What I have developed is a popularity system that takes into account everything from rating, to number of downloads, to number of clones. I have started calculating points for popular fontstructions.

Here is the system:
√# of glyphs
plus √# of downloads
plus [(√# of votes) x 2 x balanced rating]
plus # of favorites
plus # of comments
plus 50 points if it is a top pick
plus 50 more points if it is or has been a featured fontstruction
minus 20 points if it is a clone (of a font not by the same author)

So, here is an example: Structurosa by pauldhunt:
18 points (for 329 glyphs)
+ 83 points (for 6872 downloads)
+ 373 points (for 494 votes & balanced rating of 8.4)
+ 63 points (for 63 favorites)
+ 57 points (for 57 comments)
+ 50 points (for a top pick)
= 644 points in all!!!
I am 99% certain that Structurosa will be in the top ten (if not in first). Possibly no font has more votes.
I am not going to calculate all 22 thousand some-odd fonts, just the top ten fonts in each of the filters (besides sorting by sharing date, last edit and creation date).
Suggestions to the system are welcome. If it’s all right, I’d like to post results of my calculations.

@ architaraz: I appreciate your comment. I thought the same thing when I posted this. Getting rid of points for clones would reduce structurosa’s score significantly (by 340 points), but it will definitely make the system fairer. I have changed that now.

The unofficial results! :)

1. ariapenciroman kix 1131

2. Hommage á Escher Frodo7 964

3. Dioptical Em32 948

4. Bat Country loboarches 916

5. RMWL Uncialic p2pnut 666

6. Structurosa pauldhunt 647

7. Swifted Strokes badgerkins 644

8. Foldstruct emepar7 609

9. Badger Spine hollydennis 597

10. Broadway kix 584

If you interested in helping with this and you see a font that has more than 584 points, please feel free to notify me on this topic.

@winty5: :-)

I've updated the list as of this morning.

1.ariapenciroman kix 1186

2.Hommage á Escher Frodo7 1028

3.Dioptical Em42 988

4.Bat Country loboarches 954

5.Foldstruct emepar7 713

6.Swifted Strokes badgerkins 698

7.Badger Spine hollydennis 681

8.RMWL Uncialic p2pnut 677

9.Structurosa pauldhunt 677

10.Broadway kix 612

I also have created a 'What's New' list, using the same formula, with the addition of one new rule:
What's New page # * (-10) + 10

1.fs iie thalamic 176

2.Diagona architaraz 174

3.fs When We Were Young thalamic 162

4.fs handwritten ETHproductions 151

5.Clownstruct fugitiveglue 149

6.Siberiada Yautja 148

7.Usynbld MONO regular_one 147

8.Candyfloss four 143

9.Ketonggeng BangDje 139

10.zinabrium eYe/FS elmoyenique 139

@winty: Whoa, that would probably take waaaaay too long... And doing it for beate would be awfully hard.

@kix: Yep, your ariapenciroman is definitely one of the most successful fonts on FS. Congratulations!

@winty: I actually think it's a very interesting concept. If time wasn't an issue, I'd do it in a heartbeat.