GTFOBins is a curated list of Unix binaries that can be used to bypass local security restrictions in misconfigured systems.
Can pull passwords and other stuff out of swap
GitHub - redcode-labs/Bashark: Bash post exploitation toolkit
Need to try this. Looks like it adds persistence, etc. through Bash aliases, among other things
https://github.com/ariary/cfuzz
The same thing as wfuzz
but for command line fuzzing.
https://github.com/kris-nova/xpid
It's nmap
but for pids.