tmux is a terminal multiplexer. It lets you switch easily between several programs in one terminal, detach them (they keep running in the background) and reattach them to a different terminal. tmux

kitty
The fast, feature-rich, GPU based terminal emulator

Fast:

• Offloads rendering to the GPU for lower system load
• Uses threaded rendering for absolutely minimal latency
• Performance tradeoffs can be tuned

Capable:

• Graphics, with images and animations
• Ligatures and emoji, with per glyph font substitution
• Hyperlinks, with configurable actions

Scriptable:

• Control from scripts or the shell
• Extend with kittens using the Python language
• Use startup sessions to specify working environments

Composable:

• Programmble tabs, splits and multiple layouts to manage windows
• Browse the entire history or the output from the last command comfortably in pagers and editors
• Edit or download remote files in an existing SSH session