About Add-ons [External]
Adds an About button to extensions, themes, and languages in the Add-ons list.

Active Tab More Visible
Makes active tab more visible, with a fixed color (#F4F4F4) compatible with most complete themes and lightweight themes.

Active Toolbars More Visible
Makes content of navigation toolbar and tab bar more visible, by providing a background for toolbar icons.

Address Bar & Search Bar More Readable
Makes the URL and Search bars more readable, by increasing font size and/or disabling URL formatting.

AutoPageColor
Change light/dark webpage color scheme based on sunrise/sunset times.

Aviary Add-ons Manager
Aviary Toolkit style Add-ons Manager

Blank Private Browsing Page
A blank page for the private browsing page

Blue Moon Linux
Adds the blue Pale Moon button and other Windows-specific style elements to Pale Moon for Linux.

Browsepaper
Show a wallpaper in an empty tab.

Classic Reload-Stop-Go Button
CRSG-extension for default Firefox theme styles the Reload-Stop-Go-button on urlbar like it was on Firefox 4-8.

Classic Toolbar Buttons (Palemoon)
Classic toolbar button style for Firefox, Thunderbird and Seamonkey toolbars and other tweaks and settings.

Compact Moon Options
This adds the "Compact Moon Options" menu item to the "tools" menu, which allows one to change the appearance of the theme Compact Moon.

Cozy Bookmarks Toolbar
Faviconize your bookmarks to save space in the bookmarks toolbar.

CuteButtons
Adds icons to menus and buttons.

EditDatContent
Make a webpage editable.

EditDatTitle
Modify a page's title

Extended Statusbar
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)

Favidico [External]
Use identicons to automatically generate favicons for sites without one.

Fierr [External]
Replaces the error page with a more stylish appearance with additional features.

GlassMyFox
Glass your Firefox ui (only possible on Windows 7 and Vista with enabled AeroGlass Windows theme settings)

Hamburger Menu-Button
Makes a movable hamburger-style menu-button for displaying the appmenu.

HideScrollbars
Hide scrollbars

History Menu Button
Adds a button with the History drop-down menu to the Navigation toolbar, next to the Bookmarks Menu button. Middle-clicking the button toggles the History Sidebar.

Home Styler
Make your about:home page stylish!

HTerr [External]
Display fallback error pages for HTTP errors if no content is sent.

Inactive Tabs More Visible
Changes the backgrounds of inactive tabs, for many complete and light themes, to black with white text. Use when inactive tabs are hard to read, or to distinguish from the active…

Menu On Top
Moves the main menu bar to the Top and adds Style.

Minama
Make your add-on manager all minimalistic and compact.

NewScrollbars (aka NoiaScrollbars)
Improves scrollbar appearance using various customizations and tweaks.

Noia Moon Options
Options manager for Noia Moon theme.

NoiaButtons
NoiaButtons extension for default Firefox theme.

NoSquint
Manage site-specific zoom levels and color settings

Old Design VK
An extension which brings back old design for VK

Palesomething [External]
Change the product name in various parts of the browser. Random name generation ensures perpetual humor.

Sidebar to the Right
Move Sidebar to Right

SiteStyles
Extension that allows you to inject CSS Styles into web pages.

Splashed!
Adds a splash screen on startup while you wait.

Stylem
Restyle the web with Stylem, a user styles manager.

Swarth
Modifies web pages to use a dark color scheme or based on the user's preferences.

Theme Builder
Create custom solid-color personas/lightweight themes.

Theme Styler Plus
Customize complete and lightweight themes (tab colors, toolbar texts, window backgrounds, and more). Add, change, close, or create new lightweight themes (no restart required).

Theme Tweaker
Instantly changes the font family, font size, font color, font style and background color of main interface for Pale Moon and other Mozilla-like applications.

ThemeTool
Use persona/lightweight themes with most Pale Moon complete themes (restarting browser never required).

Thin Bookmarks
Ability to customize the bookmarks bar.

Thin Tabs
Ability to customize the bookmarks bar.

Title Bar Customizer
Customize the browser titlebar

Titlebar Tool
Hides titlebar caption (MS-Windows only). Makes titlebar thinner and appmenu button movable.

toggleDocumentColors
Adds a toolbar button and keyboard shortcut to switch between the default page colors and colors defined by the user. Firefox and Palemoon shortcut: Control-Shift-C; SeaMonkey…

Toolbox Plus
Provides more customization options for toolbars.

Werewolf
Customization options for the GUI.

Youtube Skip Sign-in
If you don't want to see pop-ups asking to sign-in on Youtube, this tiny app is for you.