| http://www.w3.org/ns/prov#value | - IDE for Extension development</li> <li><a class="external" href="http://hyperstruct.net/projects/mozrepl">MozRepl</a> - Connect to Firefox and other Mozilla apps, explore and modify them from the inside, while they're running</li> <li><a href="/en/JavaScript_shells" title="en/JavaScript_shells">JavaScript Shells</a&g
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