A Markdown note-taking app with 100+ plugins, cross-platform and encrypted data sync support. The life-time revenue is more than $300k.

• Websitehttps://www.inkdrop.app/
• PlatformWindows/macOS/Linux/iOS/Android
• StackNodeJS, Electron, React Native
• BlogpostHow I&aposve attracted the first 500 paid users for my SaaS that costs $5/mo