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Lumo
Your inbox, handled.
Lumo is a Windows desktop AI email chief of staff. It reads every email as it arrives, files the noise, and gives you a running brief of what's actually happening in your inbox. It drafts replies in your voice using knowledge from your real email history — and its signature rule: it never fabricates your opinion. If a reply needs a decision only you can make, it asks you instead of guessing. Auto-send is off by default, every send has a 5-minute undo, and replies thread properly.
Top comment
Hey Product Hunt! I'm Balwinder Singh, solo founder of Lumo. I built this because my own inbox was eating the first two hours of every day. 100+ emails, and the 3–4 that actually mattered were buried under newsletters and receipts. Filters didn't help — they sort senders, they don't understand messages. Lumo is a Windows desktop app that watches your Gmail 24/7, files the noise, and gives you a short brief of what's actually happening. When something needs a reply, it drafts one in your voice, learned from your own sent mail. The design decision I'm proudest of: Lumo never fabricates your opinion. Every AI email tool I tested would confidently answer "yes, Tuesday works" or "sure, 15% off" on my behalf — guessing. Lumo detects when a reply needs a decision only you can make, and asks you a plain question instead. You answer, it drafts around your actual answer. Auto-send is off by default, every send has a 5-minute undo, and replies thread properly. Being fully honest, because it's a beta: it's Windows + Gmail only right now, the installer isn't code-signed yet (Windows shows "More info → Run anyway"), and Google shows its "unverified app" screen until my verification clears (Advanced → continue). I'd rather tell you here than surprise you mid-install. The deal: it's free for the first 100 founding users, and you get me personally on support — I onboard you, I fix what you report, usually same day. I'll be here all day answering everything — including "why should I trust an app with my email?" Fair question, ask it.
About Lumo on Product Hunt
“ Your inbox, handled.”
Lumo was submitted on Product Hunt and earned 4 upvotes and 3 comments, placing #153 on the daily leaderboard. Lumo is a Windows desktop AI email chief of staff. It reads every email as it arrives, files the noise, and gives you a running brief of what's actually happening in your inbox. It drafts replies in your voice using knowledge from your real email history — and its signature rule: it never fabricates your opinion. If a reply needs a decision only you can make, it asks you instead of guessing. Auto-send is off by default, every send has a 5-minute undo, and replies thread properly.
On the analytics side, Lumo competes within Email and Artificial Intelligence — topics that collectively have 509.9k followers on Product Hunt. The dashboard above tracks how Lumo performed against the three products that launched closest to it on the same day.
Who hunted Lumo?
Lumo was hunted by Balwinder Singh. 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.
For a complete overview of Lumo including community comment highlights and product details, visit the product overview.