It’s all about individual needs and/or preferences.
I installed the Web Developer add-on in Firefox on one of my computers I use at work. I think this one may add some value to my web environment. Following recommendation from Mozilla site, I also installed Yoono but uninstalled it shortly afterwards. It tried to do too much for me.
The MORRIS bookmarklets can now have Libcat equivalents, e.g.
Keyword(s) Anywhere on Libcat
The bookmarklet does not work here because the wordpress site renders it distorted.
