vim

Website: https://www.vim.org/

Best for: code editing in the terminal

Strengths:

• Extremely configurable
• Keyboard orientated
• Efficient modal editing
• Plugins for all code editing tasks
• Great git integration (fugitive)
• Spell-check built-in by default

An extremely powerful advanced editor, with a steep learning curve. While many users swear by this program, it can be a challenge to get used to modal editing (or to unlearn it when you have).