Resources for developing and managing social media

General
How to Use Social Media in Your Career and Business, New York Times
This post, by the social media expert Sree Sreenivasan (@sree) covers the waterfront. Your social media manager should also join Sree's Advanced Social Media Group on Facebook. It's a closed group, but he'll let you in. You can keep up with trends and practices through his newsletter archive here. 

Platforms for managing social media
With these dashboards you can schedule posts and manage your message across platforms.
Buffer, Hootesuite,  Tweetdeck

Here is a link to a downloadable social media posting calendar.

Twitter tips and tools
Canva enables you to easily create social graphics. And it's fun. 
Typorama enables you to create nice mobile graphics.
Twiangulate lets you track your followers and messages.

BUT WAIT! THERE'S MORE:
Here's Buffer's Big List of Twitter Tools: 93 Free Twitter Tools and Apps to Fit Any Need 

Instagram tips and tools 
Planoly lets you schedule posts.
Boomerang lets you create short, uploadable videos on your phone
PicCollage features frames, graphics and stickers

Facebook tips and tools
If you're considering a Facebook Live broadcast, here are some resources to help you get started. 
Facebook Live resources from Amherst Wire
These materials were created by the editors of Amherstwire, who created a presentation for the College Media Association Conference.
NPR's Facebook Live guide
Cinamaker is a terrific app that lets you shoot and broadcast livestreams with multiple cameras from a phone or tablet.
Social Media Examiner's Best Apps for Going Live 

Social media policies and practices
Does your office have a social media policy that spells out the rules of the road for your staff? You should. Here are some examples. Here is the Mass.gov social media policy. Here's a collection of municipal social media policies compiled by the Institute for Local Government. And here's a comprehensive database of policies that includes corporations and public entitite.

Here are some guidelines for developing your own policy. Here's a roundup of policies from state legislature and executive branch offices, via the National Conference of State Legislatures.

Here's a directory of state legislature social media sites from around the country. See what other legislatures are doing. Here's an archived webinar on Social Media Policies for State Legislatures sponsored by the NCSL. And here's the PowerPoint that accompanies the presentation.

Social Media Today covers it all.

Social media tutorials
Lynda.com has hundreds of tech tutorials, using online video.

Want to create a Twitter list for your followers around a particular topic? Here's how.

Want to embed your Twitter feed onto your website? Here's how. 

Want to create an animated  GIF using Photoshop? Here's how. 

Want to learn how to use Facebook Live to take questions from constituents? Here's how.  (This is an archived, ticketed webinar, well worth the $19 fee.)

Tech experts worth following 

Kara Swisher's Recode Decode and Pivot  podcasts, along with her column in the New York Times can keep you updated on tech. She's the best tech reporter out there.

Amy Webb's Tech Trends for Journalists is an annual update on tech and media.

Jeremy Caplan, director of education, Tow-Knight Center for Entrepreneurial Journalism at the CUNY Graduate School of Journalism, is an excellent resource on digital media and social media. Here's his slideshow on 50 plus Social Media Tools and Sites: Beyond Facebook and Twitter.