Open-source, extensible email app with open tracking, link click tracking, contacts enrichment data and more.
Mailspring is an open-source, extensible email app with open tracking, link click tracking, contacts enrichment data and more. Comes packed with powerful features like Unified Inbox, Snooze, Send Later, Mail Rules, Templates and more. It indexes your mail so you can use advanced, Gmail-style search queries and search message contents across all your connected accounts. Never lose an email again.
Your signature should leave a lasting impression. Mailspring’s beautiful signature editor makes it easy to create and use custom signatures, even with images. Using a single inbox for all of your email accounts helps you get more done in less time. Itsupports every major mail provider—Gmail, iCloud, Office 365, Outlook.com, Yahoo!, and IMAP/SMTP—so you have a single, streamlined command center for all your messages.
Translation & Spell Check: Business happens in every language. Mailspring can translate messages written in English into Spanish, Russian, simplified Chinese, French, and German—right inside your draft. It auto-detects the language you’re using and spell checks for that language. No need to change your settings!