Menlo: Pretty monospaced font which is built-in on MacOS.
Input: Elegant and free monospaced font. I love the narrow version, i.e., Input Mono Narrow!
Pragmata Pro™: Slim monospaced font with a rich character set and perfect for terminal. More narrow!
3. Softwares
3.1. Desktop
3.1.1. Cross-platform
Emacs: A highly extensible text editor.
Vim: The best text editor in terminal.
zsh: A full-featured Unix shell.
tmux: A great terminal multiplexer.
ripgrep: rg > ag > ack > grep
mutt: A full-featured CLI mail client.
htop: Beautiful modern top command.
ncdu: A disk usage analyzer with an ncurses interface.
pandoc: Very useful for file format conversion.
youtube-dl: Very powerful video downloader with support for a variety of video sites.
3.1.2. macOS
Homebrew
Alfred
Dropbox
Karabiner-Elements
Hammperspoon
AppCleaner
OmniGraffle
IINA Movist
Dash
2Do
Clearview
OpenEmu
3.1.3. ArchLinux
pikaur: pacman wrapper and aur helper
xorg: x server
dhcpcd: dhcp
openssh: remote login by ssh
rsync: a file transfer program
i3-wm, i3status, i3lock: tilling window manager
rxvt-unicode: terminal emulator
xcape: keys modifier
fcitx: input method engine
zathura, zathura-pdf-poppler: document reader
feh: image viewer
scrot: screenshot tool
mpv: video player
cmus: ncurses-based music player
ntp: ntp reference implementation
dunst: notification daemon
ydcv: youdao console version
3.1.4. Windows
potplayer: A full-featured video player.
7-zip: A free file archiver.
Notepad++: A free text editor which has a minimal portable version.
Rime: Free and open source Chinese input method.
Sumatra PDF: A free PDF and eBook reader.
3.2. Mobile
3.2.1. Android
Instapaper
3.2.2. iOS
Instapaper: A great read it later service.
Reeder: with newsblur.com
Dropbox: A well-known and reliable online storage service.
surge: A must-have app for smart proxy. Also, it can be used for blocking ads.
Google Photos: It features in unlimited storage.
Money by Jumsoft: A fully functional financial app.
1Password: A famous password management app. I only buy its iOS app and feels enough. Besides, I only store top secrets in 1Password and use Keychain Access for daily use.
nPlayer: The best media player for iOS. (Now on Android too)
Tweetbot: An elegant Twitter client.
Noisio: A clean white noise app.
Aurora Dictionary: A minimal but functional dictionary.
Podcast by Apple: Functional enough.
4. Programming Packages
4.1. Python
Computational science
numpy: Array processing for numbers, strings, records, and objects.
pandas: Powerful data structures for data analysis.
matplotlib: Python plotting package.
scipy: Scientific Library for Python.
scikit-learn: Machine learning toolkit.
Editor Support
python-language-server: Support for Language Server Protocol (LSP).