Here's some random resources I've found recently that I figured I'd put in one place.
LD_PRELOAD Info - A good primer on LD_PRELOAD exploits and detection
Iczelion's Win32 Assembly Homepage - Very good resource on Windows Assembly and MASM
WOW64Ext - x86 Extender for WOW64
CNIT 127: Exploit Development - Using the Shellcoder's Handbook
Davinci Seal - An implementation of PoC || GTFO Davinci seal
PyExfil - Python Exfiltration Methods
Azeria Labs ARM Tutorial - Very good primer on ARM for exploit development and general debugging.
Nzyme - WiFi Monitoring, Intrusion Detection And Forensics
Picture to C Hex Converter - Convert images to C/C++ arrays. Useful for Arduino screen interfacing
Go: Go by Example - Good primer
Go: Network Programming with Go - One of the best resources on network programming I've ever seen.
JS: NES Disassembler - This is really sweet...