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).