A free C++ BitTorrent/HTTP/FTP Download Client

BitComet is a BitTorrent/HTTP/FTP download management software, which is powerful, fast, very easy-to-use, and completely FREE. It contains many advanced features that can accelerate your downloading up to 5 - 10 times faster, or even more.

A list of the most important features available in BitComet at present time¹⁾ includes:

• full support for the BitTorrent protocol;
• support for multi-tracker torrents;
• support for the DHT Network (trackerless torrents), utf-8 extension, and UDP tracker Protocol v2.
• support for web-seeding(GetRight version);
• support for initial seeding (super-seeding);
• support for the BitTorrent Extension Protocol;²⁾
• support for the “exchange UDP port number for DHT” extension (PORT message); ³⁾
• support for peer exchange (PEX) by using a proprietary BitComet protocol and starting with v.1.19 by also using the BitTorrent Extension Protocol (thus compatible with Mainline BitTorrent, µTorrent, Ktorrent, libtorrent and a lot of other clients which use this extension);
• support for Magnet URIs;
• full support for the "Private Torrents" specifications;
• possibility to save (optionally) the downloaded torrents and access them later, through the Torrent History feature;
• Torrent Exchange: Exchange torrent lists and (on demand) torrents between BitComet peers, while downloading;
• Preview while Downloading: Preview of .mp3, .rmvb, .wmv, etc. files, is possible during downloading process with default assigned player. Starting with v.1.23 by toggling an advanced option the user can enable the preview of any file type. This allows users to preview video inside multi-volume RAR archives without extracting the files first (granted they assigned as default player for BitComet, a player which can play video from inside RAR archives).
• Preview Download Mode is a downloading mode where pieces are downloaded sequentially and the file can already be played while being downloaded (like in video streaming), as long as the download rate and piece availability stays ahead of playing bitrate;
• Align File to Piece Boundary: Option for making torrents which eliminates the “piece overlapping on two files” issue. Fully compatible with older versions;
• Intelligent Connection Optimization: By using the included Network Wizard, the configuration is automatically set to match your connection type;
• Intelligent Disk Cache: Memory cache is used to reduce the frequency of the read/write operations with your hard drive, therefore, increasing its service lifespan;
• option to allocate disk space for a task before starting the download;
• Quick Resume: The torrents may be seeded or resumed immediately, without time-consuming scans;
• Auto Configuration of ICF (Internet Connection Firewall) and ICS (Internet Connection Sharing) in Windows XP/Vista/Windows 7;
• Auto Configuration of the listen port (through UPnP), Port Mapping in router: (UPnP support is required in router, Windows XP/Vista/7 is required).
• Option of disabling and/or setting download priority of individual files (in multi-file torrents): Files can be disabled, so that they are not downloaded, or set to higher or lower priority, allowing you to select which files finish first.
• Custom download order (for multi-file torrents): The order in which the client will attempt to download the files of the task can be customized on the task's properties page.
• Tagging system: Tasks can be assigned multiple tags and can be sorted by any tag. There are a few default tags and there can be created any number of additional tags. Also, customized download locations can be assigned to any tag.

• P2P downloading: BitTorrent technology is integrated into HTTP/FTP download, with which BitComet automatically finds other clients and gets data from them (in order to increase your download speed)，without additional bandwidth usage of the HTTP server.
• Intelligent File Rename: Automatically chooses the best name for your download file.
• Preview while Downloading: Preview of mp3, avi, rmvb, wmv, qt, etc. files is available during downloading process.
• Multi-Mirror download: Mirror servers are automatically found for the file being downloaded. Data from these servers are downloaded at the same time, in order to increase download speed 300% or more.
• Multi-Section download: Files are split into several sections, which are downloaded at the same time through multiple connections per task, in order to increase the download speed up to 500% or more.
• Multi-Language Support: Multi-language web pages and encoded URLs can be correctly handled.
• Quick Resume: Stopped download tasks can be resumed from where they left off, from both HTTP and FTP servers (granted they support resuming).
• HTTP/FTP batch file download;

• Global and per-task speed limit option, for both Upload and Download.
• Bandwidth Scheduler.
• Option to limit globally the number of concurrent downloading and/or seeding tasks in order to secure a healthy bandwidth for the running tasks.

• support for collaborative cross-network downloading from the eDonkey and Kad Networks through the eMule plugin;
• Long-Time Seeding;
• graphical interface in several languages (52 languages supported at present time);
• extension/plugin for Firefox, CometBird and Internet Explorer browsers which allows the user to download video and/or audio from webpages (such as YouTube);

• User-friendly and very easy-to-use. We try to hide all of the complicated terms, behind the interface.
• BitComet does not contain any adware or spyware.
• How to support us?

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