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SublimeKeys
Sell your desktop app. We handle the license keys.
Most license key tools are either roll-your-own scripts (fragile, no offline story) or enterprise DRM (overkill for a solo dev). SublimeKeys sits in between: one tiny API to generate, activate, and verify keys — device-locked, revocable, with offline verification lasting 7 days without a network call. Ships with Python and Node/Electron SDKs, a free tier, and a dashboard live in 12 languages. Already the license server behind ReelNox Studio and BackDrop_.
Hey, Patrick here 👋
I built SublimeKeys because I needed it myself. When I shipped ReelNox Studio (a video compressor) and BackDrop_ (a live wallpaper app), I needed real license keys — device-locked, revocable, verifiable offline — and every option I found was either a fragile script I'd have to babysit forever, or enterprise DRM built for a completely different scale of company.
So I built the licensing infrastructure I actually wanted: a tiny REST API — one endpoint to register a product, one to issue a key, one to verify it — with offline verification so a customer's app still works if they're on a plane or behind a flaky connection.
Along the way it kept growing: official SDKs for Python and Node/Electron so nobody has to hand-roll the client side, a free tier so you can try it on a real product before paying anything, and — since half my own users aren't English speakers — the whole dashboard, docs, and even the transactional emails are live in 12 languages with automatic locale detection.
Would love feedback, especially from anyone else selling desktop software who's wrestled with the "how do I actually license this thing" problem themselves.
About SublimeKeys on Product Hunt
“Sell your desktop app. We handle the license keys.”
SublimeKeys was submitted on Product Hunt and earned 3 upvotes and 2 comments, placing #158 on the daily leaderboard. Most license key tools are either roll-your-own scripts (fragile, no offline story) or enterprise DRM (overkill for a solo dev). SublimeKeys sits in between: one tiny API to generate, activate, and verify keys — device-locked, revocable, with offline verification lasting 7 days without a network call. Ships with Python and Node/Electron SDKs, a free tier, and a dashboard live in 12 languages. Already the license server behind ReelNox Studio and BackDrop_.
On the analytics side, SublimeKeys competes within API, Developer Tools and Tech — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how SublimeKeys performed against the three products that launched closest to it on the same day.
Who hunted SublimeKeys?
SublimeKeys was hunted by Patrick Chen. 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 SublimeKeys including community comment highlights and product details, visit the product overview.
Patrick Chen