EPIC
Main Download
PB6 Texture Fix
Fleshstorm
Get it here. (BZScrap Mirror)
Currently no PB6 Texture Fix.
Fleshstorm 2: The Harvest
Main Download
PB6 Texture Fix
Forgotten Enemies by the BZ2CP for 1.3.6.5 (playable in Public Beta 1.3.6.4z patch)
FE13 Download Link Updated 11/26/2013
Arrival fix
BZScrap Mirror
G66 by Natty Bumppo for 1.3.6.4+
G66 for PB6.4 Installer <== updated 06/08/2012

G66 3.1 Compatibility Files for Patch 1.3.6.4b+ and 1.3.6.4y+ Rename your G66 3.1 folder and then unzip this into the root of your 1.3.6.4y+ install:
EDIT: Zip/Link updated November 5, 2013
Let me know if you run into any problems with this.
QF Mod
Main Download and 1.1 Patch
PB6 Texture Fix
QF2 Mod - Released February 2014, requires BZ2 Patch 1.3.6.4
QF2 Mod
Skywars Mod
Skywars - BZScrap Mirror (2/28/2012)
an always-on mod; unzip to root of install, overwrite. resulting structure: addon\missions\Skywars
Steeveeo's Recycler Variant
Main Download
No PB6 Texture Fix
Uler by Coxxon for 1.3.6.3.4y: updated 11/12/13
Uler for 1.3.6.4y+ InstallerUler for 1.3.6.4y+ Installer - BZScrap Mirror
VSR by Zero Angel
VSR
X-Mod
Main Download
Fix
XMod - BZScrap Mirror
ZEMod
Main Site
Direct Link
BZScrap Link
ZTV by Timevirus and Zeeder
ZTV for 1.3.6.4 Updated 01/27/2014
ZTV for 1.3.6.4 - BZScrap Mirror