Anything you need to manage your skills and gear. I've adopted this great AddOn from AlphaLemming and changed the name to "AlphaGear 2" for the version that I maintain.

AlphaGear 2 lets you create up to 20 profiles each with 16 builds that may be activated with a single button press. Each build consists of

• 7 pieces of armor
• 3 pieces of jewelry
• 2 weapon bars including poison
• 2 skill bars
• 1 outfit or
• 1 style (outfit, costume, pet etc. using AlphaStyle integration) (optional)
• 1 FCO Item Saver gear icon (optional)
• 1 Champion Point Set using Champion Points Slots add-on (optional)

• Champion Points Slots - Manage your Champion Point Settings
• AlphaStyle - Manage your Style
• FCO Itemsaver - Manage your Inventory

• If you use poison, you'd have to reassign the right type of poison from your bag.