1.Kngine – http://www.kngine.com/
Is a downloadable search engine which is usually used in a smartphone. This search engine appears to be able to separate the good answers from the many useless and inaccurate ones that are out there
2. Carrot Search Engine – http://search.carrot2.org/stable/search
This search engine can automatically organize small collections of documents into thematic categories
3. 2Lingual – http://www.2lingual.com/
This search engine is similar with google, but what makes this search engine special is that you can find it in two languages all at once.
4. Kiddle – https://www.kiddle.co/
This search engine is a fruitful, search engine that has been made particularly for kids and young learners. As we know that there are lots of negative contents available in the internet and those all are accessible. Thus, we can choose kiddle as the search engine that can be effectively used for young learners.