I have used Coursera to learn social media marketing. This is a prestigious platform to learn from top universities. You can have unlimited access to all courses with the paid version, and a certificate of completion to enhance your resume and LinkedIn account.
On Alison you are going to find practical short courses entirely for free. One of the best courses I recommend to take here is Excel, from basic to advanced. If you upgrade your plan, you will get a certificate for each course you complete.
If you want to start a profitable career in tech, but don’t know how, Carrerist is the best place! Here you will find programs to learn Manual QA, QA Automation, QA Bundle and Sales Engineering in 9 to 15 weeks! Careerist will also guide in the process of getting a job.