A terminal multiplexer that splits stdout and stderr into separate panes for debugging TUI apps.

go install github.com/kungfusheep/suplex@latest

suplex <command> [args...]

Flags:

• -h horizontal split (top/bottom), default is vertical (left/right)
• -f start in fullscreen mode (stdout only)
• -i interactive mode for shells (stderr through PTY)

• Ctrl+B enter meta mode
• +/- resize panes (meta mode)
• o toggle orientation (meta mode)
• f toggle fullscreen (meta mode)
• q quit (meta mode)
• Esc exit meta mode