Sentiment and Strong Vocabulary Detection Tool
Reads a text sentence by sentence and tells you how it leans, and which words did the leaning.
Import a text, press Run, and the tool reads it one sentence at a time. It reports how the whole text leans, warns you about its most negative and most positive sentences, and lists the strong words that may have triggered the analyzer. Here it is reading a State of the Union address: 345 sentences, mostly positive.