|Recon|[masscan](https://github.com/robertdavidgraham/masscan)|TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes. ||[`portscan`](/categorize/tags/portscan.md)|[](/categorize/langs/C.md)|
|Fuzzer|[c-jwt-cracker](https://github.com/brendan-rius/c-jwt-cracker)|JWT brute force cracker written in C ||[`jwt`](/categorize/tags/jwt.md)|[](/categorize/langs/C.md)|
|Fuzzer|[hashcat](https://github.com/hashcat/hashcat/)|World's fastest and most advanced password recovery utility |||[](/categorize/langs/C.md)|
|Scanner|[nmap](https://github.com/nmap/nmap)|Nmap - the Network Mapper. Github mirror of official SVN repository. ||[`portscan`](/categorize/tags/portscan.md)|[](/categorize/langs/C.md)|