Free online courses that are free

r/Iwanttolearn I got a PIP at work and part of the deal is that I have to do an online course to help with my communication skills. I've been looking around for free online courses but all of them require payment, any suggestions? I've been thinking of taking something more related to my job, mostly because I think it will be helpful to grow my skills. PS/ I've been working for almost 9months since I finished Uni