Check out the Big Deal Media website: https://www.bigdealbook.com/
This site offers "trusted resources for educators" with a focus on free education and technology resources for K-12 teachers, schools, and classrooms. The site is chock full of searchable blogs, articles, reviews, links to great sites, webinars and professional development, ebooks, and newsletters delivered directly to your mailbox (you can filter the types of resources you want sent to you).
No matter what you teach, there is plenty of great grab and go stuff for you to choose from.
From the site:
Big Deal Media saves educators hours of research and thousands of dollars while identifying top-quality resources and OERs for schools and classrooms. It is a content-rich collection of trusted print and electronic publications that offer the information and tools K-12 educators need-all vetted through the prism of the curriculum. It consistently delivers wish lists of resources and funding opportunities, and has done so since 1995.
Big Deal Media publications provide timely, relevant, and reliable resources in a rapidly changing educational environment, created with insight and attention to detail by seasoned educational publishing professionals and practicing K-12 educators.