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There's already a lot of great stuff in this list :)
#education: I'm working on building up a comprehensive link resource for technical educators interested in creating course material.

(Things like Codecademy's course builder to make interactive JavaScript lessons. Or using Github to get early feedback on a book release. Or how I use CoderDeck to make in-person workshop material.)

Help me out by commented below or in the linked Google Doc if you know of something I'm missing!
Course builders. for technical courses, workshops and books. Course builders. Codecademy course creator (JavaScript, Python, Web):; Google Course Builder: