Endware

From the developer of Endchan...

https://github.com/endwall2/endware/blob/610b96aada17ba096dc096a3d80c47fda6288ce9/passgen.sh

100+ lines of comments for a simple script is bad and so is the use of base64 for passwords because it has too little special chars but at least it uses a solid RNG and doesn't bury the logic under needless layers of abstraction. so as far as password generators go, I've seen worse.