I just finished self study of Calculus One and I am looking to begin Calculus Two. Is there a free platform that can help me with this?
I suspect there are several. I know edX has some calculus courses, but I’m not sure if any are “Calculus 2” per se.
Khan Academy definitely has Calc 2:
Please see the left-most column (Table of contents) here to get an overview of what Calc I, II, III offer. There are tutorials, worked examples, exercises, and solutions to problems in each sub-topic throughout the Calculus sequence.
For more information about Paul's notes, please see the website: Paul's Online Math Notes.
See also the available courses in calculus at MIT using OpenCourseWare (OCW): assigned text, lectures, assigned exercises, etc.