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Download - cFosSpeed - Version 10.50 New!

cFosSpeed image

Faster Internet access with Traffic Shaping - now with RWIN Expansion!
cFosSpeed increases your throughput and reduces your Ping.
Learn more

  • Keep your internet fast during heavy upload/download
  • Improve your Ping for online games
  • Reduce audio/video streaming problems

Windows 10/8.1/8/7

What's new in this version
Additional languages for cFosSpeed
Information for ASRock XFast LAN users
cFosSpeed for other operating systems

image of a stop watch

How Effective is cFosSpeed Traffic Shaping?
Christoph Lüders & Christian Carazo, cFos Software GmbH - October 26, 2018
Download: cfosspeed-traffic-shaping-report.pdf Flag symbol for English language

Download - cFos Personal Net - Version 5.00 New!

cFos Personal Net box

Web server for home users and professionals
Host your files and synchronize your data
Learn more

  • Instant web hosting on your PC
  • Build your own personal cloud
  • WebDAV, CalDAV and CardDAV support
  • UPnP Media Server

Windows 10/8.1/8/7

What's new in this version

Download cFos Personal Net (portable)
Download cFos WMI Monitor Add-on
What is the cFos WMI Monitor?

Download - cFos Outlook DAV - Version 1.95 New!

cFos Outlook DAV

Cloud synchronisation of your Outlook calendar, tasks and contacts (for Outlook 2013 and 2016)
Learn more

cFos Outlook DAV is an Outlook Add-in to connect to calendar and contact folders on a CalDAV/CardDAV server in the cloud.

Windows 10/8.1/8/7

What's new in this version
cFos Outlook DAV - Product page

Download - cFos IPv6 Link - Version 2.52

cFos IPv6 Link

IPv6 Connectivity for XP, Vista and Windows 7
Learn more

Windows 8.1/8/7/Vista/XP + Server 2003 & 2008

What's new in this version

Download - cFos Broadband Connect - Version 1.06

cFosBC image

Dial-Up driver for high bandwidth internet access.
Learn more

Windows 8.1/8/7/Vista/XP + Server 2003 & 2008

What's new in this version

Download - cFos - Version 8.00

cFos image

Dial-in Driver for ISDN - also for modem software
Learn more

Windows 8.1/8/7/Vista/XP + Server 2003 & 2008

What's new in this version

cFosSpeed for other operating systems

cFosSpeed 10.10 for Windows XP/Vista + Server 2003 & 2008 (cfosspeed-xp-vista-v1010, 3,1 mb)
cFosSpeed 5.10 for Windows 2000 (cfosspeed-win2000-v510.exe, 3,1 mb)

cFos for other operating systems

ISDN and ATM Dial-in driver with Traffic Shaping - also for modem software

cFos/Win 7.21 for Windows 95/98/Me (cfos-win9x-me-v721-build3039.exe, 2,9 mb)
cFos/NT 7.21 for Windows NT 4.0 (cfos-nt4-v721-build3039.exe, 3,2 mb)
cFos/Win 3.82 for Windows 3.x (cfos-win3x-v382c.zip, 555K)
cFos/2 3.82 for OS/2 (cf2_382.zip, 380K)
cFos/DOS 3.82 for DOS (cfos382.zip, 530K)

Free tools and services freeware

cFosICS - manage Windows Internet Connection Sharing - New version 1.00!

cFos Notifier - Stay informed about new Mails, Tweets and RSS Feeds - New version 2.52!

What's new in this version

High-precision ping utility with advanced functionality and improved statistics

cFos Speed Test
Test the speed of your Internet connection

Skins 1 for cFosSpeed only, 2 for cFos only

cFos Skin Classic 2 The classic cFos Skin
Skin for Windows XP Luna 2 Skin for Windows XP Luna
cFos C64 2 C64-styled 'cFos skin' (by Markus Welz)
Shinnher's Skin 1+2 Liquid Crystal Skin modified by Shinnher
Shinnher's Skin (black) 1+2 Shinnher's Skin with black background modified by Scott
Shinnher's Skin (grey)1+2 Shinnher's Skin with grey background modified by Scott
Shinnher's Skin (transparent)1+2 Shinnher's Skin with transparent background modified by Scott
Liquid Crystal blue1+2 Liquid Crystal skin, blue display (by Toxic)
Slim LC1+2 Slim horizontal Liquid Crystal Skin (by offchu)
Slim LC History1+2 Slim horizontal Liquid Crystal History Skin (by offchu)
cFos Text Skin2 cFos Text Skin, for those who miss the old cFos windows.
(Hint: installation to 'modern'-directory only)
cFos Monitor Text Skin2 cFos Monitor-Text-Skin (by Maik Reiss / Hoeft and Wessel)
cFos Monitor Text Skin 5.252 cFos Monitor-Text-Skin (for cFos versions >= 5.25)
MTiN's Skin1+2 Minimal Skin (by MTiN)
Grant's Skin1+2 Icon Skin (by Grant Brunton)
Rx/Tx Skin (+ Icon)1+2 Send/Receive Skin and Icon Skin (by Ilya Dedinsky)
Froghut Title Bar Skin1 Froghut Title Bar Skin (by Björn v. d. Osten)
TGA Skins cFos(Speed) skin archive with TGA files - for older versions of our programs
Traffic Analysis Icon W7 Modified Traffic Analysis Skin with background image by Msinanucler
Safak's Skin Shinnher's Skin modified by Safak Falakaoglu
Dean's Metro Skin Metro Skin modified for Windows 10 (by Dean)
How to create your own cFos(Speed) skin : Skin Tutorial

cFosSpeed gadget

cFosSpeed gadget for Vista
cFosSpeed sidebar gadget for Windows Vista/7

Note: If you get a "Can't create automation object" error message after installing the gadget, please do the following:
1. Check the version number of cFosSpeed
    (4.24 or higher is mandatory)
2. Reboot your system

cFosSpeed · Other languages

Disclaimer : As a service to you, we have made the following cFos/cFosSpeed localizations available for free download. Since these free expansions have been created by customers for customers, cFos Software GmbH does neither assume liability nor provide technical support for any of them.
For any questions concerning a specific localization, please do contact the author directly. However, should you come across any significant translation errors, omissions or other irregularities (intentional or otherwise), please let us know briefly so we can check up on it.

cFosSpeed languages files: Norway
(translation: Andreas Simonsen)

cFosSpeed languages files: Persia (Farsi)
(translation: Mohammad Salmani)

Hint: You can extract the ZIP-files listed above for example with PKZIP , WinZIP or Info-ZIP

cFos beta versions

Download the most recent beta versions of cFosSpeed, cFos IPv6 Link, cFos Broadband Connect and cFos Professional.

cFos Hall of Fame

cFos logo with laurels
These are our top contributors. They really helped to improve our software or website. Thank you very much!

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