February 2026
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Global Rank
#3,236,457
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Bounce Rate
42.1%
Pages per Visit
2.05
Avg Visit Duration
00:00:16
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Top 10 kolab.org Competitors
The Top 10 Sites Like kolab.org in February 2026 are ranked by their affinity to kolab.org in terms of keyword traffic, audience targeting, and market overlap
discover sogo, free and open source webmail: calendars, address books and mails for businesses and communities
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Global Rank
#537,580
13,829Bounce Rate
39.34%
Pages per Visit
2.02
Avg Visit Duration
00:00:19
Similarity Score
100%Microsoft abuses its dominant position and thus harms the European IT ecosystem by linking its online services.
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Global Rank
#1,902,209
192,221Bounce Rate
38.66%
Pages per Visit
1.91
Avg Visit Duration
00:00:21
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100%- Company
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Bounce Rate
49.55%
Pages per Visit
1.01
Avg Visit Duration
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100%- Company
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Global Rank
#2,674,753
631,930Bounce Rate
41.91%
Pages per Visit
1.86
Avg Visit Duration
00:00:18
Similarity Score
97%Zimbra: A Cloud-Hosted Collaboration Software and Email Platform That Integrates With Proprietary Business Solutions
Global Rank
#101,037
2,836Bounce Rate
58.99%
Pages per Visit
1.81
Avg Visit Duration
00:00:37
Similarity Score
92%- Company
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Global Rank
#1,309,803
50,584Bounce Rate
37.68%
Pages per Visit
1.95
Avg Visit Duration
00:00:25
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90%- Company
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84%freecode maintains the web's largest index of linux, unix and cross-platform software, as well as mobile applications.
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Bounce Rate
100%
Pages per Visit
1.00
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82%since 1983, developing the free unix style operating system gnu, so that computer users can have the freedom to share and improve the software they use.
Global Rank
#45,791
1,458Bounce Rate
57.46%
Pages per Visit
2.33
Avg Visit Duration
00:01:14
Similarity Score
82%kolab.org's top 5 competitors in February 2026 are: sogo.nu, egroupware.org, kolabsys.com, opengroupware.org, and more.
According to Similarweb data of monthly visits, kolab.org’s top competitor in February 2026 is sogo.nu. kolab.org 2nd most similar site is egroupware.org, and closing off the top 3 is kolabsys.com.
opengroupware.org ranks as the 4th most similar website to kolab.org and citadel.org ranks fifth in February 2026.
The other five competitors in the top 10 list are zimbra.com, horde.org, scalix.com, freshmeat.net, and gnu.org.