I was shopping for a pocket organizer some time ago. I found many pictures on edcforums:

http://tiforums.com/threads/edc-pocket-organizer-pics.36134/

It seems that most such organizers are variations on a theme, and companies like CountyComm or Maxpedition all make their own versions. They're around 4x6 or so, made of heavy synthetic fabric, can open fully like a book/clamshell, closes with a zipper, and have tons of pockets (usually for tubular objects like pens or screwdrivers). Some of them have MOLLE.

I don't like them. Here's why:

• Too thick. My pockets are not particularly big, and the sturdy construction means more bulk. If I want something that big, I will probably just step up to a purse. (Yes, I'm a man, and I'm OK with that term. Shakespeare uses it, so there's no shame.)
• The pockets in the organizer often do not have enough variety. Many of the pockets are for tubular objects, and I don't carry five different pens. You end up squeezing a bunch of stuff into the one big pocket, which is typically very flat because it's designed for a notebook. That makes getting things out harder.
• While many people like the zipper and clamshell opening, I do not. It makes it harder to discreetly take out just one item. You have to take out the pocket organizer, open it, and then take what you need. Hello, world, check out my goodies!
• The tactical look may draw unwanted attention.

Right now I'm using an Eagle Creek Travel Sac. If I want to get something, I unzip it without even removing it from my pocket, reach down and feel for the thing I need, and take it out. It would be best if I can put in compartments/inner pockets.

If someone knows of a thin pocket organizer that is basically like a Travel Sac with compartments, please let me know. (Eagle Creek does make something with compartments, but it's too big.)