Best Free BitTorrent Client [1]
Introduction
Bittorrent has become one of the major download formats. With good reason too: it's fast, equitable and efficient. For the downloader, bittorrent offers an uncorrupted copy of the original with the option to stop the download at any time and re-start from where the download left off, very useful for those on shaky internet connections.
If you haven't yet installed a Bittorrent client on your PC, you should as there are some great freeware clients available. In Bittorrent, the best clients are free. In fact, if a client costs money, it is most likely a scam. If you are not familiar with bittorrent, then read How To Use Torrents [3] before continuing this article.
All seven bittorrent clients listed here performed excellently on all test torrents and any one of them will meet your needs as a bittorrent client. Rating of the clients was based on their speed and performance, while their features and support facilities were major considerations. A clean installation (without toolbars or ads) was a plus. See also Testing and Ranking at the end of this page.
Rated Products

Platforms/Download: Linux [6] | Windows (Desktop) [6] | [7]
Version reviewed: n/a
Gizmos Freeware [8]
| Our Rating: 4.5/5 |
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Read more... [5]
Platforms/Download: Linux [11] | Mac OS [11] | Windows (Desktop) [11] | [12]
Version reviewed: n/a
Gizmos Freeware [8]
| Our Rating: 4.5/5 |
Read more... [10]
Platforms/Download: [field_blackberry_download] | Linux [15] | Mac OS [15] | Windows (Desktop) [15] | [7]
Version reviewed: n/a
Gizmos Freeware [8]
| Our Rating: 4/5 |
Read more... [14]
Platforms/Download: [field_blackberry_download] | Mac OS [18] | Windows (Desktop) [18] | [7]
Version reviewed: 7.8.1
Gizmos Freeware [8]
| Our Rating: 4/5 |
Read more... [17]
Platforms/Download: [field_blackberry_download] | Linux [21] | Mac OS [21] | Windows (Desktop) [21] | [12]
Version reviewed: n/a
Gizmos Freeware [8]
| Our Rating: 4/5 |
Read more... [20]
[22]
Transmission-QT (Windows) [22] [23]
A basic bittorrent client that runs fast with a simple interface
Platforms/Download: Windows (Desktop) [24] | [12]
Version reviewed: n/a
Gizmos Freeware [8]
| Our Rating: 3.5/5 |
Read more... [23]
Platforms/Download: Windows (Desktop) [27] | [12]
Version reviewed: 0.3.4
Gizmos Freeware [8]
| Our Rating: 3.5/5 |
Read more... [26]
Related Products and Links
There are setup guides here at Gizmo's Freeware for each of the suggested free bittorrent clients. Links to the guides are provided in each review.
Testing and Ranking
Testing
The testing of the bittorrent clients was conducted in the two weeks before February 8, 2013 and used the latest versions of the clients at that time.
Anyone with knowledge of bittorrent knows that it is nearly impossible to have a testing procedure that is foolproof in measuring small differentials in speed among bittorrent clients. This is due to the fact that your download speed depends on the upload of other active users and there is no control over their actions while testing. However, I have been testing clients for this category for several years and am convinced that the better clients can be separated from the others.
There were 7 rounds of testing to boil down the 17 clients tested to the 7 in the review. Six torrents and three magnet links were used in this part of the testing. I then conducted several tests in two rounds of testing to determine the Top Pick. I did post pdf copies of my notes for each round of testing: Bittorrent Testing 2013 Notes [28].
All of the clients listed in the review had excellent performance on all of the testing, so all are superior bittorrent clients. The speed performance on the testing was a factor. Even though the speed differences were small, some consistently performed slightly better. Features and support were also factors. CPU and RAM mattered in that a client without many features that had high CPU or RAM use would fall to one with low CPU/RAM use. Toolbars and addons in the installation process were a slight factor.
Testing was performed on Windows 7 64bit.
Ranking
All of these clients have the basic bittorrent features like DHT, PEX, encryption and UPnP.
All seven of the bittorrent clients listed here performed excellently on all test torrents. Speed and performance was a factor, but features and support facilities were major considerations. A clean installation (without toolbars or ads) was a plus.
Most people just want a client to download torrents, but there are some features that a number of users like to use, such as a built in IP Filter, use of RSS feeds, proxy support, a scheduler and a web interface.
I will make note of those that have installs or other changes to your system that are not necessary for the proper function of the bittorrent client. I strongly suggest that if you choose a bittorrent client that has these unnecessary add ons, to not accept those changes or add ons. I have put up guides to help with the installation of the three clients that have these unnecessary steps in the installation process.
About Me
I am not a technical expert, but I have been using bittorrent since 2003. Before coming to Gizmo's I was the Administrator at a general bittorrent forum site, giving assistance on a variety of clients, and a moderator at the Vuze fora. I still view a number of bittorrent fora and the fora of the various bittorrent clients. This gives me a good idea of what the average user is looking for in a bittorrent client.
Editor
This software category is in need of an editor. If you would like to give something back to the freeware community by taking it over, check out this page [29] for more details. You can then contact us from that page or by clicking here [30].
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