SublimeKeys is a developer-focused licensing solution designed specifically for creators and solo developers selling desktop applications. Positioned directly between fragile, self-written homebrew scripts and overly complex enterprise DRM systems, SublimeKeys provides a streamlined, singular API to handle license key generation, activation, and verification.
Built with indie developers in mind, the platform features device-locked and revocable keys alongside a robust offline verification capability that lasts up to 7 days without requiring a live network call. SublimeKeys ships out-of-the-box with Python and Node/Electron SDKs, an accessible free tier, and a comprehensive dashboard available in 12 languages. It is already battle-tested in production as the trusted license server behind products like ReelNox Studio and BackDrop_.
SublimeKeys is a licensing tool and API for desktop app developers that handles license key generation, activation, and verification without the complexity of enterprise DRM.
Yes, SublimeKeys features offline verification that allows users to run your desktop application for up to 7 days without making a network call.
SublimeKeys currently ships with dedicated SDKs for Python and Node/Electron.

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Developer & founder @ Sublimearts.io