Below is a running assortment of blogs I follow.
Most are education-focused, but not all are literacy-focused.
ILA BLOG
Hey Mr. Stern (High School ESL)
ReadWriteThink
NCTE INBOX
TeachPaperless
ASCD IN Service
Teaching Channel
Reading Horizons (many Dyslexia resources)
Free Technology for Teachers
TeachThought
Burkis & Yaris: Think Tank for the 21st Century
Literacy Beat
Vocabulogic: Bridging the Verbal Divide
Nerdy Book Club
Freddy Hiebert on TextProject
Other favorite student-focused resources:
Newsela
Commonlit
CNN Student News
The Skimm
ReadWorks
Teaching Tolerance