GNU LibreJS vs SQLZOO
A side-by-side look at GNU LibreJS and SQLZOO. For an in-depth review of either product, follow the links below.
GNU LibreJS
Security & Privacy
GNU LibreJS is a free add-on for Firefox and Chromium-based browsers that blocks nonfree nontrivial JavaScript code. It protects users from privacy/security issues and promotes the spread of free software.
privacysecurityjavascriptbrowseraddon
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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