Mainframe

Generative computing

DEVTOOLSSeedEst. 20201–10 employeesSan Francisco, United States

Mainframe wants to redefine human-computer interaction with a future operating system where agents are the new apps. Founded by Jordan Singer, who sold his last startup Diagram to Figma.

Founders

More in DEVTOOLS

Vercel

The frontend cloud — build, deploy, iterate

Supabase

Build in a weekend. Scale to millions.

Linear

The issue tracker built for high-performance teams

Are you the founder?

Add the badge to your site

Show visitors Mainframe is featured on Startups.fm.

<a href="https://startups.fm/startups/mainframe" target="_blank" rel="noopener noreferrer">
  <img src="https://startups.fm/badge/mainframe" alt="Featured on Startups.fm" width="240" height="63" />
</a>

Newsletter

5 startups to watch this week

Funding, jobs & what's being built — every Monday.

← All startups More from United States More DEVTOOLS