Side by side
Conjoon 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 APISelf-hostedWeb
Conjoon offers a configurable webmail interface with unified multi-account handling and documented APIs. Its self-hosting model and build dependencies make it better suited to technically capable users than to those seeking a ready-made hosted mailbox.
Visit Conjoon 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
| Conjoon | PopMan | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | Linux, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | conjoon.org | ch-software.de |
| On email clients | #107 of 142 | #103 of 142 |
Conjoon: what it does well
- Free open-source web email client
- Unified inbox for multiple accounts
- IMAP and SMTP backend support
- Sound and desktop new-mail notifications
- Application and component plugin support
What to know first
- Requires a compatible rest-api-email service
- Desktop alerts need browser permission
- Installation requires Node.js 16 or newer
- Source builds require Sencha Ext JS
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 Conjoon Alternatives to PopMan The whole list