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Desktop Software



    

Download Clients    

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Download Clients



Sep
27

 

 

 

download clients

download clients

 

Download Clients

 

There is a need for download clients all over the world

Everybody need(s) download clients to safely and effectively get downloads from the network ( OR Internet

There is a category of download clients for direct downloads from
http:// and ftp:// location.
Another one is for torrent download

 

The clients are as follows:

 

Http, ftp clients

These are the client software that can be used to connect to and download from http / ftp web locations for files.

You can use them to download files from http and/or ftp web location.

Some of these features are embedded into modern web browsers like Internet Explorer and Google Chrome but however these are some advanced software with special features to enhance the download experience.

Features like multi-part download and the ability to pause / resume the download are remarkable.

 

 

The Best of all Download clients and free one:

Download Accelerator Plus

The Fastest possible download experience, the richest
set of downloading tools and the easiest to use.

Download Accelerator Plus (DAP) is the world's most popular download acceleration application. After installation, DAP fully integrates with your web browser and accelerates your downloads by up to 400%. Beyond Speeding up your Internet experience, DAP comes with other cool features including the ability to accelerate files downloaded via FTP, HTTP and HTTPS protocols, pause and resume downloads, and even recover from dropped Internet connections. DAP is compatible with ANY Internet connection (dial-up, cable, DSL/ADSL, T1, etc.) and gives users maximum performance from available bandwidth. DAP's been installed more than 285 million times all over the world. It's Fast and FREE!

Name:    DAP (Download Accelerator Plus) Version: 8.7

Website: http://www.speedbit.com/

Get the Download Link here : Download DAP v8.7 here

 

 

 

Torrent clients

Torrent clients are those piece of software that run torrent clients on the local desktop PC . They scan the trackers for seeds and peers and then download and then later host the same download to facilitate the download of the same content for other peers to get the download.

Description

The BitTorrent protocol can be used to reduce the server and network impact of distributing large files. Rather than downloading a file from a single source server, the BitTorrent protocol allows users to join a "swarm" of hosts to download and upload from each other simultaneously. The protocol is an alternative to the older single source, multiple mirror sources technique for distributing data, and can work over networks with lower bandwidth so many small computers, like mobile phones, are able to efficiently distribute files to many recipients.

A user who wants to upload a file first creates a small torrent descriptor file that they distribute by conventional means (web, email, etc.). They then make the file itself available through a BitTorrent node acting as a seed. Those with the torrent descriptor file can give it to their own BitTorrent nodes which, acting as peers or leechers, download it by connecting to the seed and/or other peers.

The file being distributed is divided into segments called pieces. As each peer receives a new piece of the file it becomes a source (of that piece) for other peers, relieving the original seed from having to send that piece to every computer or user wishing a copy. With BitTorrent, the task of distributing the file is shared by those who want it; it is entirely possible for the seed to send only a single copy of the file itself and eventually distribute to an unlimited number of peers.

Each piece is protected by a cryptographic hash contained in the torrent descriptor. This ensures that any modification of the piece can be reliably detected, and thus prevents both accidental and malicious modifications of any of the pieces received at other nodes. If a node starts with an authentic copy of the torrent descriptor, it can verify the authenticity of the entire file it receives.

Pieces are typically downloaded non-sequentially and are rearranged into the correct order by the BitTorrent Client, which monitors which pieces it needs, and which pieces it has and can upload to other peers. Pieces are of the same size throughout a single download (for example a 10 MB file may be transmitted as ten 1 MB Pieces or as forty 256 KB Pieces). Due to the nature of this approach, the download of any file can be halted at any time and be resumed at a later date, without the loss of previously downloaded information, which in turn makes BitTorrent particularly useful in the transfer of larger files. This also enables the client to seek out readily available pieces and download them immediately, rather than halting the download and waiting for the next (and possibly unavailable) piece in line, which typically reduces the overall length of the download.

When a peer completely downloads a file, it becomes an additional seed. This eventual shift from peers to seeders determines the overall "health" of the file (as determined by the number of times a file is available in its complete form).

The distributed nature of BitTorrent can lead to a flood like spreading of a file throughout many peer computer nodes. As more peers join the swarm, the likelihood of a complete successful download by any particular node increases. Relative to traditional Internet distribution schemes, this permits a significant reduction in the original distributor's hardware and bandwidth resource costs.

Distributed downloading protocols in general provide redundancy against system problems, reduces dependence on the original distributor and provides sources for the file which are generally transient and therefore harder to trace by those who would block distribution compared to the situation provided by limiting availability of the file to a fixed host machine (or even several).

One such example of BitTorrent being used to reduce the distribution cost of file transmission is in the BOINC Client-Server system. If a BOINC distributed computing application needs to be updated (or merely sent to a user) it can be done so with little impact on the BOINC Server.

Operation

Animation showing 7 remote computers exchanging data with an 8th (local) computer over a network.
In this animation, the colored bars beneath all of the 7 clients in the animation above represent the file, with each color representing an individual piece of the file. After the initial pieces transfer from the seed (large system at the bottom), the pieces are individually transferred from client to client. The original seeder only needs to send out one copy of the file for all the clients to receive a copy.

