The top 25 Firefox add-on publishers with 1 extension

By publisher extension count

By publisher user countBy publisher extension countBy publisher ratings

1 extension

1 extension 2 extensions 3 extensions 4 extensions 5-9 extensions 10-100 extensions 101-1K extensions 1K+ extensions

#	Logo	Name	# of add-on	Cumulative users	Users / add-on	Rating	Rating count	Email
1		Adblock Plus	1	4,126,579	4,126,579	4.45	10,236
2		Mozilla Online	1	3,414,854	3,414,854	3.92	692
3		AdAvoid	1	2,336,070	2,336,070	4.78	22,767	Click to see
4		DuckDuckGo	1	1,606,588	1,606,588	4.35	2,022
5		EFF Technologists	1	1,193,881	1,193,881	4.80	2,341	Click to see
6		AdBlock	1	1,164,050	1,164,050	4.29	3,129
7		Cisco WebEx	1	1,094,345	1,094,345	2.88	312	Click to see
8		Grammarly	1	801,626	801,626	4.10	2,910
9		Internet Download Manager, Tonec Inc.	1	711,964	711,964	4.54	2,685
10		Bitwarden Inc.	1	694,350	694,350	4.78	7,549	Click to see
11		Jan Biniok	1	677,420	677,420	4.71	4,590
12		Dishita	1	594,051	594,051	4.21	13,850	Click to see
13		Dmitry Selivanov	1	573,262	573,262	4.75	3,851	Click to see
14		LastPass	1	573,046	573,046	3.67	8,310	Click to see
15		Capital One Shopping	1	537,104	537,104	4.47	554	Click to see
16		Malwarebytes	1	522,056	522,056	4.32	650	Click to see
17		Browsec Inc	1	471,061	471,061	4.01	2,567	Click to see
18		savefrom	1	463,922	463,922	4.19	2,988	Click to see
19		Jorg K	1	448,347	448,347	4.38	214	Click to see
20		NightDev	1	436,095	436,095	4.69	819
21		Яндекс	1	386,607	386,607	3.38	60	Click to see
22		Webroot.com	1	349,374	349,374	4.43	35	Click to see
23		Gen Digital Inc.	1	330,796	330,796	3.18	1,670	Click to see
24		LanguageTooler GmbH	1	317,463	317,463	4.74	3,714
25		1Password	1	310,988	310,988	3.83	1,321	Click to see