Fredoscale License

You may NOT:

For those below the threshold, the code remains Open Source (OSD-compliant). For those above the threshold, the source code is still available (Source Available), but the rights to modify and run it in production are explicitly tied to a paid subscription. Fredoscale License

Critics, including the OSI and many free software purists, vehemently oppose the Fredoscale License. They argue it is not open source because it discriminates against fields of endeavor (a key OSI criterion). You may NOT: For those below the threshold,

The Definition Problem: Clause 6 of the OSI definition states: "The license must not restrict anyone from making use of the program in a specific field of endeavor." By punishing a company for being large, the Fredoscale License violates this. They argue it is not open source because

Enforcement Nightmare: How does a solo developer audit the revenue of a private startup in a foreign jurisdiction? The cost of compliance and enforcement would bankrupt the licensor long before the license fees arrive.

The Fork Risk: As soon as a company hits the scale threshold, they have the source code and the right (under the hobbyist term they originally used) to fork the last free version. The large company simply maintains its own fork, pays nothing, and never upgrades.

Fredo6 (the developer) uses a custom licensing method outside of the SketchUp Extension Warehouse (no subscription to Trimble’s store). Here’s how it works: