- Miscellaneous
- Definitions
- BionicOpter dragonfly robot, Festo AG & Co. KG, Esslingen am Neckar, Germany
- Dragonfly, smallest flying drones for gaming, research and personal photography/videography use, TechJect Inc., Atlanta, Georgia, USA
- FlyTech Dragonfly, radio-controlled flying dragonfly, WowWee Group Limited, T.S.T. East, Hong Kong
- eMotionButterflies, robotic butterflies, Festo AG & Co. KG, Esslingen am Neckar, Germany
- Helicopter Dragonfly, USA