head to head · open source
Reflex vs davmail
Reflex has 28,987 GitHub stars, 1,827 forks, 346 open issues and last shipped yesterday. davmail has 774 stars, 118 forks, 52 open issues and last shipped yesterday. Reflex leads on adoption by 3,645% (28,987 vs 774 stars). Reflex is written in Python under Apache-2.0; davmail is written in Java under GPL-2.0. Reflex has attracted 6% as many forks as stars, davmail 15%. Reflex was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Reflex | davmail | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 774 |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.8K | ⑂ 118 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Reflex if
- You weight community size — 29K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick davmail if
- You want the davmail feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Java
- You evaluated both and davmail fits your workflow better
About Reflex
✨ Performant, customizable web apps in pure Python. Deploy in seconds. ✨ [!NOTE] Build faster with Reflex: AI Builder Generate full stack Reflex apps in seconds. Agent Toolkit Connect MCP and Skills to your coding assistant. App Management Deploy and manage your Reflex apps. Introduction Reflex is a library to build full stack web apps in pure Python. Key features: Pure Python Write your app's frontend and backend all in Python, no need to learn Javascript. Full Flexibility Reflex is easy to get started with, but can also scale to complex apps. See our architecture page to learn how Reflex works under the hood…
read the full Reflex overview →
About davmail
DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway Ever wanted to get rid of Outlook? DavMail is a POP/IMAP/SMTP/CalDAV/CardDAV/LDAP gateway allowing users to use any mail client with Exchange and Office 365. Packages are available for macOS, Linux and Windows. The main project site is still on Sourceforge at This git repository is synchronized with the subversion repository in order to make contributions easier for GitHub users. Donate Donations are welcome to help support DavMail development, in dollars or Euros Download Download latest DavMail release on Sourceforge RPM packages are…
read the full davmail overview →
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Frequently asked questions
Is Reflex or davmail more popular?
Reflex has 28,987 GitHub stars and davmail has 774. Reflex has the larger community by that measure.
Are Reflex and davmail free?
Both are open source. Reflex is licensed under Apache-2.0 and davmail under GPL-2.0. Neither carries a licence fee.
What is the difference between Reflex and davmail?
Reflex is written in Python and davmail in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Reflex or davmail?
Choose Reflex if you want the larger community (28,987 stars) or its Apache-2.0 licence terms. Choose davmail if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.