Take it like a gift
GTFOBins
Unix binaries that can be used to bypass local security restrictions in misconfigured systems.
appmon
Framework for monitoring and tampering system API calls of native macOS, iOS and android apps.
pwndrop
Self-deployable file hosting service allowing to easily upload and share payloads over HTTP and WebD.
BurpSuiteHTTPSmuggler
A Burp Suite extension to bypass WAFs or test their effectiveness using a number of techniques.