General Chemistry on edX, an introductory university-level chemistry course offered by MIT staff through the edX platform. Commenters describe its exercises as high quality.

Commenters say the General Chemistry courses on edX are really good, with a quiet forum still visited by MIT staff and high-quality exercises.

What commenters said (1)

1. Recommendssamvher2024in “The Triple Failure of 2U, EdX, and Axim”

   There's still some really good stuff out there. I just finished the General Chemistry courses on EdX and they're really good (with a very quiet discussion forum that's still visited by MIT staff). The Finance MicroMasters was also excellent and had active TAs on most courses. Exercises on all these courses were generally very high quality.

   Another great online course that I recently took is this one on parallel computing [1]. It's not on Coursera/EdX but uses a custom platform, and I would say it goes beyond "fill in the blanks", the assignments are really challenging and have a lot of depth.

   Compared to 5-10 years ago the trend is unfortunately definitely downwards though. A lot of great courses are archived and far fewer are being added than there were in the past.

   [1] https://ppc.cs.aalto.fi/

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