Figured someone else might enjoy trying out some (possibly) new builds, so here's the different builds I use on some of my characters. I know some of the builds most likely are pretty commonly used by the community, but I'll post them anyway just in case.
I will also say that some of them are probably not the most efficient builds out there, but I do find them very enjoyable to play.
Ranger
The Prepared Turret
[build=OgATcZ8kZS1wx4UK3C2o44uMXEA]
This is what I use 95% of the time, I really enjoy the spammability of penetrating attack, sundering attack and then prepared shot for energy management. I would recommend a sundering or vamp Longbow with this build. Tried Hornbow for max sundering but don't like Hornbows, so nope
RaO Spear
[build=OgkjYxXYpSAZKYle4G5aAh5i0GA]
My go to build if I want to run around with a pet. Consider bringing epidemic or similar skills on one of your heros.
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Necromancer
IV Blood Spam
[build=OABCQsxUNzQThwN4gAYjN5jA]
I've always been a fan of Blood Magic so I find this version more enjoyable than the (probably) more common Death Magic version. Again, you should consider bringing epidemic on one of your heros.
The wild card - MR Blood Necro
[build=OAJTQYTiTa4YopQ4GcQAs5RIBEA]
This is what I run in condition heavy areas.
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Mesmer
Esurge Mesmer
[build=OQBDAqwDS2iNBnACOmO2g5UtlA]
No explanation needed I guess, common esurge build. I like to start engagements with Tryptophan Signet followed by Chaos Storm
FD Mesmer
[build=OQBDAawDS2iTA3AcQGgkA2g5UA]
Run this with a condition team and watch everything melt.
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Elementalist
Ward Supporter
[build=OgBCsMzUu47w0w6whj1A0wnH]
What I run most of the time on my Elementalist. You can swap out Icy Prism and bring Ebon Battle Standard of Wisdom instead if you want to go full-time warder, but I find the proc to be too irregular and prefere the extra area wide damage over it.
Mirror of Ice
[build=OgBCsMzUuoS00w6whj1A0wnH]
I've been messing around with this build since I love the elite skill and it's been treating me fairly well so far. However, I did find it more enjoyable when playing with another (melee based) player.
It still works with melee heros, but yeah, much more enjoyable when coordinating with another player.
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Dervish
Praise Jeebus Derv
[build=OgGikysMtdJd9cFg1cJGK6N6BA]
Nothing out of the ordinary here. Spam praise jeebus and win.
Grandfather Nurgle approves
[build=OgGjkuqI7SBY7gXgihlbjXdfwXA]
Just a fun and tanky build with some nice condi spread. Bring epidemic
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Warrior
Raging Endurance Bunny
[build=OQASEZJTRFCFIO7VaFie2F0k]
Pretty straightforward build, spam Frenzy and scream Leeroy Jenkins as loud as you can. Can swap out Frenzy for Flail or bring stance canceller instead of "I Am Unstoppable" if you actually want to survive, but where's the fun in that?
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Assassin
WotA Dagger Spam
[build=OwFi0xjM5wwwcwQ8J6VDq/EnBA]
Again, nothing out of the ordinary. It's quite the enjoyable dagger spam, kudos to the person who came up with it
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Ritualist
Rit Healer
[build=OACiEykMFMxJW9INN5MAaNdxAA]
My only healer build since I don't play monk
Spirit Spammer
[build=OACiIykMVNdN5DWOpM1WOAyMBA]
Standard build, press all buttons once and then go grab a snack.
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Paragon
Soldier's Fury
[build=OQGjUllMaSKY+ihileie8EtbAhA]
Great damage & support at once, what's not to like?