From the about page:
Vulmon is a vulnerability search engine. Vulmon conducts full text search in its database therefore you can search everything related with vulnerabilities. It includes cve id, vulnerability types, vendors, products, exploits, operating systems and anything related with vulnerabilities.
Vulmon aims to be both simple and advanced tool for cyber security researchers. Researchers can search everything with its simple interface and get detailed information about vulnerability and related exploits.
Offer recent vulnerabilities, discussion, trends.
Consult while you are waiting for radare2 complete its daily re-build (recommended by Megabeets).
Enjoy!
I first saw this in a tweet by Catalin Cimpanu.