OpenCOBOL translates COBOL into C and compiles the translated code using the native C compiler. You can build your COBOL programs on various platforms, including Unix/Linux, Mac OS X, and Microsoft Windows. The compiler is licensed under GNU General Public License. The run-time library is licensed under GNU Lesser General Public License.

GitHub - IonicaBizau/node-cobol COBOL bridge for NodeJS which allows you to run COBOL code from NodeJS. Via Ars Technica - Calling 1959 from your Web code: A COBOL bridge for Node.js

IBM Developer - COBOL
GitHub - openmainframeproject / cobol-programming-course

YouTube - "The New COBOL" - Benno Rice (PyCon AU 2019)