SDK Detection
Automatically detects the installed ECHO SDK version and suggests compatible templates and build targets.

Creator Tool
Build addons for the ECHO Platform.
The official desktop IDE for ECHO addon developers. Create Native and Standalone addons from templates, edit manifests visually, build for multiple targets, and publish through GitHub Releases.
Features
Addon Studio is not a text editor. It is a purpose-built environment for the ECHO addon lifecycle.
Automatically detects the installed ECHO SDK version and suggests compatible templates and build targets.
Create projects for Native, Standalone, or dual-target addons with optional NeoForge compatibility.
Visual echo.mod.json editor with validation, autocomplete, and PackOS policy checking.
One-click builds for Native, Standalone, and NeoForge from the same project source.
Launch the Standalone Runtime directly from the studio to test addons without leaving the IDE.
Prepares release assets, generates checksums, and creates GitHub Release drafts with proper metadata.
New in this release
System Requirements
Addon Studio runs on Windows 10+ and modern Linux distributions. It requires a 64-bit system and approximately 200 MB of disk space.
Windows: Windows 10 version 1903 or later
Linux: Ubuntu 20.04+, Fedora 35+, or equivalent