How to Monetize an Open Source Project: Freemium...

Open source projects with paying customers are possible. The freemium model -- free core, paid features -- works for developer tools when the boundary between free and paid is drawn correctly. Here's how to structure an open-source project that generates revenue. The Freemium Boundary The line between free and paid determines everything. Draw it wrong and you get: Too restrictive: No adoption. Nobody uses free, nobody upgrades. Too generous: Lots of users, zero revenue. "We use the free version