Megathread for people who want to get started learning COBOL! This list is a working document and will be updated over time.

Feel free to comment with resources you think should be added to this list!

Free Compilers & Extensions

• GnuCOBOL - A free/libre COBOL compiler
• OtterKit - A modern FOSS COBOL compiler
• Learn COBOL - Visual Studio Code Extension
• Visual COBOL Personal Edition - Learn COBOL with Visual Studio or Eclipse

Free Online Training Courses

• Open Mainframe Project - Video materials on IBM Digital Learning Platform, Coursera, Pluralsight, or YouTube
• Micro Focus COBOL Fundamentals - Instructor-led videos, hands-on tutorials, and development tools
• Department of CSIS - COBOL programming tutorials, lectures, exercises, and examples
• Tutorials Point
• Learn COBOL in One Video - YouTube course
• COBOL Programming 101 - YouTube course

Free Books

• Visual COBOL: A Developer's Guide to Modern COBOL
• Visual COBOL: New Application Modernization Tools for the Java Developer

Other Resources

• Wikipedia
• PUB400 - Public IBM i 7.5 server