SVGO

SVG Optimizer is a Nodejs-based tool for optimizing SVG vector graphics files.

cacaview

A library and a program to display JPG, PNG, GIF or BMP images in the terminal using ASCII characters.

feh

“X11 image viewer aimed mostly at console users” (cit.); with no fancy GUI, it is controlled via commandline arguments and configurable key/mouse actions.

korkut

Quick and simple image processing.

cmatrix

Show a scrolling 'Matrix' like screen- (original).

pipes.sh

Shows random pipes that grow across the screen.

underscore-cli

Command-line utility-belt for hacking JSON and Javascript.

ramda-cli

A CLI tool for processing data with functional pipelines.

yaml-cli

A simple CLI for querying and updating YAML files.

jp

Simply parse and drill into JSON on the commandline, with jsonpath and stdin stream support (jq compatible, not a replacement).

fx

Command-line JSON processing tool

vj

Makes JSON human readable.

parse-columns-cli

Parse text columns, like the output of unix commands. Returns JSON that you can manipulate with tools like jq or underscore-cli.

figlet

Creates large text out of ASCII characters.

detect-indent-cli

Detect the indentation of code.

to-double-quotes

Convert matching single-quotes to double-quotes: I 'love' unicorns => I "love" unicorns.

to-single-quotes

Convert matching double-quotes to single-quotes: I "love" unicorns → I 'love' unicorns.

bower-name-cli

Check whether a package name is available on bower.