Email arrives. AI acts. You decide.
No polling delays. Every email is classified within seconds of landing in Gmail.
What MailOS actually does
Six focused capabilities. Zero fluff.
AI Classification
Intent, urgency, category — classified within seconds.
Smart Grouping
Newsletters and promos clustered, out of your way.
Surface Important
Time-sensitive emails never buried again.
Task Extraction
Action items and deadlines pulled from email body.
Daily Digest
One scannable summary. Read it in 2 minutes.
Real-time Push
No polling. Processed the moment it arrives.
187 emails. One clean digest.
Every morning, MailOS collapses your inbox into what actually requires your attention.
After MailOS
- 2-minute daily digest review
- Zero important emails missed
- One clean prioritized view
Before MailOS
- 45 min of inbox scrolling daily
- 3 important emails missed
- Constant context switching
Built for trust.
Read-only by default.
MailOS never modifies your inbox. It's a read-only intelligence layer on top of Gmail — your data stays yours.
Read-only access
Only reads metadata — never email body storage
Cannot send emails
Zero outbound access, ever
Cannot delete emails
Your Gmail stays untouched
"MailOS turned my morning anxiety into a 2-minute review."
— Alex K., Founder
"The best open-source email client I've ever used. Phenomenal."
— Sarah C., Engineering Mgr
"I actually look forward to checking email now."
— David M., Designer
"Zero config, zero rules to maintain. It just works."
— Emma R., Product Lead
"Self-hosting was a breeze. Highly recommended."
— Chris T., DevOps
"MailOS turned my morning anxiety into a 2-minute review."
— Alex K., Founder
"The best open-source email client I've ever used. Phenomenal."
— Sarah C., Engineering Mgr
"I actually look forward to checking email now."
— David M., Designer
"Zero config, zero rules to maintain. It just works."
— Emma R., Product Lead
"Self-hosting was a breeze. Highly recommended."
— Chris T., DevOps
Reclaim 10 hours this week.
500+ professionals already have. Join them — free to start, open to inspect.