A source-visible software licence with tiered permissions: personal and private use always free; public distribution and organizational use require explicit developer permission. Includes patent exclusion, automatic termination on violation, developer-controlled relicensing, and Apache 2.0 fallback on succession.
open-source legal license copyright intellectual-property licence software-license software-licensing source-available custom-license succession-planning developer-controlled
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Updated
Aug 1, 2026