geeks

Apps here require a trunk of time to catch up so generally not considered capable for common users. But we shall see its value in specific occasions.
There isn't too much to introduce this. I belive most of us have known how powerful it can be in designing:
Adobe Acrobat DC, Adobe After Effects, Adobe Animate, Adobe Audition, Adobe Bridge, Adobe Captivate, Adobe Character Animator, Adobe Dreamweaver, Adobe Edge Code, Adobe Edge Reflow, Adobe Encore, Adobe Fireworks, Adobe Fuse, Adobe Illustrator, Adobe InCopy, Adobe InDesign, Adobe Lightroom, Adobe Muse, Adobe Photoshop, Adobe Prelude, Adobe Premiere, Adobe Scout, Adobe SpeedGrade

Alacritty
Apache 2.0@GitHub: https://github.com/jwilm/alacritty

A cross-platform, GPU-accelerated terminal emulator.

amWiki
MIT@GitHub: https://github.com/TevinLi/amWiki

amWiki is a wiki doc system based on JavaScript, relying on Atom editor and applied with MarkDown tags.

aria2
GPL 2.0@GitHub: https://github.com/aria2/aria2

A lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

Caddy
Apache 2.0@GitHub: https://github.com/mholt/caddy

The HTTP/2 web server with automatic HTTPS

Chocolatey
GPL 3.0@GitHub: https://github.com/chocolatey/chocolatey.org

A package manager for Windows.

cmder
MIT@GitHub: https://github.com/cmderdev/cmder

Portable console emulator for Windows.

ConEmu
BSD@GitHub: https://github.com/Maximus5/ConEmu

Customizable Windows terminal with tabs, splits, quake-style and more.

FFmpeg
LGPL/GPL@ffmpeg.org: https://ffmpeg.org/download.html

A complete, cross-platform solution to record, convert and stream audio and video.

Git
LGPL 2.1@Github: https://github.com/git/git

Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

youtube-dl
The Unlicense@GitHub: https://github.com/rg3/youtube-dl/

A command-line utility to download videos from YouTube.com and other video sites.