Here are some suggested TCS+ newsletters, blogs, and other forms of external resources.
- Simons Institute Newsletter [Sample Issue] [Subscribe]
- Theory Matters by SIGACT CATCS
- SIGACT News
- Bulletin of the EATCS
- Theory of Computing Blog Aggregator [RSS Feed]
- TCS Stack Exchange
Contact Ian Ludden (iludden2 [at] illinois [dot] edu) to suggest additions.