Autojump : autojump is a faster way to navigate your filesystem. It works by maintaining a database of the directories you use the most from the command line.
ncdu : Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote server where you don't have an entire gaphical setup available, but it is a useful tool even on regular desktop systems. Ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like environment with ncurses installed.(ohmu)
cheat: cheat allows you to create and view interactive cheatsheets on the command-line
Homebrew Cask:Homebrew Cask extends Homebrew and brings its elegance, simplicity, and speed to OS X applications and large binaries alike.It only takes 1 line in your shell to reach 2100 Casks maintained by 1000 contributors.
FontForge : Free (libre) font editor for Windows, Mac OS X and GNU+Linux
the-unarchiver : A set of applications for Mac OS X, iOS and other systems that can extract and inspect the contents of archive files in nearly any format.
iterm2 : iTerm2 is a replacement for Terminal and the successor to iTerm. It works on Macs with OS 10.5 (Leopard) or newer. iTerm2 brings the terminal into the modern age with features you never knew you always wanted.
syncthing : Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted over the Internet.
BitTorrent Sync : Fast, simple, and secure file syncing for IT and individuals.
OpenEmu : OpenEmu is modular, and thanks to the work of other great open source projects, it can emulate a wide variety of video game systems (we call them 'cores'). Currently, the following open source emulation projects are used to power OpenEmu:
mpv : a free, open source, and cross-platform media player
gitx : GitX-dev is a fork (variant) of GitX, a long-defunct GUI for the git version-control system. It has been maintained and enhanced with productivity and friendliness oriented changes, with effort focused on making a first-class, maintainable tool for today's active developers.
Zeal : Zeal is an offline documentation browser inspired by Dash, available for Linux and Windows.
Dash : Dash gives your Mac instant offline access to 150+ API documentation sets.
iTerms : iTerm2 is a replacement for Terminal and the successor to iTerm. It works on Macs with OS 10.5 (Leopard) or newer. iTerm2 brings the terminal into the modern age with features you never knew you always wanted.
iTerm2 Material Design : A color scheme for iTerm2 based on Google's Material Design Color Palette
Dracula Theme : A dark theme for Atom, Alfred, Emacs, iTerm, Slack, Sublime Text, TextMate, Terminal.app, Vim, Xcode, Zsh.
Window Manager
Hocus Focus : Hocus Focus automatically hides application windows that have been inactive for a certain period of time, leaving only the applications you’re using visible. It’s a great way to keep your screens clutter free and your mind focused on the task at hand.
Monodraw : Monodraw is designed for the Mac from the ground up – everything from the text layout engine to the interface is made to take advantage of OS X. Like all native apps, it just works the way you expect. When you make a mistake, undo is always ready to come to the rescue. Exporting your text art could not get any easier – just copy and paste it into your favourite text editor.
Zoommy : Zoommy helps you find awesome free stock photos for your creative product or inspiration.
TypeCase : TypeCase is a simple Mac utility for previewing and comparing your fonts
Inpaint:Magically Remove Elements From Your Photos!
ImageOptim: a GUI for lossless image optimization tools: PNGOUT, AdvPNG, Pngcrush, OptiPNG, JpegOptim, MozJPEG, jpegtran, and Gifsicle
Mail
Nylas N1 : N1 is an open-source mail client built on the modern web with Electron, React, and Flux. It is designed to be extensible, so it's easy to create new experiences and workflows around email. N1 is built on the Nylas Sync Engine which is also open source free software.