The best Group Chat alternative to SolMail is Mailspring, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 25 alternatives to SolMail, but unfortunately only two of them are Group Chat Apps.
Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
Transform your email inbox into a collaborative workspace with Spike. Enjoy integrated chat-like emails, tasks, collaborative notes, and group projects. Seamlessly manage multiple accounts, organize priorities, and schedule meetings across devices.
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