Best Microsoft DevSkim Alternatives in 2026
Updated
20 tools from email clients ranked against Microsoft DevSkim on the same published basis.
- 1Microsoft DevSkim vs Zoho Mail
- 2Microsoft DevSkim vs Mailbutler Smart Assistant
- 3Microsoft DevSkim vs Spark Mail
- 4Microsoft DevSkim vs Epistles Mail
- 5Microsoft DevSkim vs eM Client
- 6Microsoft DevSkim vs Mailspring
- 7Microsoft DevSkim vs Mozilla Thunderbird
- 8Microsoft DevSkim vs Spike
- 9Microsoft DevSkim vs Newton Mail
- 10Microsoft DevSkim vs Canary Mail
- 11Microsoft DevSkim vs Dove
- 12Microsoft DevSkim vs Workspace ONE Boxer
- 13Microsoft DevSkim vs Shortwave
- 14Microsoft DevSkim vs Missive
- 15Microsoft DevSkim vs Saymail
- 16Microsoft DevSkim vs Airmail
- 17Microsoft DevSkim vs Superhuman Mail
- 18Microsoft DevSkim vs BlueMail
- 19Microsoft DevSkim vs Polymail
- 20Microsoft DevSkim vs Velo
Microsoft DevSkim alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Zoho Mail | 9.7 | Free plan | $0.08/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Mailbutler Smart Assistant | 9.4 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 3 | Spark Mail | 9.3 | Free plan | $8.25/mo | Android, iOS, Mac, Windows |
| 4 | Epistles Mail | 9.3 | Free plan | $2.92/mo | Android, iOS, Linux, Mac, Web, Windows |
| 5 | eM Client | 9.0 | Free plan | $3.33/mo | Android, iOS, Mac, Windows |
| 6 | Mailspring | 9.0 | Free plan | — | Linux, Mac, Windows |
| 7 | Mozilla Thunderbird | 8.9 | Free plan | Free | Android, Linux, Mac, Windows |
| 8 | Spike | 8.9 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 9 | Newton Mail | 8.8 | Free plan | $5/mo | Android, iOS, Mac, Windows |
| 10 | Canary Mail | 8.8 | Free plan | $3/mo | Android, iOS, Mac, Windows |
| 11 | Dove | 8.6 | Free plan | $20/mo | Web, Windows, Mac, iOS, Android |
| 12 | Workspace ONE Boxer | 8.5 | No | $5.40/mo | Web, Windows, Mac, Linux, iOS, Android |
| 13 | Shortwave | 8.5 | No | $30/mo | Android, iOS, Mac, Web, Windows |
| 14 | Missive | 8.4 | No | $14/mo | Web, Windows, Mac, iOS, Android |
| 15 | Saymail | 8.4 | Free plan | €3.25/mo | Windows, Mac, Linux, iOS, Android |
| 16 | Airmail | 8.3 | Free plan | $2.50/mo | iOS, Mac |
| 17 | Superhuman Mail | 8.2 | No | $2.08/mo | Web, Windows, Mac, iOS, Android |
| 18 | BlueMail | 8.2 | No | — | Windows, Mac, Linux, iOS, Android |
| 19 | Polymail | 8.0 | No | $10/mo | Web, Windows, Mac, iOS |
| 20 | Velo | 8.0 | Free plan | Free | Windows, Mac, Linux |
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Questions about Microsoft DevSkim alternatives
What is the best alternative to Microsoft DevSkim?
Zoho Mail, number 1 in email clients with a score of 9.7 out of 10. The others here: Mailbutler Smart Assistant, Spark Mail, Epistles Mail and 16 more.
What is the best free alternative to Microsoft DevSkim?
Zoho Mail is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to Microsoft DevSkim?
Yes: Mozilla Thunderbird.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.