LockItNow!
Let your mobile phone lock and unlock your PC. When LockItNow! detects that you are no longer by your PC it locks it, keeping others from accessing it. When you return your PC is automatically unlocked, ready to be used. No user interaction required! ... Do you have a Bluetooth enabled mobile phone and a Bluetooth enabled PC? ... works without Bluetooth as well. ... Are you using the Bluetooth capabilities they provide? ... No Bluetooth phone? ... Up until now, not that many user-friendly and useful Bluetooth applications have been available.
http://www.blueshareware.com/files/lockitnow.zip - 3Mb - Download - Screenshot

Bluetooth Framework X
Bluetooth Framework - unique ActiveX library for work with mobile devices (PDA, cellular telephones). Allows to carry out communication(connection) with the device through: Bluetooth, IrDA, COM port. Is able: to transfer and accept files, to work with file system, to send and accept SMS, to... Supports Native Windows and Native BlueSoleil Bluetooth Stacks. ... Gives you the full control above the device. ... to work with the PhoneBook.
http://www.btframework.com/files/demo/bfxfree.zip - 418Kb - Download - Screenshot

Bluetooth Framework Developer
Bluetooth Framework - unique library of components Delphi for work with mobile devices (PDA, cellular telephones). Allows to carry out communication(connection) with the device through: Bluetooth, IrDA, COM port. Is able: to transfer and accept files, to work with file system, to send and accept... Supports Native Windows and Native BlueSoleil Bluetooth Stacks. ... Gives you the full control above the device. ... to work with the PhoneBook.
http://www.btframework.com/files/demo/bffree.zip - 939Kb - Download - Screenshot

Bluetooth Framework Personal
Bluetooth Framework - unique library of components Delphi for work with mobile devices (PDA, cellular telephones). Allows to carry out communication(connection) with the device through: Bluetooth, IrDA, COM port. Is able: to transfer and accept files, to work with file system, to send and accept... Supports Native Windows and Native BlueSoleil Bluetooth Stacks. ... Gives you the full control above the device. ... to work with the PhoneBook.
http://www.btframework.com/files/demo/bffree.zip - 939Kb - Download - Screenshot

Bluetooth PC Dialer
Today there do not exist any efficient way of making a phone call to a number not stored in the mobile phone. Bluetooth PC Dialer has been developed to solve this issue. With Bluetooth PC Dialer a phone call is never more then one click away independent of where the number is located. ... With Bluetooth PC Dialer you have the following call options: - Copy a number to clipboard (Ctrl-C) and press the call short key combination (Ctrl-Shift-D) - Call any number from the Bluetooth PC Dialer application - In Outlook call from a highlighted email - Bluetooth PC Dialer will find the Contact...
http://www.blueshareware.com/files/bluetoothpcdialer.zip - 2Mb - Download - Screenshot

BlueSender
BlueSender is an application, which allows you to transfer files from a computer equipped with a Bluetooth adapter to all Bluetooth devices such as telephones, PDAs and others in a range. BlueSender is a convenient and easy-to-use program that has many features including the support of...
http://www.bluesender.com/downloads/bluesendersetup.msi - 1Mb - Download - Screenshot

Bluetooth Remote Control
Bluetooth Remote Control turns your Bluetooth enabled mobile phone into a universal controller for Window. See your Power Point slides directly in the phone, browse/play the songs in ITune, WIinAM and Media player and much more... Bluetooth Remote Control is a true universal remote control that... Customize simple keymaps or for full control over the UI write your own Java and VB scripts.
http://www.blueshareware.com/files/bluetoothremotecontrol.zip - 1Kb - Download - Screenshot

Bluetooth File Sender
Bluetooth File Sender - application for sending files into mobile devices. Features: No authentication required; Can send more then one file at same time; Freandly interface; Installation does not required; Can send files over Bluetooth and IrDA.
http://www.btframework.com/files/demo/bffslite.zip - 411Kb - Download - Screenshot

Bluevertise
Windows based bluetooth proximity marketing tool that allows you to automatically send files to users within 100m to there mobile phone via bluetooth for free.
http://www.bluevertise.co.uk/download/bluevertise trial version.zip - 411Kb - Download - Screenshot

MagicBeamer
Communicate with any Bluetooth-enabled mobile phone through your PC. Send games, movies, MP3s, text files and programs to mobile phones in your Bluetooth-range (up to 330ft). Location-based mobile marketing for any business who wishes to send information to potential customers.
http://www.blueblitz.com/MagicBeamer.exe - 5Mb - Download - Screenshot