GTFOBins is a curated list of Unix binaries that can be used to bypass local security restrictions in misconfigured systems

PEASS - Privilege Escalation Awesome Scripts SUITE (with colors)

Scripted Local Linux Enumeration & Privilege Escalation Checks

Dirty Cow exploit - CVE-2016-5195

Linux privilege escalation auditing tool

linuxprivchecker.py -- a Linux Privilege Escalation Check Script