Source Code
For now, access to Erdikon's source code must be requested. You can request access before purchasing a license, so you can review how the software works and assess whether it meets your requirements before making a decision.
The source code will be made publicly available at a later date.
To request access, email email@marcobeierer.ch.
The source code is subject to the Erdikon License. The article «Source-Available at Erdikon» explains what the license allows, including self-hosting and modifications, and how it differs from open source.