Mark Jaquith

This plugin increases the height of the category checklist meta box on the post editing screen so that all categories are shown. No more scrolling! All of your categories will be visible. If you’ve been frustrated by having to scroll to find the correct category, this plugin is for you. No options. Just install it and you’re good.

Category Checklist Expander

Increases the height of the category checklist meta box on the post editing screen so that all categories are shown.

James Kemp

Admin Bar toggle adds a toggle switch to show/hide the admin bar on the front-end. This is much less intrusive, but still allows you to use all the useful features of the admin bar.
<ul>
<li>Hides the admin bar on the front-end by default. This is much less intrusive.</li>
<li>Adds a small toggle button in the top right to activate the admin bar.</li>
<li>Toggle remains in place to hide it again.</li>
</ul>
This plugin assumes that the admin bar is active, and hasn’t been disabled in your user profile

Admin Bar Toggle

If your theme has a top menu bar, this plugin is very useful to stop the wordpress Admin bar interfering with your review of the design but keep it handy to use when needed

very useful and still works

Thanks for the plugin! Keep up the good work!

Thumbs up

Hides the admin bar on the front-end by default, and adds a toggle to activate it.

Category Checklist Expander vs Admin Bar Toggle