The best alternatives to Franke are Missive, MailClark, and Alert.email. If these 3 options don't work for you, we've listed a few more alternatives below.
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Haggle — A CTA buyers want to click, when they aren't ready to demo
Gmelius is the first collaboration platform designed for G Suite and your company's daily apps. Gmelius transforms Gmail into your team's workspace. Collaborate in real-time thanks to shared mailboxes, a help d...
SharedBox gives you a unique email that connects to your Slack account. Emails sent or forwarded to it is sent to your choice Slack channel, properly threaded. Collaborate with your team, comment, add notes and...