SelfControl vs SQLZOO
A side-by-side look at SelfControl and SQLZOO. For an in-depth review of either product, follow the links below.
SelfControl
Productivity
SelfControl is a free Mac app that helps you avoid distracting websites by blocking access to them for a set period of time. It can help you stay focused and productive when you need to get work done.
website-blockerproductivityfocusself-control
SQLZOO
Education & Reference
SQLZOO is a free online resource that helps users learn SQL concepts through interactive tutorials and exercises. It covers SQL syntax for a variety of database management systems.
sqldatabasetutorialsexercises
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