Other laser interferometric gravitational wave detectors:

• LIGO
  The US project: 4 km, two detectors.
  
  • LIGO (Hanford)
    
  • LIGO (Livingston)
    
• TAMA
  The Japanese project: 300 m.
  
• VIRGO
  The French-Italian project: 3 km.
  
• AIGO
  The Australian project.
  
• LISA(NASA)
  The space project: 5 million km.
  
  • LISA(ESA)
    

Resonant gravitational wave detectors:

• ALLEGRO
  An US project.
• AURIGA
  An Italian project.
  
• EXPLORER
  An Italian project.
  
• NIOBE
  An Australian project.
  
• MiniGRAIL
  The Dutch sphere.
  
• GRAVITON
  The Brasilian sphere.

Collaborations and other projects:

• GWIC
  The Gravitational Wave International Committee.
  
• IGEC
  The International Gravitational Event Collaboration.
  
• ROG
  The Rome Gravitational Wave Group.
  
• PaNAGIC
  Particle and Nuclear Astrophysics and Gravitation International Committee.
  
• CGWA
  Center for Gravitational Wave Astronomy.