raysan5 / raylib

A C library for videogame programming with 2D/3D graphics, input, audio, and windowing across desktop, mobile, web, and embedded platforms.

openssl / openssl

General-purpose toolkit implementing TLS, DTLS, and QUIC protocols on top of a standalone cryptographic library and CLI.

hathach / tinyusb

Cross-platform USB host and device stack in C for embedded systems, with no dynamic allocation and interrupts deferred to task context.

Mbed-TLS / mbedtls

A C library implementing X.509 certificate handling and the TLS and DTLS protocols, with a small footprint for embedded systems.