Founders lose hours everyday to doing email, when they should be spending the time to build and make real progress. Dirac was made to end that. Dirac is an AI-native inbox that scans your threads, drafts replies in your voice, and shows a brief with only what needs your decision, quietly dealing with the 80% of un-important emails in the background. You run your inbox by deciding, not being your own assitant.
Hey Product Hunt!! 👋 I'm Peter, the Maker of Dirac.
On my last startup we were a tiny team with barely any traction. And I was still losing about a fifth of my working time to email. Cold outreach, notifications, prospects, internal threads. Volume wasn't the real issue.Everything funneled through me, and most of it didn't need me. But I had to read every message just to know which was which, or risk something important slipping through.
That's the part I kept coming back to. Founders aren't bad at email. They're stuck being their own assistant. Every tool out there makes you faster at doing email. Superhuman, Hey, Gmail, all of them. But being faster at the wrong job is still the wrong job. Email pulls you out of building all day, and the best tools only make that a little more bearable.
🚀 🚀 So I built Dirac. An AI-native inbox where the AI does the busywork, not you. Every morning it hands you a brief with only the emails that actually need you. Everything else gets sorted, filed, and handled in the background. Tell it to reply and it drafts in your voice. It already learned your tone from your sent mail. You show up to email already knowing what matters and what to say. 🎯 That's the difference. Every competitor is AI bolted onto a traditional inbox. Dirac is agentic. You make the calls, it does the work.
It's live at https://dirac.app if you want to try it. 14 days free, no card needed. But mostly I want to hear from you. What's the one email task you'd kill first? And what would you always keep for yourself?
An inbox that briefs me before I open the inbox is the dream. Founder email is basically a boss fight with subject lines.
Congrats on the launch!
The "morning brief" framing makes more sense to me than "inbox AI" — most founders I know don't have an inbox problem, they have a "what should I care about first" problem.
Does Dirac pull from anywhere outside email (Linear, GitHub, Sentry, etc.) for the brief, or is email the only signal source for now?
A morning briefing from your inbox is such a useful idea for busy founders. Can you customize what the daily brief focuses on?
I like the framing of “only what needs your decision.” Most inbox tools still assume you want to process everything, while in reality most emails are just noise
#9 and 82 points on launch day — how'd you pull that off straight out of the gate? Pre-warmed audience, community seeding, a strong hunter? Genuinely trying to learn what a clean PH launch takes these days.
As someone who spends way too much of her morning triaging email instead of actually building, this hits close to home. The "drafts replies in your voice" part is what I'm most curious about. Does it actually learn your tone over time or is it more of a one-time setup?
Congrats on the launch, rooting for this one!
I like that it does the prep work but still leaves the actual communication to you. How does Dirac know if I’m writing to a client, an investor or a friend? Does it change the tone automatically?
Congrats on the launch!!👏
I like the framing that founders shouldn’t just become faster at doing email. The real unlock is probably seeing only what actually needs a decision, and letting the rest move without constantly pulling you away from building.
Curious how Dirac decides what needs the founder’s attention and what can safely be handled in the background. Is that something users train manually over time, or does it learn mostly from inbox and sent email behavior?
Also, the “what would you always keep for yourself?” question is a good one. For me, anything related to partnerships, sensitive customer issues, or important founder-to-founder communication should probably stay human.
Update: We have a yearly coupon too: TRYDIRAC25
use wisely...
About Dirac on Product Hunt
“The AI inbox that briefs founders every morning”
Dirac launched on Product Hunt on June 16th, 2026 and earned 104 upvotes and 22 comments, placing #9 on the daily leaderboard. Founders lose hours everyday to doing email, when they should be spending the time to build and make real progress. Dirac was made to end that. Dirac is an AI-native inbox that scans your threads, drafts replies in your voice, and shows a brief with only what needs your decision, quietly dealing with the 80% of un-important emails in the background. You run your inbox by deciding, not being your own assitant.
Dirac was featured in Email (36.7k followers), Productivity (653.9k followers), Artificial Intelligence (471.1k followers) and Vercel Day (19 followers) on Product Hunt. Together, these topics include over 248k products, making this a competitive space to launch in.
Who hunted Dirac?
Dirac was hunted by Zac Zuo. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Dirac stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Zac Zuo
Hey Product Hunt!! 👋 I'm Peter, the Maker of Dirac.
On my last startup we were a tiny team with barely any traction. And I was still losing about a fifth of my working time to email. Cold outreach, notifications, prospects, internal threads. Volume wasn't the real issue.Everything funneled through me, and most of it didn't need me. But I had to read every message just to know which was which, or risk something important slipping through.
That's the part I kept coming back to. Founders aren't bad at email. They're stuck being their own assistant.
Every tool out there makes you faster at doing email. Superhuman, Hey, Gmail, all of them. But being faster at the wrong job is still the wrong job. Email pulls you out of building all day, and the best tools only make that a little more bearable.
🚀 🚀
So I built Dirac. An AI-native inbox where the AI does the busywork, not you.
Every morning it hands you a brief with only the emails that actually need you. Everything else gets sorted, filed, and handled in the background. Tell it to reply and it drafts in your voice. It already learned your tone from your sent mail. You show up to email already knowing what matters and what to say.
🎯
That's the difference. Every competitor is AI bolted onto a traditional inbox. Dirac is agentic. You make the calls, it does the work.
It's live at https://dirac.app if you want to try it. 14 days free, no card needed. But mostly I want to hear from you. What's the one email task you'd kill first? And what would you always keep for yourself?