New Landscape Editor 0.5

Main features:
landscape creation, both manual or procedural
visual object placement (only for vanilla)
tools to assist the creation of quest scripts

Project page: https://github.com/Daniels118/BWLandEditor
Installer: https://github.com/Daniels118/BWLandEditor/releases/download/0.5/BWLandEditorGUI-0.5.msi
Runnable jar (smaller, but requires Java 11 or later): https://github.com/Daniels118/BWLandEditor/releases/download/0.5/BWLandEditorGUI-0.5-windows.jar

Docs in multiple languages: https://daniels118.github.io/BWLandEditor/