Core CAD and geometry technology
Industrial 3D CAD kernel used by EQUEL for STEP reading, B-rep geometry, solid properties, and sectioning operations.
License: GNU LGPL 2.1 with the Open CASCADE Exception 1.0.
Python bindings for Open CASCADE Technology, allowing EQUEL to use OCCT from Python server code.
License: GNU LGPL 3.0 or later.
Python DXF library used by EQUEL to read, clean, rebuild, and generate DXF production files.
License: MIT License.
2D geometric analysis used in EQUEL for polygon operations, containment checks, and scrap rectangle detection.
Shapely license: BSD 3-Clause. GEOS license: LGPL 2.1.
Numerical calculations used by EQUEL geometry and preview logic.
License: BSD-style / modified BSD license.
Web application technology
Python web/API framework, ASGI layer, data validation, and HTML templating used by the EQUEL server.
Licenses: MIT / BSD-family licenses depending on component.
HTTP client and password hashing components used in EQUEL authentication and Google OAuth flow.
HTTPX license: BSD 3-Clause. bcrypt license: Apache 2.0.
Browser-side spreadsheet export used by EQUEL report/export tools.
License: Apache 2.0.
EQUEL notice
EQUEL is developed by ARAMKOR Sp. z o.o. for PE foam packaging production workflows.
If EQUEL is distributed as a source or deployment package, the corresponding third-party license texts and notices should be kept with the package.