Side by side
Open WebMail vs PopMan
Both stand on email clients. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxSelf-hostedWeb
Open WebMail provides broad mail, contact, calendar, and administration features without a listed cost. Its server requirements and limited calendar/filter support make deployment and maintenance important considerations.
Visit Open WebMail Free plan LinuxWindows
PopMan focuses on server-side mail inspection and cleanup rather than being a full email client. Its free portable design is useful, but Gmail users need an App Password after the stated OAuth2 change.
Visit PopManThe facts
| Open WebMail | PopMan | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Self-hosted, Web | Linux, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | openwebmail.org | ch-software.de |
| On email clients | #99 of 142 | #103 of 142 |
Open WebMail: what it does well
- Designed for very large mail folders
- Full-content search, POP3, filters, and unified inbox
- vCard address book and calendar reminders
- Multiple authentication and virtual-hosting options
- Free, open-source project
What to know first
- Requires Apache CGI and Perl 5.005 or later
- Spam and virus tools need separate installations
- Global filters and calendars have limited support
- Administrator configuration is required
PopMan: what it does well
- Lists server mail without full downloads
- Deletes messages directly, including by rules
- Checks accounts and notifies about new mail
- Runs portably from a USB memory stick
- Displays HTML as extracted text
What to know first
- Windows program; Linux requires WINE
- Gmail OAuth2 stopped working in November 2024
- Listed download is version 1.3.18
- No full email composition features are listed
Alternatives to Open WebMail Alternatives to PopMan The whole list