alternatives to MERLOT (a repository for learning objects)

I was asked for alternative sites to MERLOT ( after I shared my dissatisfaction with MERLOT high prices, e.g., cost for registration.

Here is what I have, pls feel free to add more, Plamen

I looked for somebody to work with me on Sophia when it started in 2012 (since, differently from Merlot, it is a social tool), but there was no interest on campus:




Here is more:

I met him and talked to him in Grand Forks about 10 years ago: