1. The first single application for the entire DevOps lifecycle. https://about.gitlab.com/. library Catalog: about.gitlab.com
2. Open-Source-ERP und -CRM—Odoo. www.odoo.com. library Catalog
3. OpenSCAD-The Programmers Solid 3D CAD Modeller. www.openscad.org. library Catalog
4. Slic3r - Open source 3D printing toolbox. https://slic3r.org/
5. Ultimaker/CuraEngine. Ultimaker, March 2020