Quartz
Quartz is a modular approach to a casting bar addon. An overview of (hopefully most of) the modules:
*Player
The core of Quartz is lightweight implementation of a standard casting bar, with configurable size, text and icon positioning, and colors. 
*Target/Focus
Implementation of target and focus casting bars in similar fashion to the player cast bar. 
*Buffs
Display of target and focus buffs and debuffs as duration bars. 
*Flight
Hooks into FlightMap or InFlight to display the current flight progress on your casting bar. 
*Global Cooldown
Displays a tiny spark-bar to show your Global Cooldown near the cast bar. Helpful for those who'd rather not squint at their action bars to see when they can cast again. 
*Interrupt
Changes the color and text of your casting bar to help show that your cast has been interrupted (and show who interrupted it). 
*Latency
Displays the amount of time spent between cast send and start events, in the form of a bar at the end of your casting bar, with optional text that displays the actual duration of the lag. This helps in canceling casts when they will not actually be interrupted, especially for users with consistently high pings. 
*Mirror
Shows the 'basic' timers such as breath and feign death, as well as some 'odd' ones such as party invite time, resurrect timeout, and arena game start, and a framework for injecting custom timers into the bars. 
*Range
Recolors the casting bar when your cast target moves out of range mid-cast. 
*Swing
Displays a swing timer for your melee weapon as well as hunter autoshot. 
*Timer
Allows for creating custom timers displayed on the mirror bars. 
*Tradeskill Merge
Merges multiple casts of the same tradeskill item into one big cast bar. 
Use /quartz to bring up the configuration menu.


 
        
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Posted Sep 22, 2015I'm very surprised that this addon doesn't allow vertical castbars, unless I've missed something? Only reason I use Gnosis.
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Posted Sep 18, 2015thankyou so much for the 6.22 update
works perfectly
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Posted Sep 12, 2015Please update, I miss this! :(
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Posted Sep 16, 2015YAY!
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Posted Aug 20, 2015Update please
really need it
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Posted Aug 5, 2015i miss this :[
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Posted Jul 29, 2015Please update Q___Q
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Posted Jul 21, 2015gnosis
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Posted Jul 19, 2015is this addon abandoned
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Posted Jul 15, 2015Any chance of an update for Patch 6.2?
Pretty please?
<3
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Posted Jul 15, 2015Hi, an update is it on the way ? please...
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Posted Jul 11, 2015Turn blizz cast bar off in another place (i.e. Shadowed Unit Frames [Hide Blizzard] => Hide Player Castbar)?
This, of course, assumes you use another addon that can hide Blizz stuff.
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Posted Jul 24, 2015but I dont use shadowed unit frames and I really like quartz!!
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Posted Jul 9, 2015Please update for 6.2!!!!
Quartz castbars no longer replaces Blizzard's.... So I get 2 cast bars when using Quartz. Blizzard standard and Quartz!!!!
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Posted Jul 1, 2015i really like using quartz, any chance of an update? you have many requests to do this, it's a great add on, i hate to see it abandoned and i don't use use out of date check box, it seems to cause added problems
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Posted Jun 28, 2015Is there going to be a 6.2 update? Most other add-ons have been updated multiple times by now.
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Posted Jun 24, 2015Would nice if you could change your Version-number to a better format in front wow version, after that your version. example: 6.2.0.x
NPCscan, Archy, LibSharedMedia, Ackis Recipe List and more authors doing it.
Thanks!
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Posted Jun 24, 2015Any update for 6.2 please? :)
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Posted Jun 1, 2015My target cast bar only appears if I happen to cast at the same time. Any thoughts? Do I need to set something differently in the blizz settings or...? Thanks in advance!
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Posted Apr 21, 2015Throws an error since some wow build: http://pastebin.com/pXi4Wq7f