According to late insights, worldwide, essentially 2.2 billion individuals have some sort of difficulty related to the visual system. The blind people are facing various issues to travel from one place to another, to interact the with the other people in a social event, the blind people may completely fail to understand the emotions of the people with them. The advancement in technology gives various kinds of support for blind people. This manuscript gives a detailed review of various tools and technologies available for assisting blind people. This study deals with the techniques currently under research in this field, the products available in the market which will be useful for blind people, the cost details, and the other advancements in this area. This manuscript will be a useful reference for the researchers who wish to work to design and implement some new products to assist blind people.