Maltego is a great tool. But before considering any tool, you should specify and decide for yourself what kind of OSINT want to do or what is the purpose of recon. Because tools and osint procedures differ from area to area. For example, for doxing (people research) one need to use some other set of tools and techniques. Whereas, if your goal of recon is to gather some information about a website and create a pretext for phishing you will use something else