Kvalyr addons currently released:
KayrMacro - Advanced Macros with Extended Storage
Out of Date:
KayrChat - RP/Chat Addon
Kvalyr Libraries:
KLib (Unreleased) - Addon Framework, Development Environment & Utility Functions
Kvalyr addons in the works:
KayrNights - Full-screen overlay for Night-Time Darkness in WoW and with tint/hue/brightness adjustment
KayrInventory - Custom Inventory Display addon with filters/categories and skinning system