37signals
hey.comHEY is an email and calendar service developed by 37signals, designed as a modern alternative to traditional email providers.
3technologies detected
Jul 20, 2026last updated
This is a free snapshot. Get fresh scans, saved history, and API access.
Get started
37signals’s products
Technologies 37signals builds, detected across our directory.
Companies that use 37signals
1 company in our directory run 37signals.
Companies with a similar stack
Other companies that share the most technologies with 37signals.
