I Think I am required to put here all my esolangs so...
FFRISC - An 8-bit RISC architecture.
Sophie - An FSA Tarpit desgined to be computationally equivalent to a Finite State Machine.
StegFuck - I didn't know Steg was a synonym for Gander. This is a Brainfuck derivative who's programs look like standard png images.
Truthlang - Not a Truth Machine,
Another Finite State Brainfuck - A better FSA tarpit.
Koopas are Involved - A language that looks like a programming language but can't do anything interesting.
https://github.com/oshaboy/cfunge - A fork of cfunge that can call C library functions.
HQ9+ C Function Interface - A (very limited) C function interface for HQ9+.
https://github.com/oshaboy/Intercal-Language-Support https://marketplace.visualstudio.com/items?itemName=oshaboy.intercal-language-support - VS Code Extension for Intercal syntax highlighting.