Best HCL Notes Alternatives in 2026
Updated
20 apps from email clients ranked against HCL Notes on the same published basis.
- 1HCL Notes vs Mozilla Thunderbird
- 2HCL Notes vs Zoho Mail
- 3HCL Notes vs Spark Mail
- 4HCL Notes vs eM Client
- 5HCL Notes vs Mailbutler Smart Assistant
- 6HCL Notes vs Mailspring
- 7HCL Notes vs Newton Mail
- 8HCL Notes vs BlueMail
- 9HCL Notes vs Spike
- 10HCL Notes vs Apple Mail
- 11HCL Notes vs Roundcube
- 12HCL Notes vs Canary Mail
- 13HCL Notes vs Epistles Mail
- 14HCL Notes vs KMail
- 15HCL Notes vs Edison Mail
- 16HCL Notes vs Airmail
- 17HCL Notes vs PigeonPost
- 18HCL Notes vs Velo
- 19HCL Notes vs Dove
- 20HCL Notes vs FairEmail
HCL Notes alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mozilla Thunderbird | 9.5 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | Zoho Mail | 8.3 | Free plan | $0.08/mo | Android, iOS, Linux, Mac, Web, Windows |
| 3 | Spark Mail | 8.1 | Free plan | $8.25/mo | Android, iOS, Mac, Windows |
| 4 | eM Client | 8.1 | Free plan | $3.33/mo | Android, iOS, Mac, Windows |
| 5 | Mailbutler Smart Assistant | 8.1 | Free plan | $7/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 6 | Mailspring | 8.0 | Free plan | Linux, Mac, Windows | |
| 7 | Newton Mail | 8.0 | Free plan | $5/mo | Android, iOS, Mac, Windows |
| 8 | BlueMail | 8.0 | Free plan | Free | Android, iOS, Linux, Mac, Windows |
| 9 | Spike | 8.0 | Free plan | $4/mo | Android, iOS, Mac, Web, Windows |
| 10 | Apple Mail | 7.9 | Free plan | Free | iOS, Mac |
| 11 | Roundcube | 7.9 | Free plan | Free | Linux, self-hosted, Web |
| 12 | Canary Mail | 7.9 | Free plan | $3/mo | Android, iOS, Mac, Windows |
| 13 | Epistles Mail | 7.9 | Free plan | $2.92/mo | Android, iOS, Linux, Mac, Web, Windows |
| 14 | KMail | 7.8 | Free plan | Free | Linux |
| 15 | Edison Mail | 7.8 | Free plan | Android, iOS, Mac, Windows | |
| 16 | Airmail | 7.7 | Free plan | $2.50/mo | iOS, Mac |
| 17 | PigeonPost | 7.7 | Free plan | Free | Linux, Mac, Windows |
| 18 | Velo | 7.7 | Free plan | Free | Linux, Mac, Windows |
| 19 | Dove | 7.7 | Free plan | $16.67/mo | Android, iOS, Mac, Web, Windows |
| 20 | FairEmail | 7.6 | Free plan | Free | Android |
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Questions about HCL Notes alternatives
What is the best alternative to HCL Notes?
Mozilla Thunderbird, number 1 in email clients with a score of 9.5 out of 10. The others here: Zoho Mail, Spark Mail, eM Client and 16 more.
What is the best free alternative to HCL Notes?
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 HCL Notes?
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.