Here are the best and most helpful newsletters I have found so far.
- My weekly newsletter: Updates on my latest content and sometimes other tech news
- Daily Coding Problem: New coding challenges delivered to your inbox every day
- Dev Tips: Weekly tips about different aspects of development
- freeCodeCamp weekly newsletter: Five or so links of all the best programming articles and content every week (Sign up for an account on freeCodeCamp.org and mark that you want to receive the newsletter in your settings)
Leave a comment if you have another suggestion for this list.