Best Open WebMail Alternatives in 2026
Updated
20 apps from email clients ranked against Open WebMail on the same published basis.
- 1Open WebMail vs Mozilla Thunderbird
- 2Open WebMail vs Zoho Mail
- 3Open WebMail vs Spark Mail
- 4Open WebMail vs eM Client
- 5Open WebMail vs Spike
- 6Open WebMail vs Mailbutler Smart Assistant
- 7Open WebMail vs Mailspring
- 8Open WebMail vs Newton Mail
- 9Open WebMail vs Canary Mail
- 10Open WebMail vs Epistles Mail
- 11Open WebMail vs Edison Mail
- 12Open WebMail vs Airmail
- 13Open WebMail vs PigeonPost
- 14Open WebMail vs Velo
- 15Open WebMail vs Sparrow
- 16Open WebMail vs MailCopilot
- 17Open WebMail vs Dove
- 18Open WebMail vs Saymail
- 19Open WebMail vs FairEmail
- 20Open WebMail vs Franz
Open WebMail alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mozilla Thunderbird | 9.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | Zoho Mail | 8.4 | Free plan | $0.08/mo | Android, iOS, Linux, Mac, Web, Windows |
| 3 | Spark Mail | 8.2 | Free plan | $8.25/mo | Android, iOS, Mac, Windows |
| 4 | eM Client | 8.2 | Free plan | $3.33/mo | Android, iOS, Mac, Windows |
| 5 | Spike | 8.1 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 6 | Mailbutler Smart Assistant | 8.1 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 7 | Mailspring | 8.0 | Free plan | Linux, Mac, Windows | |
| 8 | Newton Mail | 8.0 | Free plan | $5/mo | Android, iOS, Mac, Windows |
| 9 | Canary Mail | 8.0 | Free plan | $3/mo | Android, iOS, Mac, Windows |
| 10 | Epistles Mail | 8.0 | Free plan | $2.92/mo | Android, iOS, Linux, Mac, Web, Windows |
| 11 | Edison Mail | 7.8 | Free plan | Android, iOS, Mac, Windows | |
| 12 | Airmail | 7.7 | Free plan | $2.50/mo | iOS, Mac |
| 13 | PigeonPost | 7.7 | Free plan | Free | Linux, Mac, Windows |
| 14 | Velo | 7.7 | Free plan | Free | Linux, Mac, Windows |
| 15 | Sparrow | 7.7 | Free plan | Free | Linux, Mac, Windows |
| 16 | MailCopilot | 7.7 | Free plan | Free | Linux, Mac, Windows |
| 17 | Dove | 7.7 | Free plan | $16.67/mo | Android, iOS, Mac, Web, Windows |
| 18 | Saymail | 7.7 | Free plan | €3.25/mo | Android, iOS, Linux, Mac, Windows |
| 19 | FairEmail | 7.6 | Free plan | Free | Android |
| 20 | Franz | 7.6 | Free plan | Linux, Mac, Windows |
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Questions about Open WebMail alternatives
What is the best alternative to Open WebMail?
Mozilla Thunderbird, number 1 in email clients with a score of 9.6 out of 10. The others here: Zoho Mail, Spark Mail, eM Client and 16 more.
What is the best free alternative to Open WebMail?
Mozilla Thunderbird is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to Open WebMail?
Yes: Mozilla Thunderbird.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.