Mailspring is #8 in Top 10 Email Clients
The free open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.
Positions in ratings
#8 in Top 10 Email Clients
Alternatives
The best alternatives to Mailspring are: Thunderbird, BlueMail, Evolution, eM Client, Spark, Mailbird, Outlook
See also:
Top 10 Email Clients for Work
Top 10 Email Clients for Work