Mashables had an indept list for all to take in all types of classes. I looked through them and choose specific classes Authors should consider taking to enhance technical, social media and marketing skills.
You can see the full list by clicking this link: http://mashable.com/2015/10/13/free-online-classes
Beginner’s Guide to Image Editing in Photoshop, Digital Tutors
This series of step-by-step videos will teach you Photoshop terms and definitions and get you started with using basic tools and techniques. You’ll start off by resizing and resampling images, then move on to correcting the colors of an image and removing unwanted information. You’d be surprised by how much you can learn in 90 minutes!
Duration: 1.5 hours / 10 lessons
Udemy’s introduction course covers the basics so you can get started using Photoshop CC as soon as possible. Want to learn to use the marquee tool in detail, feather a selection, or refine edge command? You’ve come to the right place.
Duration: 2 hours / 23 lessons
In this 40-minute tutorial, Adobe Creative Suite Podcast’s Terry White will show you the basics that’ll help you get started using Adobe Illustrator CS6. Duration: 40 Minutes / 1 Lesson
Online Advertising, OPEN2STUDY
Want to find out more about major digital platforms, social and mobile search, and how online ads are priced and delivered? If so, then OPEN2STUDY’s Online Advertising course is perfect for you. Be prepared to learn how to set realistic and measurable campaign objectives, identify the steps involved in digital campaign planning, and understand the process of selling an online ad program.
Duration: 16 hours / 33 lessons
Social Media 101, Social Media Quickstarter
Email marketing provider Constant Contact created this online tutorial to get you started on building your social media presence across all of the top social networks — from Facebook, Twitter, and LinkedIn to Instagram, Pinterest, and Google+.
Duration: 1.5 hours / 1 Lesson
SEO for SEO Beginners, Udemy
Heard of SEO, but never got the chance to understand what it actually is? This is the course for you. Upon completing the class, you’ll become an expert on the three pillars of powerful SEO, resulting in you knowing how to get to the top of the search results.
Duration: 1 hour / 15 lessons
Getting Started With Email Marketing, Skillshare
In this class, MailChimp’s Allyson Van Houten teaches you how to craft an email marketing strategy that will help you achieve your business goals. Whether you’re a small business owner, a freelancer, or a part of a startup team, you’ll be able to learn from the bite-sized lessons packed with core email marketing concepts, guiding questions, and practical resources.
Duration: 1.5 hours / 14 lessons
Start Writing Fiction, FutureLearn
Intended for anyone with an interest in fiction writing (with no prior experience necessary), this course teaches you how to develop your ideas and reflect on the writing and editing process. You’ll hear other writers talk about their approaches to research and consider different plot strategies.
Duration: 24 hours / 8 lessons
Copyright Made Easy, Udemy
Designed by a licensed attorney, this class gives you a comprehensive introduction to copyright law. At the end of two hours, you’ll understand the benefits that intellectual property brings and learn how to apply copyright law to your content.
Duration: 2 hours / 8 lessons
Like I said you can see the full list at Mashables.com