A BitTorrent client is any program that implements the BitTorrent protocol. Each client is capable of preparing, requesting, and transmitting any type of computer file over a network, using the protocol. A peer is any computer running an instance of a client.

To share a file or group of files, a peer first creates a small file called a "torrent" (e.g. MyFile.torrent). This file contains metadata about the files to be shared and about thetracker, the computer that coordinates the file distribution. Peers that want to download the file must first obtain a torrent file for it and connect to the specified tracker, which tells them from which other peers to download the pieces of the file.

Though both ultimately transfer files over a network, a BitTorrent download differs from a classic download (as is typical with an HTTP or FTP request, for example) in several fundamental ways:

  • BitTorrent makes many small data requests over different TCP connections to different machines, while classic downloading is typically made via a single TCP connection to a single machine.
  • BitTorrent downloads in a random or in a "rarest-first" approach that ensures high availability, while classic downloads are sequential.

Taken together, these differences allow BitTorrent to achieve much lower cost to the content provider, much higher redundancy, and much greater resistance to abuse or to "flash crowds" than regular server software. However, this protection, theoretically, comes at a cost: downloads can take time to rise to full speed because it may take time for enough peer connections to be established, and it may take time for a node to receive sufficient data to become an effective uploader. This contrasts with regular downloads (such as from an HTTP server, for example) that, while more vulnerable to overload and abuse, rise to full speed very quickly and maintain this speed throughout.

In general, BitTorrent's non-contiguous download methods have prevented it from supporting "progressive downloads" or "streaming playback". However,comments made by Bram Cohen in January 2007 suggest that streaming torrent downloads will soon be commonplace and ad supported streaming appears to be the result of those comments. In January 2011 Cohen demonstrated an early version of BitTorrent streaming, saying the feature was projected to be available by summer 2011.

Creating and publishing torrents

The peer distributing a data file treats the file as a number of identically sized pieces, usually with byte sizes of a power of 2, and typically between 32 kB and 16 MB each. The peer creates a hash for each piece, using the SHA-1 hash function, and records it in the torrent file. Pieces with sizes greater than 512 kB will reduce the size of a torrent file for a very large payload, but is claimed to reduce the efficiency of the protocol. When another peer later receives a particular piece, the hash of the piece is compared to the recorded hash to test that the piece is error-free. Peers that provide a complete file are called seeders, and the peer providing the initial copy is called the initial seeder.

The exact information contained in the torrent file depends on the version of the BitTorrent protocol. By convention, the name of a torrent file has the suffix.torrent. Torrent files have an "announce" section, which specifies the URL of the tracker, and an "info" section, containing (suggested) names for the files, their lengths, the piece length used, and a SHA-1 hash code for each piece, all of which are used by clients to verify the integrity of the data they receive.

Torrent files are typically published on websites or elsewhere, and registered with at least one tracker. The tracker maintains lists of the clients currently participating in the torrent. Alternatively, in a trackerless system (decentralized tracking) every peer acts as a tracker. Azureus was the first BitTorrent client to implement such a system through the distributed hash table (DHT) method. An alternative and incompatible DHT system, known as Mainline DHT, was later developed and adopted by the BitTorrent (Mainline), µTorrent, Transmission, rTorrent, KTorrent, BitComet, andDeluge clients.

After the DHT was adopted, a "private" flag -- analogous to the broadcast flag -- was unofficially introduced, telling clients to restrict the use of decentralized tracking regardless of the user's desires. The flag is intentionally placed in the info section of the torrent so that it cannot be disabled or removed without changing the identity of the torrent. The purpose of the flag is to prevent torrents from being shared with clients that do not have access to the tracker. The flag was requested for inclusion in the official specification in August, 2008, but has not been accepted yet. Clients that have ignored the private flag were banned by many trackers, discouraging the practice.

Downloading torrents and sharing files

Users find a torrent of interest, by browsing the web or by other means, download it, and open it with a BitTorrent client. The client connects to the tracker(s) specified in the torrent file, from which it receives a list of peers currently transferring pieces of the file(s) specified in the torrent. The client connects to those peers to obtain the various pieces. If the swarm contains only the initial seeder, the client connects directly to it and begins to request pieces.

Clients incorporate mechanisms to optimize their download and upload rates; for example they download pieces in a random order to increase the opportunity to exchange data, which is only possible if two peers have different pieces of the file.

The effectiveness of this data exchange depends largely on the policies that clients use to determine to whom to send data. Clients may prefer to send data to peers that send data back to them (a tit for tat scheme), which encourages fair trading. But strict policies often result in suboptimal situations, such as when newly joined peers are unable to receive any data because they don't have any pieces yet to trade themselves or when two peers with a good connection between them do not exchange data simply because neither of them takes the initiative. To counter these effects, the official BitTorrent client program uses a mechanism called "optimistic unchoking", whereby the client reserves a portion of its available bandwidth for sending pieces to random peers (not necessarily known good partners, so called preferred peers) in hopes of discovering even better partners and to ensure that newcomers get a chance to join the swarm.

