4 groups (34 tags):

main file extensions (4): file extensions with most lines of code in a repository
all file extensions (21): file extensions with at least one file in a repository
hidden folders (2): folders with ".*" like names
hidden files (7): files with ".*" like names

Tag	# repositories	LOC (main)	LOC (test)	LOC (active)	LOC (new)	# commits (30 days)	# contributors (30 days)
main file extensions (4) : file extensions with most lines of code in a repository 99 repositories, 422K lines of main code, 680K lines of other code tag dependencies: 3D graph (via repositories) \| 3D graph (excluding repositories) \| 2D graph (via repositories) \| 2D graph (excluding repositories) 2D graph (excluding repositories)
java	85 repositories (85%)	392,716 (93%)	394,330	289,616	33,568	51 (76%)	15 (83%)
xml	8 repositories (8%)	8,996 (2%)	3,050	3,757	634	11 (16%)	6 (33%)
css	3 repositories (3%)	18,630 (4%)	-	437	34	5 (7%)	1 (5%)
groovy	3 repositories (3%)	1,829 (<1%)	213	775	106	-	-
all file extensions (21) : file extensions with at least one file in a repository 99 repositories, 422K lines of main code, 680K lines of other code tag dependencies: 3D graph (via repositories) \| 3D graph (excluding repositories) \| 2D graph (via repositories) \| 2D graph (excluding repositories) 2D graph (excluding repositories)
xml	97 repositories (97%)	421,640 (99%)	397,593	294,138	34,342	67 (100%)	15 (83%)
cgi cgi	90 repositories (90%)	291,773 (69%)	248,093	200,385	15,422	51 (76%)	11 (61%)
java	89 repositories (89%)	399,234 (94%)	397,593	291,394	33,737	52 (77%)	15 (83%)
groovy	53 repositories (53%)	187,141 (44%)	131,964	128,749	11,974	31 (46%)	9 (50%)
css	11 repositories (11%)	65,454 (15%)	26,556	37,905	1,057	34 (50%)	8 (44%)
html	8 repositories (8%)	65,307 (15%)	96,932	55,234	842	5 (7%)	2 (11%)
js	4 repositories (4%)	25,133 (5%)	7,226	5,604	484	6 (8%)	2 (11%)
jsp	4 repositories (4%)	17,517 (4%)	12,004	13,225	10	7 (10%)	2 (11%)
cmd cmd	3 repositories (3%)	75,319 (17%)	40,754	72,859	14,288	11 (16%)	5 (27%)
rdf	2 repositories (2%)	69,477 (16%)	39,051	68,454	14,147	11 (16%)	5 (27%)
xhtml	2 repositories (2%)	8,527 (2%)	3,918	3,873	283	4 (5%)	1 (5%)
h	2 repositories (2%)	14,227 (3%)	6,387	12,394	4,534	4 (5%)	1 (5%)
c	1 repository (1%)	12,603 (2%)	6,387	12,394	4,534	4 (5%)	1 (5%)
g	1 repository (1%)	888 (<1%)	359	698	-	-	-
adoc	1 repository (1%)	12,603 (2%)	6,387	12,394	4,534	4 (5%)	1 (5%)
g4	1 repository (1%)	488 (<1%)	683	27	10	-	-
cs	1 repository (1%)	3,905 (<1%)	4,010	2,842	450	1 (1%)	1 (5%)
xsl xsl	1 repository (1%)	11,871 (2%)	3,611	10,791	10	1 (1%)	1 (5%)
pub pub	1 repository (1%)	15,350 (3%)	5,906	107	-	-	-
yml	1 repository (1%)	5,994 (1%)	3,105	4,859	-	-	-
yaml	1 repository (1%)	1,624 (<1%)	-	-	-	-	-
hidden folders (2) : folders with "." like names 85 repositories, 373K lines of main code, 650*K lines of other code tag dependencies: 3D graph (via repositories) \| 3D graph (excluding repositories) \| 2D graph (via repositories) \| 2D graph (excluding repositories) 2D graph (excluding repositories)
.github	85 repositories (85%)	372,648 (88%)	378,612	290,781	33,760	66 (98%)	15 (83%)
.mvn	3 repositories (3%)	87,213 (20%)	48,263	86,216	18,861	16 (23%)	6 (33%)
hidden files (7) : files with "." like names 97 repositories, 389K lines of main code, 663*K lines of other code tag dependencies: 3D graph (via repositories) \| 3D graph (excluding repositories) \| 2D graph (via repositories) \| 2D graph (excluding repositories) 2D graph (excluding repositories)
.gitignore	97 repositories (97%)	389,111 (92%)	383,864	294,585	34,342	67 (100%)	15 (83%)
.asf.yaml .asf.yaml	94 repositories (94%)	379,512 (89%)	383,864	294,138	34,342	67 (100%)	15 (83%)
.git-blame-ignore-revs	34 repositories (34%)	223,922 (53%)	191,921	209,543	31,614	28 (41%)	10 (55%)
.gitattributes	7 repositories (7%)	152,834 (36%)	212,923	130,036	14,818	14 (20%)	8 (44%)
.maven-apache-parent.marker .maven-apache-parent.marker	1 repository (1%)	179 (<1%)	-	157	-	-	-
.travis.yml	1 repository (1%)	297 (<1%)	-	204	-	-	-
.editorconfig	1 repository (1%)	30,334 (7%)	70,299	30,153	432	-	-

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