Similar to OSDN

• 

  SourceForge.net

  SourceForge
  
• 

  Freedesktop.org

  Freedesktop.org
  
• 

  Launchpad (プロジェクト管理システム)

  Launchpad (website)
  
• 

  Ohloh

  Open Hub
  
• 

  GitHub

  GitHub
  ▲2 trends

  
• 

  Google Developers

  Google Developers
  
• 

  Bountysource

  Bountysource
  
• 

  Codeberg

  Codeberg
  
• 

  Gitea

  Gitea
  
• 

  Gpl-violations.org

  Gpl-violations.org
  
• 

  Alliance for Open Media

  Alliance for Open Media
  
• 

  Debian

  Debian
  ▲1 trends

  
• 

  FreedomBox

  FreedomBox
  
• 

  GNUプロジェクト

  GNU Project
  
• 

  Linux Foundation

  Linux Foundation
  
• 

  OpenSUSEプロジェクト

  OpenSUSE Project
  
• 

  OW2 Consortium

  OW2
  
• 

  Software Freedom Conservancy

  Software Freedom Conservancy
  
• 

  Symbian Foundation

  Symbian Foundation
  
• 

  The Document Foundation

  The Document Foundation
  
• 

  X.Org Foundation

  X.Org Foundation
  
• 

  Xiph.Org Foundation

  Xiph.Org Foundation
  
• 

  Apacheソフトウェア財団

  The Apache Software Foundation
  
• 

  コーダー道場

  CoderDojo
  
• 

  Stack Overflow

  Stack Overflow
  
• 

  Mozilla Foundation

  Mozilla Foundation
  
• 

  Open Invention Network

  Open Invention Network
  
• 

  Pretendo Network