Microsoft’s entry into the e-learning world is a lightweight but free PowerPoint add-in. You can record presentations and do basic quizzing. They have their own reporting tool, but you can’t use it in an LMS.
Tool for troubleshooting SCORM files that lets you actually analyze the errors. It’s not cheap, but if you’re spending lots of hours with trial and error guessing at what might fix a problem, it’s probably worth it.