Cameras:

Canon 5D Mark II

Canon 50D

Fuji X100T

Panasonic DMC-GX7

Panasonic DMC-G3

Canon Powershot G9

Canon Powershot S90

EOS-Mount Lenses

Sigma 8mm f/3.5 EX DG Circular Fisheye

Canon EF 24-105 f/4L IS USM

Canon EF 40mm f/2.8 STM

Canon EF-S 60mm f/2.8 Macro USM

Canon EF 85mm f1.8 USM

Canon EF 135mm f/2L USM

Canon EF 75-300mm f/4-5.6 III (non-USM!)

Canon EF 400mm f/5.6L USM

Micro Four-Thirds Lenses

Rokinon 7.5mm f/3.5 UMC fisheye

Olympus M.Zuiko ED 9-18 f/4-5.6

Lumix G Vario 14-42mm f/3.5-5.6 ASPH OIS

Lumix G 20mm f/1.7

Olympus M.Zuiko ED 45mm f/1.8

Lumix G Vario 45-200mm f/4-5.6 Mega OIS

Adapted Manual Lenses

(C/Y) Contax Zeiss Distagon T* 28mm f/2.8 (AEJ)

(R) Leitz Summicron-R 35mm f/2 (v.1, 2-cam)

(C/Y) Contax Zeiss Tessar T* 45mm f/2.8 (MMJ)

(OM) Olympus Zuiko Auto-S 50mm f/1.2

(OM) Olympus Zuiko Auto-S 50mm f/1.8

(R) Leitz Summicron-R 90mm f/2 (v.1, 2-cam)

(C/Y) Contax Zeiss Planar T* 100mm f/2 (AEG)

(R) Leitz Elmarit-R 135mm f/2.8 (E55)

Hartblei MC 80mm f/2.8 Super-Rotator (tilt-shift)

Lens Accessories, Misc.

OM → EOS adapter ring w/AF-confirm chip (Big_Is)

C/Y → EOS adapter rings w/AF-confirm chip (Big_IS/HappyPageHK)

R → EOS adapter rings w/AF-confirm chip (HappyPageHK)

OM → µ4/3 adapter ring (Big_IS)

EOS → µ4/3 adapter ring (Big_IS)

Tamron 1.4x teleconverter (non-pro)

Kenko Extension Tube set

Lensmate for G9

No, I'm not listing filters, that would take for freaking ever. But I do have two special ones:

B+W ND3 (#110): 10-stop neutral density

Hoya R72: Infrared and tail end of visible spectrum (≤720nm)

Flash

Canon Speedlite 580EXII

Canon Speedlite 580EX (mod: added 3.5mm sync port)

Canon Speedlite 430EX

Olympus FL-50

Nikon SB-26

Yongnuo YN-560 (mod: added 3.5mm sync port)

Yongnuo YN-568EX

ST-E2 transmitter

Yongnuo RF-602 (2Tx/3Rx) + shutter and sync cables

Yongnuo YN-622c, YN-622C-TX

Sonia "green" optical triggers (3.5mm & PC).

Yongnuo Canon eTTL cable

(And no, I'm not listing modifiers. It's just too damn embarrassing how many bits and bobs you end up with).

Support/Stabilization

Velbon MAXi 347GB tripod

Manfrotto 055XPROB tripod (w/3025 3D Jr. head)

Bogen-Manfrotto Monopod 3249B (+feet)

Sirui P-224 Carbon Fiber Monopod

Misc.

Eg-S focus screen (5D2)

Katzeye focus screen (50D)

Satechi cable release for 50D

Pano extras

Nodal Ninja 3

Adorama/Hama bubble-level (2-axis)

Bags

Canon backpack

Kata DR-466i

ThinkTank Retrospective 5

Timbuk2 Classic Messenger XS+Snoop insert XS (didn't get Snoop because I wanted left-hand strap. I like the bag at my left hip, not my right).

Software

Adobe Photoshop CS5

Adobe Lightroom

PTGui

Hugin

Flexify plugin for PS.

Pano2VR

The Gimp + Mathmap

L/R Enfuse Lightroom plugin

Lenstagger Lightroom plugin

Magic Lantern