The Sleuth Kit® (TSK) is a library and collection of command line digital forensics tools that allow you to investigate volume and file system data. The library can be incorporated into larger digital forensics tools and the command line tools can be directly used to find evidence.
LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).
Sigma Rules Engine inside the Linux Kernel using eBPF. Focusing on prevention capabilities
🪓 High-Speed Log Analysis & Forensics Tool - Part of NullSec Toolkit
Jailer is an eBPF-based process jailing system that provides mandatory access control (MAC) for Linux. It tracks processes using BPF task_storage maps and enforces role-based policies on file access, network operations, and process execution.
Zero-overhead eBPF process tracer for Linux malware triage and incident response. Traces syscalls, network, and file events per-process without strace overhead.