latrace is a glibc 2.4+ LD_AUDIT frontend. It allows you to trace library calls
and get their statistics in a manner similar to the strace utility.

Tinyproxy is a light-weight HTTP/HTTPS proxy daemon for POSIX
operating systems. Designed from the ground up to be fast and yet
small, it is an ideal solution for use cases such as embedded
deployments where a full featured HTTP proxy is required, but the
system resources for a larger proxy are unavailable.

A collection of various tools.

sha3sum contains command line utilities for the Keccak, SHA-3, SHAKE, and
RawSHAKE checksum utilities

A subset of Keccak was specified by NIST as SHA-3 (Secure Hash Algorithm 3).

A free/open-source machine translation platform