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Indie alternatives to Superhuman

3 products made by independent developers and small teams that do what Superhuman does, 2 of them with a free plan. Free and open-source options come first.

At a glance

Product	Price	Open source	Self-host	Platforms
Shortwave	Free plan	–	–	Web, Mac, Windows, iOS, Android
Spark	Free plan	–	–	Mac, Windows, iOS, Android
Mimestream	Paid	–	–	Mac

The alternatives

1. Shortwave

AI-powered email client for Gmail

An email client for Gmail with an AI assistant that searches, summarizes and drafts emails, plus bundles and to-do style inbox management.

Free plan · Web, Mac, Windows, iOS, Android · Website ↗

2. Spark

Smart email client for individuals and teams

An email app from Readdle with a smart inbox, snooze, send later, shared drafts and AI writing tools, working with any email provider.

Free plan · Mac, Windows, iOS, Android · Website ↗

3. Mimestream

Native macOS email client for Gmail

Mimestream is a Mac email app built specifically for Gmail, using the Gmail API to support labels, filters and multiple accounts.

Paid · Mac · Website ↗

Questions

Is there a free alternative to Superhuman?

Yes. 2 of the 3 indie alternatives listed here have a free plan or are free: Shortwave and Spark.

Which Superhuman alternatives work on Mac, Windows, iPhone or Android?

On Windows: Shortwave and Spark. On iPhone and iPad: Shortwave and Spark. On Android: Shortwave and Spark. On the web: Shortwave.

What makes these alternatives to Superhuman “indie”?

They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Superhuman.

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