RoundCube tracking and usage
Websites using RoundCube over time
20,708websites on 11 Nov 2026
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We track 20,708 websites using RoundCube, along with their country, traffic, industry and platforms. There are 268 websites using RoundCube in United States.
About RoundCube
RoundCube is an open-source webmail client with a desktop-like interface, drag-and-drop message management, and built-in spell-checking.
Websites using RoundCube by countrymarket share
1.3%
🇺🇸US6.6%
🇵🇱PL6.1%
🇩🇪DE3.9%
🇧🇷BR3%
🇹🇭TH2.9%
🇳🇱NL2.7%
🇮🇹IT1.9%
🇨🇿CZWebsites using RoundCube by industrymarket share · top 6 industries
Technology & Computing
Education
Shopping
SaaS & Cloud
Software Development
Marketing & Advertising
0%13%25%38%50%
Websites using RoundCube
showing 25 of 20,708| Website | Country | Traffic | Industry |
|---|---|---|---|
| - | Top 5K | - | |
| 🇯🇵JP | Top 5K | - | |
| 🇱🇹LT | Top 5K | Technology & Computing | |
| 🇩🇪DE | Top 5K | Software Development | |
| 🇷🇺RU | Top 10K | Print & Publishing | |
| 🇮🇳IN | Top 50K | Education | |
| 🇮🇪IE | Top 50K | Legal Services | |
| 🇱🇹LT | Top 50K | Technology & Computing | |
| 🇩🇪DE | Top 50K | Technology & Computing | |
| 🇨🇦CA | Top 50K | Software Development | |
| 🇺🇸US | Top 50K | Technology & Computing | |
| 🇮🇩ID | Top 50K | Technology & Computing | |
| - | Top 50K | Technology & Computing | |
| 🇵🇱PL | Top 50K | Education | |
| 🇷🇴RO | Top 50K | Technology & Computing | |
| 🇺🇸US | Top 50K | Technology & Computing | |
| 🇺🇸US | Top 50K | Technology & Computing | |
| 🇭🇷HR | Top 50K | - | |
| 🇺🇸US | Top 50K | Technology & Computing | |
| 🇵🇱PL | Top 50K | Technology & Computing | |
| 🇨🇾CY | Top 50K | Technology & Computing | |
| 🇧🇷BR | Top 50K | Technology & Computing | |
| 🇩🇪DE | Top 50K | Technology & Computing | |
| 🇿🇦ZA | Top 50K | Technology & Computing | |
| 🇬🇷GR | Top 100K | Print & Publishing |
Showing 25 of 20,708 websitesView detailed list →
Frequently asked
What is RoundCube?›
RoundCube is a free and open-source webmail client that allows users to access their emails through an easy-to-use web interface. It is written in PHP and supports the IMAP protocol, making it compatible with most email providers.
How do I install RoundCube on my server?›
To install RoundCube, you'll need to download the package from their official website, extract it, and then follow the instructions in the installation guide specific to your server environment. RoundCube requires a web server and database to function.
Is it possible to customize RoundCube's appearance?›
Yes, RoundCube can be customized through the use of skins and themes. You can either create your own or download pre-built skins from the RoundCube website or other sources. To install and apply a new skin, follow the instructions provided by the skin's author.
How secure is RoundCube?›
RoundCube is built with security in mind and incorporates industry-standard encryption techniques, such as SSL/TLS, for secure email transmission. However, the security of your RoundCube installation also depends on your server's security settings and maintenance.
Can I use RoundCube with other email clients?›
Yes, RoundCube is compatible with other email clients as long as they support the IMAP protocol. You can access your email through RoundCube on the web while still using a desktop or mobile email client for the same account.
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