Submitting Pull Requests / Apache NetBeans Part 1: Hello Apache NetBeans Platform Part 2: Debug into the Apache NetBeans Platform Part 3: Run & Debug Apache NetBeans IDE Part 4: Edit and Run Apache NetBeans IDE Part 5: Debug the Sources of Apache NetBeans IDE Changes since the videos were made: Working with the NetBeans source now requires NB IDE 9 or later. The folder layout of the repository has changed to use sub-folder per cluster. Part 1: Hello Apache NetBeans Platform Part 2: Debug into the Apache NetBeans Platform Part 3: Run & Debug Apache NetBeans IDE Part 4: Edit and Run Apache NetBeans IDE Part 5: Debug the Sources of Apache NetBeans IDE See this page in GitHub.