Publishing for Old-School Essentials
Using the Old-School Essentials Third-Party License, you can publish your own adventures and supplements for OSE. This page provides links and resources useful to third-party publishers.
- Old-School Essentials third-party license. Includes "Designed for use with Old-School Essentials" logos.
- Copying/adapting pre-2026 OSE material. A blog post with guidance on how to use the Open Game License to copy/adapt material from pre-2026 printings of OSE in your own products.
- Copying/adapting 2026 OSE material (coming soon). The OSE 2026 Player's Book includes a new third-party license that simplifies copying/adapting OSE material in your own third-party products (without using the OGL!).
FAQ coming soon.