Here we have resources that we have used or that have come highly recommended by former coaches.
Breakthrough Basketball is one of the richest resources for basketball knowledge for both players and coaches. It also covers every age from youth all the way up to high school or older.
The Coaches Clipboard has pages and pages of information for coaches ranging from drills and skills to focus on in younger divisions, to higher level Xs and Os. It also is a great resource for leadership development and motivation.
Blogs like the Better Basketball Tribe and the PGC Basketball Blog offer great insight into new developments in the game and offer a broader scope than simple Xs and Os. One of our most highly recommended resources. Finally, Basketball HQ is another great site for everything related to the game of basketball. They offer a great selection of free content, as well as some excellent paid options if you feel like getting premium content for a fair cost. Like the rest of our recommended resources, they have a wide range of drills/plans/etc. for anyone looking for grow in their knowledge of coaching the game of basketball.
As always, we encourage you to focus on development of your players rather than wins and losses, and ensure that your players grow in the fundamentals of the sport and as young men and women.