cFosSpeed is now in new hands. Atlas Tech Solutions now owns, develops, and sells new versions of it
New! By the makers of cFosSpeed: The cFos EVSE

Download - cFosSpeed - Version 13.00 New

cFosSpeed image

Faster Internet access with Traffic Shaping
cFosSpeed increases your throughput and reduces your Ping.
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  • Keep your internet fast during heavy upload/download
  • Improve your Ping for online games
  • Reduce audio/video streaming problems

cFosSpeed is in new hands!

Atlas Tech Solutions has released a new version: cFosSpeed v13.0, which includes several important bug fixes. Download and enjoy!

Atlas Tech Solutions now owns, develops, and sells cFosSpeed.
All existing user licenses will remain valid.

Download - cFos Personal Net - Version 5.02

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

Download - cFos Outlook DAV - Version 1.96

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.

Download - cFos - Version 8.00

cFos image

Dial-in Driver for ISDN - also for modem software
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cFosSpeed for other operating systems

cFosSpeed 12.51 for Windows 8.1/8/7 (cfosspeed-win7-win8-v1251.exe, 5,7 mB)
cFosSpeed 10.10 for Windows XP/Vista + Server 2003 & 2008/XP (cfosspeed-xp-vista-v1010.exe, 5,5 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 (, 555K)
cFos/2 3.82 for OS/2 (, 380K)
cFos/DOS 3.82 for DOS (, 530K)

Free tools and services Freeware

cFosICS - manage Windows Internet Connection Sharing

cFos Notifier - Stay informed about new Mails, Tweets and RSS Feeds
cFos Notifier

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

cFosSpeed Webserver API

Get Traffic Shaping statistics, create your own configuration dialogs or status info apps.
Learn more

Skins 1 for cFosSpeed only, 2 for cFos only

cFos Skin Classic 2The classic cFos Skin
Skin for Windows XP Luna 2Skin for Windows XP Luna
cFos C64 2C64-styled "cFos skin" (by Markus Welz)
Shinnher's Skin 1+2Liquid Crystal Skin modified by Shinnher
Shinnher's Skin (black) 1+2Shinnher's Skin with black background modified by Scott
Shinnher's Skin (grey)1+2Shinnher's Skin with grey background modified by Scott
Shinnher's Skin (transparent)1+2Shinnher's Skin with transparent background modified by Scott
Shinnher's Skin (customizable)1+2Shinnher's Skin with customizable background color (Instructions in file net.ini)
Liquid Crystal blue1+2Liquid Crystal skin, blue display (by Toxic)
Slim LC1+2Slim horizontal Liquid Crystal Skin (by offchu)
Slim LC History1+2Slim horizontal Liquid Crystal History Skin (by offchu)
cFos Text Skin2cFos Text Skin, for those who miss the old cFos windows.
(Hint: installation to 'modern'-directory only)
cFos Monitor Text Skin2cFos Monitor-Text-Skin (by Maik Reiss / Hoeft and Wessel)
cFos Monitor Text Skin 5.252cFos Monitor-Text-Skin (for cFos versions >= 5.25)
MTiN's Skin1+2Minimal Skin (by MTiN)
Grant's Skin1+2Icon Skin (by Grant Brunton)
Rx/Tx Skin (+ Icon)1+2Send/Receive Skin and Icon Skin (by Ilya Dedinsky)
Froghut Title Bar Skin1Froghut Title Bar Skin (by Björn v. d. Osten)
TGA SkinscFos(Speed) skin archive with TGA files - for older versions of our programs
Traffic Analysis Icon W7Modified Traffic Analysis Skin with background image by Msinanucler
Safak's SkinShinnher's Skin modified by Safak Falakaoglu
Dean's Metro SkinMetro 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 cFosPersonal Net, cFos IPv6 Link, cFos Broadband Connect and cFos Professional.
Download the most recent beta version of cFosSpeed from ATLAS Tech Solutions.

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!