The online data sources I use in my courses are available on the "Teaching" page.
Conferences or Seminars for Economists who Teach:

• CTREE (AEA's Teaching conference)
• St. Louis Fed Professors Conference
• Liberal Arts Macro Workshop (Research+Teaching, focus on international, finance)
• Liberal Arts Development Workshop (Research+Teaching, focus on Econ Development/Growth)
• Robert Morris University Annual Teaching Economics Conference
• TeachECONference 
• EconTEAching (Seminar series)

Economics Pedagogy Centers

• Centre for Teaching and Learning Economics at University College London

Journals on Economics Education or Pedagogy

• American Economic Association List of Journals

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Networking/Service:

• EconBrew List 
• National Economic Education Delegation (NEED)

Threads:

• "Big Picture" thread on designing exams

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