Semanti.ca is described as 'Extracts data from any Web article on any website (news, magazines, blogs) using artificial intelligence, computer vision, and machine learning. No programming needed' and is an website in the development category. There are four alternatives to Semanti.ca , not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Self-Hosted apps. The best Semanti.ca alternative is DiffBot. It's not free, so if you're looking for a free alternative, you could try Dashblock. Other great sites and apps similar to Semanti.ca are Extractor API and Datavist.