Facebook Groups
A tremendous source for networking are topical Facebook groups. I search keywords and find groups that match the content I am looking for. The image above is from the Instructional Designers in Education group, with nearly 6,000 members, this group has daily posts of insights, best practices, link to sources, and is a great place to ask questions and receive advice from others in the field and their collective experiences.
eLearning Brothers
A global leader in eLearning resources such as templates, custom design, assets, webinars, blogs, and support.
Articulate E-Learning Heroes
Although more specifically directed towards Articulate products, they offer articles with elearning tips as well as support and basic template freebies for Storyline and Powerpoint.
Pinterest
Find/create/contribute to a board with professionals in the field. Others share resources they have found to be useful and you can expand you networking presence.