The National Deaf Center on Postsecondary Outcomes is an amazing resource for learning about Deaf people, ASL, and  creating access, and promoting a culture of inclusion. The NDC offers a series of courses that provide basic knowledge and tools necessary for communicating effectively with deaf individuals, especially in professional settings. 

Topics covered include:Communicating with Deaf people: Deaf 101, Deaf-centered Practice, Improving Campus Access, and  Effective Communication Access. 

Portland State maintains a really useful website with tips for people who aren't sure how to work with signed language interpreters. 

Crest Core Team have a great Powerpoint about creating accessible  online conferences with a focus on our Deaf and Hard-of-hearing colleagues and students.

University of Washington Accessible Technology has a great tutorial for captioning your own videos (for free) across a variety of platforms

Hear Me Out! [CC] is a place where hearing people can learn how to connect and engage with deaf people better, plus work together to bridge the gap between the hearing and deaf worlds. This link takes you to a presentation about Audism