WowAce

Tracks rare drops, including companions and mounts

Collectinator is an addon which will scan your pets and mounts and provide information on how to obtain them.

Find five Ephemeral Crystals, get a pink hippogryph

Add-on that shows which mounts can be farmed this week

Auto and random summon highly customizable for your pets and mounts, with Data Broker support.

Shows the health of the player's current bodyguard.

Add-on that shows which battle pets can be farmed this week

mount and companion manager

The One-Key-Mount™ — Simple to use, configured with Rock

Shows the source of an item as a tooltip

Don't underestimate your little critters!

A Mount and Companion manager

Adds team information to PetBattleTeams Addon

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

Pet Battle Lite Frame

Generate a macro with random mounts

Dynamic mount macro generator

Interface-central mount management

Pet Theory

One-click smart mounting.