BitComet v1.20
by BitComet
(BitComet Website)

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File Size: 6.5 MB
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System Requirements:


Last Updated: 2010-05-19
For more detail about software : Software Description
  View BitComet v1.20 Screenshot

Software Description

BitComet is a p2p file-sharing freeware fully compatible with Bittorrent, which is one of the most popular p2p protocol designed for high-speed distribution of 100MB or GB sized files. BitComet is a powerful, clean, fast, and easy-to-use bittorrent client. It supports simultaneous downloads, download queue, selected downloads in torrent package, fast-resume, chatting, disk cache, speed limits, port mapping, proxy, ip-filter, etc


  • Support preview of video file which is being downloaded.
  • Support DHT Network, download trackerless torrent!
  • Completely new core written in C++, stable and fast, very low CPU usage. (detail)
  • Ability to limit the upload speed as well as download speed. (detail)
  • Clean and free, without any adware or spyware. ( Please note: Spybot may misreport "Comet Cursor" )
  • Multiple simultaneous downloads, ability to select download files in one torrent and set file priority.)
  • Intelligent Connection Optimize, Auto Optimization for different connections, runs well using all default settings.
  • Intelligent Rate Control, optimize the upload distribution in order to get the max download rate.
  • Intelligent Disk Cache, decrease the potential damage to the hard disk when high-speed downloading (>500KB/s) by decrease the read / write frequency, extra memory usage is the cost. (detail)
  • Intelligent Disk Allocating, no long-time disk allocation, also decrease the disk fragment to almost zero.
  • Intelligent Hash Scan, no time-consuming scanning when seeding / resume. (detail)
  • Firewall and NAT Traversal, users behind differect NAT can now connect to each other (detail)
  • Auto config ICF (Internet Connection Firewall) and ICS (Internet Connection Sharing) in Windows XP
  • Auto config port mapping in router (UPnP support is required in router, Windows XP is required). (detail)
  • Ability to block IP temporarily or permanently, compatiable with eMule ipfilter.dat.
  • Ability to chat with other downloaders ( disabled by default )
  • Compatiable with Windows XP SP2 TCP/IP restriction (detail)
  • ZIP package is also provided, which runs withoust installation.
  • Using only one TCP listening port. (detail)
  • Support Multi-tracker, and utf-8 extension, UDP tracker Protocol v2.
  • Support automatically power off with conditions.

New in v1.20

  • GUI Improved: new command in file menu: "Import Unfinished Download", supports BitComet, uTorrent, Xunlei
  • GUI Improved: start download from torrent infohash directly in "Open torrent from URL" dialog
  • GUI Improved: drag & drop task names to rearrange task list(when task list not sorted)
  • GUI Improved: BT task summary tab: show BT task pieces number; show down/upload speed/size detail info in tooltip when mouse hovers on them
  • GUI Improved: BT task peer list: new command "Friend Upload Slot" in the context menu, for only one IP at the same time
  • GUI Improved: BT task tracker list: show seeds, peers, downloaded number returned from tracker
  • GUI Improved: BT task file list: sort file names in the same order as Windows Explorer(thanks to RadioNoise)
  • GUI Improved: display snapshots tab in new BT task dialog when open torrent file
  • GUI Improved: modify the size of BT task properties dialog, compatible with 1024x600 resolution
  • GUI Improved: for finished BT task, "search for Long-Time Seeds" displayed as "enable Long-Time Seeding", "search for eMule sources" as "enable upload to eMule sources" in task properties dialog
  • GUI Improved: new global option: maximum number of concurrent seeding BitTorrent tasks
  • GUI Improved: new global option: Don't use proxy for tracker/peer connections
  • GUI Improved: new global option: specify separated listen port for Web UI
  • GUI Improved: supports Occitan language(see lang\HowTo-Translate.txt)
  • GUI Improved: when using remote desktop, disable highlight the row on which mouse hovers in file list, peer list and tracker list
  • GUI Improved: improve compatibility of install package with Vista/Win7
  • GUI Bugfix: tailing space in tracker address leads to connection failure
  • GUI Bugfix: can't start BitTorrent download when drag&drop a Magnet URI text to floating window
  • Core Improve: use UTF-8 encoding when making torrent file by default for all language versions of Windows
  • Core Improve: improve algorithm, reduce CPU usage of DHT modular, avoid GUI blocked
  • Core Improve: improve algorithm, reduce CPU usage of Long-Time Seeds download modular, avoid GUI blocked
  • Core Improve: support HTTPS tracker
  • Core Bugfix: after Scheduler stopped all tasks, the option of "Auto start task when download rate less than specified rate" will still start tasks
  • Core Bugfix: after BT task stopped, corresponding DHT connections didn't stop totally
  • Core Bugfix: invalid DHT packet may lead to program crash(thanks to Pierre Nogu├Ęs)
  • Core Bugfix: task list backup file from v1.19 can't be imported by itself
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