weerox

mulle.js

new-queue

fiziko

MetaPost library initially written to automate some elements of black and white illustrations for a physics textbook

curl

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

kattis-cli

Kattis online judge command line tool

cryptii

Web app and framework offering modular conversion, encoding and encryption