The plugin files in here are for GADWP before ExactMetrics released GADWP plugin killer version 6 on the 12th Feb. 2020.
These files were downloaded from Internet Archive's copy of the WordPress repository: https://web.archive.org/web/20200211191311/https://wordpress.org/plugins/google-analytics-dashboard-for-wp/
Plugin file version 5.3.10 was the final version of the old plugin released to WordPress.org.