Selenium
python-forum.io
The official forum for Python programming language
52,318 
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testingbot.com
Cross Browser Selenium Testing Online. Test your website on different browsers and mobile devices.
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jmeter-plugins.org
A custom set of plugins for Apache JMeter, not affiliated with Apache Software Foundation, graphs, load shapers, new functions.
223,347 $ 36,720.00
smart-elements.com
Hochreine Elemente für Sammler und Wissenschaftler
2,257,002 $ 480.00