A great way to stay safe online is to use open-source security tools. Since they are free, they are frequently updated more frequently than paid tools. A list of some of the best open-source security tools was provided in this article. Join our weekly newsletter to receive updates on the newest developments in cyber security. The email validator API is a great tool all around. It is trustworthy and simple to use. It also moves quickly and precisely. Anyone who needs to verify email addresses should use it, in my opinion.