Scorchio! 2
Note: as of Jan 2021, Scorchio has been flagged as abandoned due to the original author not carrying over her account to the new Overwolf system. Overwolf refuses to undo this. It isn't possible to release new versions while it's flagged as abandoned - they never get packaged. The original author flagged the project as "All Rights Reserved", so I'm not sure whether Overwolf would allow me to create a new forked version, even if I wanted to. Ultimately, the best path for everyone is probably to move on from Scorchio and build what you need around something like WeakAuras or TellMeWhen. -ywfn666
Scorchio2 is an addon for Mages that tracks Living Bomb, Nether Tempest, Ignite, Slow, Flamestrike (Flame Patch and snare), and Polymorph on multiple mobs, and can give you warnings and notifications when the debuffs need reapplying, or have expired completely. Scorchio can also provide bars for personal buffs/procs/summons: Clearcasting, Heating Up, Hot Streak!, Brain Freeze, Fingers of Frost, Combustion, Icy Veins, Arcane Power, Rune of Power, and Mirror Image. Up to three anchors are available for use (targeted, non-targeted, and buffs), and the sort order for bars within each anchor is customizable.
Use /scorchio2, or Blizzard's Addons configuration window to configure Scorchio2.
Localization Help Needed!
Lots of work has gone into translation, but there's still some left to do. Localizations are easy to submit on the WowAce Localization Page, and help many users. Please help with this if you're able. And thanks to everyone who's helped so far!
There is, however, a bug which is fixed and will be committed later today, and it's to do with the way Blizzard register non-counting refreshes of buffs. What has been happening is that subsequent refreshes of other mages' Hot Streak was being registered as a refresh for you too. Blizzard don't give the correct source flags for buff AURA_REFRESH (only AURA_APPLIED_DOSE), but I am now checking the /destination/ flags for self-buffs and this should solve your problem.
I now intend to set about tracking other things that would be useful to mages - Clearcasting, Burnout, etc... Let me know else you'd like to see tracked.
Thanks