• urxvt (unicode rxvt)
  • extendable via Perl
  • it can be configured to enable tabbing
• mrxvt
• Konsole
• XFCE Terminal
• Terminus (extendable via Javascript; runs inside the browser :)
• Java Terminator
• VTE-based ones
  • Gnome-Terminal
  • ROXTerm
  • evilvte
  • Termit (extendable via Lua)
  • Lilyterm
  • Gnome Terminator
  • Sakura
• MOAR