Mathematics of Reaction Networks is a website and wiki maintained and updated by an international group of researchers working in the field of Reaction Network Theory.
Encyclopaedia of Mathematics Alternatives
Encyclopaedia of Mathematics is described as 'The Encyclopedia of Mathematics wiki is an open access resource designed specifically for the mathematics community. The original articles are from the online Encyclopaedia of Mathematics, published by Kluwer Academic Publishers in 2002' and is an website in the education & reference category. There are more than 10 alternatives to Encyclopaedia of Mathematics, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Android Tablet apps. The best Encyclopaedia of Mathematics alternative is Wikipedia, which is both free and Open Source. Other great sites and apps similar to Encyclopaedia of Mathematics are Khan Academy, Wikiversity, Encyclopædia Britannica and Wikiless.