The easiest way to get these is via the Homebrew tap, as the install will take care of any eventual dependencies that are not already available on your system.

Extract app bundle icon as png

Show analytics information for casks in the main taps

Quickly repair outdated/broken Casks from homebrew-cask

Accept GitHub pull requests via the review button API

Merge GitHub pull requests via the merge button API

Make animated gifs from a video file

Calculate and present total running time of media files in a human-readable way

Change label color of files in macOS

Facilitate installing Linux on a USB stick, from macOS

Losslessly compress files

Get color palette from colourlovers and format it to use in processing

Spoof the MAC address

Make an icns file from a png

Download Magic: The Gathering wallpapers

Ask for gas delivery from drogaria Ponto Azul

Backup all bookmarks in your pinboard account

Check the status code of links saved in your pinboard account

Substitute URLs of pinboard bookmarks

Add to the wayback machine links saved in your pinboard account

Extract pkg files in a logical hierarchy

Generate a podcast RSS feed for audiobooks

Overlay a progress bar on videos or gifs

Convert a video or audio file to an iPhone ringtone

Download videos from RTP Play

Rename files in a numerical sequence

Get a strong password by leveraging multiple sources

Upload paths, with support for several file hosts

The Unlicense (Public Domain, essentially)