Most Compact Fold (other than Brompton)
 

What are the options? Does any thing else fold down as neatly and compactly as a Brompton? Does any other folder even get close?

Bike Friday Pakit is a bit thinner but longer. There's the Dahon Curl, pretty small.

Chedech. Carbon folder based on Brompton's design.
I have a side by side photo in my video:

Do you have a particular size limit that you are trying to achieve?

Downtube Mini, or Dahon Curve are also decently small when folded.

No specific size. I'm interested to know if there's anything for multimodal commuting involving (sometimes very) crowded trains that comes close to a Brompton. The more compact and lighter, the better.

https://cimg5.ibsrv.net/gimg/bikefor...74a6698a35.jpg
Origami Wasp,...sweet 16" folder. Be forewarned, unless the chainring and crankarms are upgraded it's super SLOWWWWWW.

want second best.. ?
 

Fold in half bikes are wider, folded, which is the style that most others use..

Brompton's folding of rear wheel Under , reduces width ,

it folds the narrower front wheel , to the right side..

covering the grimy drive train.. an keeping fold narrow..

in SE Asia you have numerous aftermarket companies
making Titanium and aluminum substitute components ,

for what Brompton you buy to shave more weight,

off their bikes with their own , weight reducing
versions , with Titanium Forks and rear portions..





....

You can get a Bike Friday pakit configured weight-wise between 22 and 15 lbs, depending on what you want to spend. You can also get a belt drive which is ideal for crowded trains because of cleanliness. While the fold is longer than a brompton, it is actually a bit narrower and I find on my local Bart train it fits easily into gaps along the wall at right angle. Time to fold is same as brompton or maybe even a few seconds less once you really get the hang of it. My pakit with 8 speed chain drive weighs in at just 19lbs and is super easy for my old lady self to carry around (or roll on front wheel).

https://cimg8.ibsrv.net/gimg/bikefor...967081db0f.png
Dahon Eezz in my experience is the most compact. Great Value right now too.

What are the gear inches on this bike? I can't seem to find this anywhere,...

More like 5'9"ish,...not good for me either.

https://www.dahon.jp/2015/product/EEZZ_D3/

I calculate 40 48 - 58 based on the specs at the above link. Looks like a really compact fold, but unfortunately too small for me too.

I am 5'10", 210 lbs with pretty long legs. The Eezz has worked well for me. It has both an adjustable handlebar post and a double telescoping seat post. As such, you could likely even put a longer top seat post in if you wanted.
If you wanted more length between seat and handlebar you could extend the handlebar post forward with an accessory. Halo Aber is one of them

I don't have exact numbers. Should caluculate, but looks like you have. My experience is that it has a nice range of gears. Nice for climbing and reasonably fast.
Great Final Mile Bike no question. We have done a weekend trip with one of these and another bike and the EEZZ worked great riding at Laguna Beach. Some fun hills.

I am late to the party.

The Carryme is much smaller than a Brompton, and is actually ridable (if the roads are good). Beware potholes, curbs, and looking like a bear on a clown bike.

I used to have one, and it was a nice last mile bike.

However, a bromBromis likely more practical

PakIt is a light bike , because the fold is the rear triangle, to the side, seat and bar masts come off quickly,

which is lighter than making a reliable hinge....

Down-tube Mini is a good option. You can check it out.

yes! not a bad option.

R&E 6 pack ... Custom made ... the silver bands are S & S Connectors..

http://www.rodbikes.com/catalog/6-pa...ack-black1.jpg

I'm 5'8" and 160#-ish, so I can wrangle smaller rides than my taller brethren on this thread, so:
Ori and, according to their website, they have a dealer in Japan.
Dahon Dove (14" wheels, although there are some 16" versions out there) or its kissing cousin, Crius.