Similar to HarmonyOS

• 

  Inferno (オペレーティングシステム)

  Inferno (operating system)
  
• 

  QNX

  QNX
  
• 

  IPadOS

  IPadOS
  
• 

  Android (オペレーティングシステム)

  Android (operating system)
  
• 

  AOKP

  AOKP
  
• 

  Apache Mynewt

  Apache Mynewt
  
• 

  BlackBerry 10

  BlackBerry 10
  
• 

  BlackBerry OS

  BlackBerry OS
  
• 

  BlackBerry Tablet OS

  BlackBerry Tablet OS
  
• 

  ChorusOS

  ChorusOS
  
• 

  ECos

  ECos
  
• 

  FreeRTOS

  FreeRTOS
  
• 

  Fuchsia (オペレーティングシステム)

  Fuchsia (operating system)
  
• 

  Garnet OS

  Palm OS
  
• 

  LineageOS

  LineageOS
  
• 

  Magic Cap

  Magic Cap
  
• 

  Openmoko Linux

  Openmoko Linux
  
• 

  REX OS

  REX OS
  
• 

  RIOT (オペレーティングシステム)

  RIOT (operating system)
  
• 

  Symbian Foundation

  Symbian Foundation
  
• 

  Symbian OS

  Symbian
  
• 

  Windows Phone

  Windows Phone
  
• 

  Xiaomi HyperOS

  Xiaomi HyperOS
  
• 

  Zephyr (オペレーティングシステム)

  Zephyr (operating system)
  
• 

  IOS

  IOS
  ▼-2 trends

  
• 

  ColorOS

  ColorOS
  
• 

  Sailfish OS

  Sailfish OS
  
• 

  Plan 9 from Bell Labs

  Plan 9 from Bell Labs