*[https://www.cpc-power.com/index.php?page=detail&num=12906 HSYNC test]
*[https://www.planetemu.net/rom/amstrad-cpc-applications-dsk/crtc-editor-v5-1-1994-brain-of-chaos CRTC editor v5.1]
*[https://www.cpc-power.com/index.php?page=detail&num=18998 4096k Tester]Amstrad Plus palette tester
*[https://www.cpc-power.com/index.php?page=detail&num=15518 DskTest v0.1.47b]
*[https://www.cpc-power.com/index.php?page=detail&num=15144 Dlfrsilver Dump Tool Test Suite v1805]