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A comment on Sentiment Analysis on Web-Scraped Data. Parent comment
For sentiment analysis, I'd recommend: http://nlp.stanford.edu/sentiment/code.html
For web scraping, a popular option is Scrapy: http://scrapy.org/
And an unknown web scraping option (and shameless plug): https://github.com/MachinePublishers/ScreenSlicer
For browser automation see Phantom JS or Selenium: http://phantomjs.org/ http://docs.seleniumhq.org/
For an open source IFTTT-inspired project: https://github.com/cantino/huginn/
For sentiment analysis, I'd recommend: http://nlp.stanford.edu/sentiment/code.html
For web scraping, a popular option is Scrapy: http://scrapy.org/
And an unknown web scraping option (and shameless plug): https://github.com/MachinePublishers/ScreenSlicer
For browser automation see Phantom JS or Selenium: http://phantomjs.org/ http://docs.seleniumhq.org/
For an open source IFTTT-inspired project: https://github.com/cantino/huginn/