Tools :
Mathematical tools , Mechanical hand tools , Computer programming tools , Electronics work tools , Measuring instruments , Containers , Writing instruments , Adhesive tape , Fasteners , Cleaning tools , Filters , Bicycle tools , Gardening tools , Cutting tools , Alchemical apparatus , Balloons , Metalworking hand tools , Ropework , Woodworking machines , Woodworking hand-held power tools
Mechanical hand tools :
Knives , Axes , Food utensils , Woodworking hand tools
Computer programming tools :
Text editors , Web development software , Compilers , Game creation software , Integrated development environments , Documentation generators , Widget toolkits , Memory management software , Development tools , Program testing tools , Java tools
Measuring instruments :
Microscopes , Particle detectors , Clocks , Navigational equipment , Interferometers , Dimensional instruments , Optical devices , Detectors , Warning systems , Sunshine recorders , Thermometers , Metalworking measuring instruments , Pressure gauges , Spectrometers
Cutting tools :
Knives , Axes , Saws , Drilling and threading
Calculators :
Graphing calculators , Mechanical calculators , Programmable calculators , HP Calculators
Text editors :
Word processors , Integrated development environments , Linux text editors , Mac OS text editors , Windows text editors , Text editor features , HTML editors , Collaborative real-time editors , OpenVMS text editors , Emacs
Compilers :
Compiler theory , Parsers , Cross-compilers , Compiling tools
Development tools :
Debuggers , Compiling tools , UML tools , Profilers
Optical devices :
Lasers , Microscopes , Telescopes , Lenses , Optical diodes , Optical filters , Mirrors
Detectors :
Particle detectors , Optical diodes , Image sensors
Word processors :
Mac OS word processors , Linux word processors , Windows word processors
Telescopes :
Radio telescopes , Space telescopes , Gamma-ray telescopes , Gravitational wave telescopes , High energy particle telescopes , X-ray telescopes , Telescope manufacturers , Multiple aperture telescopes , Submillimetre telescopes
Surveillance :
Reconnaissance satellites , Radar networks , Sonar , Infrared imaging
Space telescopes : Hubble Space Telescope , X-ray telescopes , Space science experiments