SearchOnMath is described as 'Search engine specialized in formulas and text from several domains with math content, including arXiv, Stack Exchange, Wikipedia, and others' and is an website in the education & reference category. There are 2 alternatives to SearchOnMath, not only websites but also apps for. The best SearchOnMath alternative is Approach Zero, which is both free and Open Source.
“Math-aware” means you can add math expression(s) as some of your keywords to have search engine help you find similar expressions and return those documents/topics that you may find relevant to your query. In short, a typical search engine plus math search.
Uniquation is designed to search for mathematical information on the Internet. To find information about some mathematical object you should enter its representation in TeX format and press ‘Search’.
