As of 2022-03-07, the Wikidata property Mozilla extension ID (P9849) is used on 6 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P8579 Firefox Add-ons URL slug 5
 0.0962
P646 Freebase ID 4
 0.0000
P8559 Chrome Webstore extension ID 3
 0.0441
P2537 Free Software Directory entry 3
 0.0019
P2002 Twitter username 3
 0.0000
P9618 AlternativeTo software ID 2
 0.0019
P1972 Open Hub ID 2
 0.0007
P3417 Quora topic ID 2
 0.0000
P4107 Framalibre ID 1
 0.0020
P4162 AUR package 1
 0.0004
P6931 Repology project name 1
 0.0002
P2013 Facebook ID 1
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P8579 Firefox Add-ons URL slug 5
 0.0962
P8559 Chrome Webstore extension ID 3
 0.0441
P4107 Framalibre ID 1
 0.0020
P2537 Free Software Directory entry 3
 0.0019
P9618 AlternativeTo software ID 2
 0.0019
P1972 Open Hub ID 2
 0.0007
P4162 AUR package 1
 0.0004
P6931 Repology project name 1
 0.0002
P3417 Quora topic ID 2
 0.0000
P2002 Twitter username 3
 0.0000
P2013 Facebook ID 1
 0.0000
P646 Freebase ID 4
 0.0000