Add tinycrypt (Library of cryptographic algorithms provides an implementation for constrained devices of a minimal set of standard cryptography primitives)
* [LibTomCrypt](https://github.com/libtom/libtomcrypt) - 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.
* [Monocypher](https://github.com/LoupVaillant/Monocypher) - Easy to use, easy to deploy, auditable crypto library written in portable C.
* [minicrypt](https://github.com/IanHarvey/minicrypt) - Library of crypto primitives for embedded systems.
* [tinycrypt](https://github.com/intel/tinycrypt) - Library of cryptographic algorithms provides an implementation for constrained devices of a minimal set of standard cryptography primitives.