Alacritty vs Extraterm

Alacritty is an open-source, GPU-accelerated terminal emulator focused on simplicity and performance. It uses OpenGL for rendering, making it one of the fastest terminal emulators available. Alacritty is configured through a YAML file and intentionally omits features like tabs and splits, relying on terminal multiplexers like tmux for those capabilities.

Extraterm Terminal emulator that adds frames around command output for selection, scrolling, and reuse of individual results.