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Theorysonic Messenger was a instant messaging client developed by Theorysonic in 1985. It was one of the early instant messaging services before ICQ and AOL Instant Messenger. The service was discontinued in October 2011. It is now users transitioned to One Messenger.

1985-1986

TSMSG1983

1986-1993

TSMSG1986

1993-1999

1999-2003

2003-2007

2007-2011

VTE Theorysonic
Operating Systems:

TSUG (Other) | PTSUG (Other) | TVTSUG | WTSUG


Hardware:
TheoryCore | TheoryDesk | TheoryDesk Go | TheoryDesk Mini | TheoryDesk Pro | TheoryBook | TheoryBook Go | TheoryBook Compact | TheoryPencil | Portosic (Portosic Classic | Portosic CD | Portosic Digital | Portosic MC | Portosic Mini | Portosic Shuffle | Portosic TV | Portosic Touch) | TheoryFreq | Audvia | Portosic Radio | Portowatch | TheoryPhone | TheoryPhone Mini | TheoryPhone Note | BendyPhone | TheoryTablet | TheoryTablet Mini | TheoryTablet Pro | EyeCam | TheoryWatch | TheoryTron | Nehervia | Nehervia Smart | TheoryCast


Music:
TheoryMusic | Digibeat Electronics | TheorySing | Musicard (Musicard Viewer)


Services:
TheoryPaint | TheoryMovie | TheoryMedia | TheoryShop | TheoryNote | Theorysonic One (OneMail | OneContacts | OneCloud | OnePlanner) | TheoryWallet | TheoryOffice (TheoryOffice 1 Note | TheoryOffice Access | TheoryOffice Document | TheoryOffice Excel | TheoryOffice Exchange | TheoryOffice Lisao | TheoryOffice Presentation | TheoryOffice Project | TheoryOffice Publisher | TheoryOffice Visio | TheoryOffice Outlook)


Gaming:
Theorysonic Studios


Consoles: Tournament (200 | 400 | 650 | 875 | 1100) | Theorysonic Hyper-System | Theorysonic Codear (Theorysonic CD) | Theorysonic 3DO | VR Buddy | Theorysonic Sphere Box | Theorysonic Chaos | Theorysonic Pyramid | Theorysonic Swift


Handhelds: Theorysonic Blue King | Blue King Color | Theorysonic Titan


Other:
Star Web | Red Star | NTML | PortoDrive | TheoryDrive | Reality3D | C-Dev | TheoryClear | TheoryCore | TheoryExpo | AirFresh | Videocard (Videocard MobilePlayer)


Defunct:
Theorynet | LenseNet | TS-DOS | Titanium Video Disc | Theorysonic Application Suite | Theorysonic Communicator | TheoryPDA | TheoryDesk TV | TheoryDesk Lite | TheoryBook Lite


Ts
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