1)   Qube Desktop Client 2.0.3
Qube is the third generation desktop client providing instant, browserless access to collated results from traditional search engines. Qube v2 features - RSS Feed Reader, Advanced History Logging, Spell Checker, Dictionary and whole lot more.
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 2)   PTWikiTip 1.0
PTWikiTip is the resident Wikipedia client. The program works in a resident mode but when you meet an unknown word in the text, you simply select it and press Ctrl twice.PTWikiTip will show you yellow tooltip with wiki article from selected word.
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