List of free course-builder stuff for developerππ½
If you're looking for all programming tools around course-builder (not just free). Check this page List of course-builder Programming Tools
Slip
Build a Programming Course. Earn money while you sleep. Slip is the easiest way to create and sell interactive programming courses directly to your audience
Tag: course-builder
No monthly fee No setup fee Only 10% of sales

Trinket
Share Code from any Device. Trinket lets you run and write code in any browser, on any device.
Tag: course-builder, teaching, playground, web-development
Unlimited Basic Trinkets Python, HTML, GlowScript, Blocks and more Quick, Simple Sharing Remixing Customizable Code Editor Downloadable Code Free Activities Custom Courses