Although swarming scales well to tolerate flash crowds for popular content, it is less useful for unpopular content. Peers arriving after the initial rush might find the content unavailable and need to wait for the arrival of a seed in order to complete their downloads. The seed arrival, in turn, may take long to happen (this is termed the seeder promotion problem). Since maintaining seeds for unpopular content entails high bandwidth and administrative costs, this runs counter to the goals of publishers that value BitTorrent as a cheap alternative to a client-server approach. This occurs on a huge scale; measurements have shown that 38% of all new torrents become unavailable within the first month. A strategy adopted by many publishers which significantly increases availability of unpopular content consists of bundling multiple files in a single swarm. More sophisticated solutions have also been proposed; generally, these use cross-torrent mechanisms through which multiple torrents can cooperate to better share content.

BitTorrent does not offer its users anonymity. It is possible to obtain the IP addresses of all current and possibly previous participants in a swarm from the tracker. This may expose users with insecure systems to attacks. It may also expose users to the risk of being sued, if they are distributing files without permission from the copyright holder(s). However, there are ways to promote anonymity; for example, the OneSwarm project layers privacy-preserving sharing mechanisms on top of the original BitTorrent protocol.

 

 

1.     Best torrent download client:

BitTorrent is a fast and easy client for Windows and Mac with many features.

BitTorrent is a protocol that underpins the practice of peer-to-peer file sharing and is used for distributing large amounts of data over the Internet. BitTorrent is one of the most common protocols for transferring large files and it has been estimated that, collectively, peer-to-peer networks have accounted for approximately 43% to 70% of all Internet traffic (depending on geographical location) as of February 2009.

Programmer Bram Cohen designed the protocol in April 2001 and released the first available version on July 2, 2001. Currently, numerous BitTorrent clients are available for a variety of computing platforms.

As of January 2012, BitTorrent is utilized by 150 million active users (according to BitTorrent, Inc.). Based on this figure, the total number of monthly BitTorrent users can be estimated at more than a quarter of a billion. At any given instant, BitTorrent has, on average, more active users than YouTube and Facebook combined (this refers to the number of active users at any instant and not to the total number of unique users). Research has also shown that, since 2010, more than 200,000 users of the protocol have been sued.

Bit Torrent

 

Name:    Bit torrent Version: 7.6.1

Website: http://www.bittorrent.com/

Get the Download Link here : Download Bit Torrent v 7.6.1 here

 

 

2.     µtorrentGuys never use µtorrent :: it seems that it comes buggy

Official Website: www.utorrent.com/

Get the Download link here: Download µtorrent 

 

3.  Azureus - now called Vuze - Bittorrent ClientAzureus - now called Vuze - Bittorrent Client

Official Website: http://azureus.sourceforge.net/

Get the Download Link here: Download VUZE (earlier it was called Azureus)

 

 

4. Transmission Bittorrent Client Transmission

Mostly being used on the linux platform

Official Website: http://www.transmissionbt.com/

Get the download link here: Download Transmission for various Linux distros

 

 

 

Others categories are as what follows:

 

 

Web Leech Software:

Web Leech software are those that are used to harness the browsers power of actually crawling the website and/or portal and have the same exact soft replica of the web portal / website and create a dump and that too on the personal machine(which is your desktop) - of the website. Thus there by creating a exact replica / soft copy of the website having the same folder like structure having pages and files that are exactly the same as that too n that portal

The purpose being that you can browse the files of that website offline!!

There are some software(s) out of the collection, which are as follows:

1.Black Widow Version 5.21     Name:  Black Widow Version 5.21

BlackWidow scans websites (it's a site ripper). It can download an entire website, or download portions of a site. It is not restricted to downloads, it can build a site structure first, then download later, you select what to download.

BlackWidow can download everything from youtube videos to deviantart pictures and images. It is not restricted to videos and pictures, it can download any and all kind of files.

BlackWidow can use 'Plain text', 'Wildcards' and 'Regular Expressions' to search a document, not just for links, but for anything you need. Plain text it the most basic, wildcards are a little better, but Regular Expressions are the most powerful and flexible ways to scan a document.

Website: http://sbl.net/

Get the download Link here:

Direct Download Black Widow v 5.21 here

Download the Black Widow v5.21 torrent here

 

 

2.     Go! Zilla Version 5.02Name:  Go! Zilla Version 5.02

 

Go!Zilla Download Manager and Accelerator software for Windows. For faster download speeds, download recovery and resuming, and to better manage your downloads, download Go!Zilla today!.

 

Website: http://www.gozilla.com/

Get the download Link here:

Direct download Go!Zilla v 5.02 here

Download Go! Zilla Version 5.02 torrent here

 

3.       LeechFTP 1.3Name: LeechFTP 1.3 also called lftp13 Version 13

Website: http://www.leechftp.org/ , http://www.leechftp.info/ 

Get the Download Link here: Download LeechFTP 1.3 here



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