Download - cFosSpeed - Version 10.50 New!
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
cFosSpeed
What's new in this version
Additional languages for cFosSpeed
Information for ASRock XFast LAN users
cFosSpeed for other operating systems
How Effective is cFosSpeed Traffic Shaping?
Christoph Lüders & Christian Carazo, cFos Software GmbH - October 26, 2018
Download: cfosspeed-traffic-shaping-report.pdf 
Download - cFos Personal Net - Version 5.00 New!
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 New!
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 Broadband Connect - Version 1.06
Dial-Up driver for high bandwidth internet access.
Learn more
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
Download
cFosICS
cFos Notifier - Stay informed about new Mails, Tweets and RSS Feeds
Download
cFos Notifier
What's new in this version
hrPing
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 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
cFos Hall of Fame
We use cookies