To-Do - Cryptography - hmac_sha256 https://github.com/h5p9sl/hmac_sha256 - ecdh https://github.com/kokke/tiny-ECDH-c - Allocators - Memory pool - Memory stack - Bump - Data formats - UTF-8 - JSON - unival - XML: print; get element by tag name, property; get property - System - Better atomics support - System call, run process - Terminal - Sockets tests - Parsing OpenGL interface - Utils - parse, print - String builder - HTTP 1 client