Take it like a gift
Cross-site scripting cheat sheet
PortSwigger XSS cheat sheet that contains many vectors that can help you bypass WAFs and filters.
XSSwagger
A simple Swagger-ui scanner that can detect old versions vulnerable to various XSS attacks.
lorsrf
Fast CLI tool to find the parameters that can be used to find SSRF or Out-of-band resource load.
pwndrop
Self-deployable file hosting service allowing to easily upload and share payloads over HTTP and WebD.