syzkaller alternatives

Wapiti is typically used to audit web applications.

Wfuzz is a fuzzing tool written in Python. Tools like Wfuzz are typically used to test web applications and how they handle both expected as unexpected input.

Boofuzz is a framework written in Python that allows hackers to specify protocol formats and perform fuzzing. It does the heavy lifting of the fuzzing process. It builds on its predecessor Sulley and promises to be much better. Examples include the online documentation, support to extend the tooling, easier installation, and far fewer bugs. It comes with built-in support for serial fuzzing, the ethernet and IP layers, and UDP broadcasts.

0d1n is useful to perform brute-force login attempts for authentication forms. It can discover useful directory names by using a predefined list of paths. With options to use a random proxy per request and load CSRF tokens, it is a tool that can be used in different type of assignments.

DirSearch is a Go implementation of the original dirsearch tool written by Mauro Soria. It is used to discover directories by using common names and guessing (fuzzing).

Kitty is a framework for those who want to do fuzzing unusual targets, like proprietary protocols. Although Kitty itself is not a fuzzing tool, it allows one to build a fuzzing tool.

SFTPfuzzer (Simple FTP Fuzzer) allows the tester fuzz username and password fields in an FTP Server. It is intended to find a buffer overflow vulnerability.