SymPy Gamma is also very interesting. Yes, it's no real competitor to WolframAlpha, but it still has quite a few useful features. http://www.sympygamma.com/inp

SymPy Gamma is also very interesting. Yes, it's no real competitor to WolframAlpha, but it still has quite a few useful features. http://www.sympygamma.com/input/?i=integrate+log%28x^2%29 http://www.sympygamma.com/input/?i=integrate+log%28x^2%29 For instance, as you can see in the link above, it can provide steps for derivatives and integrals. WA has the same feature, but you need to subscribe to actually use it without limits.