Available on Windows

The 138th most popular system tool on Windows

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cFosSpeed - Internet Acceleration with Traffic Shaping. Ping optimizer + packet prioritization. Maximum Download & Minimum Ping. For DSL, Cable, Modem, ISDN, Mobile, Filesharing (P2P), Online Games, VoIP, Streaming Media and Tuning More features: Free configurable Prioritization - self-calibrating - Layer-7 Analysis - Firewall - automatic router detection - optimal Dial-Up connections - VPN - WLAN - MTU-Optimization - Multi User Features - broadband limits.
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  • CyberRax fanatic

    @ccool

    http://www.cfos.de/beta

    Beta versions tend to be released quite often there.

  • ccool novice

    how to download the newest version 4.53.1549 ?
    at the cfos.de site only have version 4.52.

  • shaian expert

    very speed download

  • MiKa fanatic
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    shapes your traffic and allows simultaneous upload and download... doesnt affect online gaming and works just as it says!

  • Pok3 overlord
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    Strange.. i know it but i dont remember intall this. o.O?

  • JorgeIvan fanatic
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    Its ok...

  • marcelofs fanatic
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    It's pretty good, once you manage to configure it according to your needs. Obviously, a QoS-enabled modem helps a lot too.

  • CyberRax fanatic
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    ...but definitly easier to manage and apply the settings, especially for not so tech-savy users ;)
    The only program on my system that I've honestly bought, and it's been worth every € I gave for it. It's rather unobtrusive, simply sits in the tray and displays up/down speeds and ping times. Skinnable, on XP can set besides protocols also program's priority (through the GUI, if I understand correctly then through the console and/or configuration files program defining works also under older OSs), provides basic firewall functionality.
    As for the main purpose of the program - bandwidth shaping - that seems to work nicely. Surfing ain't notably slower even if I'm downloading and uploading at full speed in the background, the program throttles the speeds if ping value gets too high. While I also limit the speeds in the programs that I use it's mainly to save the resources of my secondary machine, which is slow and much-occupied :P
    All in all quite recommended. The only things I can complain about are minor things, like that newer betas seem to be incompatible with Win2000 or that on my XP machine the speed/ping window is closed by default.

  • sin overlord
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    Can't be better than manual tweaks.

  • Loved novice

    One of Internet speed boost on my system and also other to make more powerful smooth surfing also downloading.

  • serrebi fanatic
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    best program for internet acceleration ever.

  • brigcam novice
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    this software is the only one which really boosts internet performance, thanks to traffic shaping... for example you can enjoy using P2P software without bandwidth limitations AND surfing, playing internet radios, watching streaming videos and so on, all at the same time

  • kesasar newbie
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    This software allows you to set internet traffic priorities
    That is lowring your download traffic when you use VOIP to let you have a clear sound

  • Bardahten expert
    Overall:

    goodests "upload/download horse"

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Website: cfos.de/
Developer: cFos Software GmbH
Version: 5.1.1582
Rating: Features:
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Usage: 1 week, 3 days, 1 hour, 36 minutes and 28 seconds
Usage since: 02 May 2007

Popularity over the last 30 days (?)

cFosSpeed vs.

Rank: #1822