There are lots of open source tools for these niches. For sentiment analysis, I'd recommend: http://nlp.stanford.edu/sentiment/code.html http://nlp.stanford.ed

There are lots of open source tools for these niches. For sentiment analysis, I'd recommend: http://nlp.stanford.edu/sentiment/code.html http://nlp.stanford.edu/sentiment/code.html For web scraping, a popular option is Scrapy: http://scrapy.org/ http://scrapy.org/ And an unknown web scraping option (and shameless plug): https://github.com/MachinePublishers/ScreenSlicer https://github.com/MachinePublishers/ScreenSlicer For browser automation see Phantom JS or Selenium: http://phantomjs.org/ http://phantomjs.org/ http://docs.seleniumhq.org/ http://docs.seleniumhq.org/ For an open source IFTTT-inspired project: https://github.com/cantino/huginn/ https://github.com/cantino/huginn/