Overachiever Classic is the Classic version of the well-known Overachiever AddOn, which allows you to search for and keep track of the achievements you want to complete.

Highlights

Search: Search for achievements by name, description, reward, and more. (Quickly search by name using slash commands like "/ach food".)
Suggestions: Get suggested achievements based on your current location, active holiday events, etc.
Watch: Create custom watch lists of achievements.
Related: See how achievements relate to each other.

Tooltip and audio reminders for objectives you find in the world (and in your bags).
Automatically track exploration achievements and suggested achievements you chose as you travel.
Automatically track timed achievements when the timer starts.

Achievement Tooltip

Add information from progress bars and normally-hidden progress information. (For example, "Progress: 5/10" or "Assault 2 bases (0/2).")
Compare progress using chat links: Display your progress below that of the player who linked the achievement.
Optionally add the achievement's ID to its tooltip. (Convenient for addon authors.)
Ctrl+click on an achievement link to open the GUI to that achievement. Ctrl+click again to track it.

License

Although it is a fork of the original project with significant changes to the APIs, the project remains under the copyright of the original author. There is no intention of ownership or profit; the purpose of the add-on is digital preservation.