⚡ Webmail in the Czech Republic

Webmail software lets users access and manage email directly through a web browser.

The Czech Republic is a Central European country with a population of around 10.5 million people.

According to our statistics, webmail software is used on 0.04% of websites from the Czech Republic.

⭐ Most Popular in 2026

The following chart shows the top webmail software in the Czech Republic in 2026, based on market share.

The most popular is Roundcube, which dominates the market with an overwhelming 66.7% share.
It is followed by Mailcow with 20% and SquirrelMail with 6.7%.

Roundcube 66.7%
Mailcow 20%
SquirrelMail 6.7%
Horde 6.7%

🚀 Highlights

Here is a list of the top software that is more popular in the Czech Republic than worldwide.
Differences between global and country rankings are shown in parentheses.

2. Mailcow ^(-1)
3. SquirrelMail ^(-4)
4. Horde ^(-1)

✨ Best Webmail Software

Below is a more detailed list of 4 webmail software solutions used on sites from the Czech Republic, ranked by their market share.

Rank	Name	Market share
1	Roundcube A browser-based multilingual IMAP client. FreeOpen source$$$	66.7%
2	Mailcow Willich, Germany An open-source groupware/email suite based on Docker. FreeOpen source	20%
3	SquirrelMail A webmail client written in PHP that includes support for IMAP, SMTP, and a flexible plugin system. FreeOpen source	6.7%
4	Horde Atlanta, Georgia, United States An open-source web-based groupware. FreeOpen source	6.7%

👉 See Also

🌎 Webmail in other countries

Data is based on the analysis of 36,163 websites from the Czech Republic.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.