Free noteburner torrent software for mac

libtorrent is a C++ implementation of the BitTorrent protocol with the goals of being efficient and easy to use.
libtorrent is a C++ library that aims to be a good alternative to all the other bittorrent implementations around.
Although it comes with a working example client, libtorrent is a library and not a full featured client.
The main goals of libtorrent are:
- to be cpu efficient
- to be memory efficient
- to be very easy to use
libtorrent has been successfully compiled and tested on:
- Windows 2000 vc7.1, vc8
- Linux x86 GCC 3.3, GCC 3.4.2
- Mac OS X (darwin), (Apples) GCC 3.3, (Apples) GCC 4.0
- Sun OS 5.8 GCC 3.1
- Cygwin GCC 3.3.3
NOTE: libtorrent is licensed and released under the BSD-license.

Main features:
- trackerless torrents (using the Mainline kademlia DHT protocol) with some DHT extensions.
- support for IPv6
- NAT-PMP and UPnP support (automatic port mapping on routers that supports it)
- piece-wise, unordered, incremental file allocation
- uses separate threads for checking files and for main downloader, with a fool-proof thread-safe library interface. (i.e. Theres no way for the user to cause a deadlock). (see threads)
- adjusts the length of the request queue depending on download rate.
- multitracker extension support (as specified by John Hoffman)
- supports files > 2 gigabytes.
- serves multiple torrents on a single port and in a single thread
- fast resume support, a way to get rid of the costly piece check at the start of a resumed torrent. Saves the storage state, piece_picker state as well as all local peers in a separate fast-resume file.
- HTTP seeding, as specified by Michael Burford of GetRight.
- piece picking on block-level (as opposed to piece-level). This means it can download parts of the same piece from different peers. It will also prefer to download whole pieces from single peers if the download speed is high enough from that particular peer.
- supports the udp-tracker protocol by Olaf van der Spek.
- queues torrents for file check, instead of checking all of them in parallel.
- supports http proxies and basic proxy authentication
- gzipped tracker-responses
- can limit the upload and download bandwidth usage and the maximum number of unchoked peers
- implements fair trade. User settable trade-ratio, must at least be 1:1, but one can choose to trade 1 for 2 or any other ratio that isnt unfair to the other party.
- supports an extension protocol. See extensions.
- supports the no_peer_id=1 extension that will ease the load off trackers.
- possibility to limit the number of connections.
- delays have messages if theres no other outgoing traffic to the peer, and doesnt send have messages to peers that already has the piece. This saves bandwidth.
- does not have any requirements on the piece order in a torrent that it resumes. This means it can resume a torrent downloaded by any client.
- supports the compact=1 tracker parameter.
- selective downloading. The ability to select which parts of a torrent you want to download.
- ip filter to disallow ip addresses and ip ranges from connecting and being connected

Enhancements
- connect candidate calculation fix
- tightened up disk cache memory usage
- fixed magnet link parser to accept hex-encoded info-hashes
- fixed inverted logic when picking which peers to connect to
- (should mean a slight performance improvement)
- fixed a bug where a failed rename_file() would leave the storage
- in an error state which would pause the torrent
- fixed case when move_storage() would fail. Added a new alert
- to be posted when it does
- fixed crash bug when shutting down while checking a torrent
- fixed handling of web seed urls that didnt end with a
- slash for multi-file torrents
- lowered the default connection speed to 10 connection attempts
- per second
- optimized memory usage when checking files fails
- fixed bug when checking a torrent twice
- improved handling of out-of-memory conditions in disk I/O thread
- fixed bug when force-checking a torrent with partial pieces
- fixed memory leak in disk cache
- fixed torrent file path vulnerability
- fixed upnp
- fixed bug when dealing with clients that drop requests (i.e. BitComet)
- fixes assert as well

CreateTorrent Widget is a little widget for creating .torrent files.

You just have to drop a directory or some files from Finder/Desktop on it and it will create a BitTorrent file on your desktop.

DragNDrop url to any torrentfile-url to iTorrentFlux Uploader, and it will upload it to your TorrentFlux server.
Enhancements:
- Drawer for temporary upload preferences.
- Update checker.
- File type association (torrent files).
- Optimized code.
- Some bug fixes.

Opera introduces the looks and the performance of an exceptional Web browser.
Operas user interface has received a major overhaul with the new start-up dialog, and new default buttons, skin and panels in a blue and white color scheme that can be changed back to classic Opera look or another design. At start-up you can select a single or multiple document interface (SDI/MDI).
Opera is a standards-compliant Web browser for Windows, Unix, Mac, QNX, Symbian, OpenBSD and several other operating systems. Opera gives you a better Internet experience with its combination of speed, unique features, and keyboard shortcuts.
Opera for Mac is available for free in an ad-sponsored version, or without the ads through a paid registration.
It offers Mac-specific features such as keychain access in forms and a cookie manager. It is also the first Mac browser to be available as a shared library. Application developers can now include the Opera shared library inside their applications.
Main features:
- Fresh new look
- Weve cleaned up our front yard. The Opera 8 interface is designed to make the advanced functions easy and effective to use. Menus, toolbars and other elements have undergone our "slim and clean"-routine. The licensed version has the largest browsing area in the industry.
- Security
- Stay away from spy-ware, viruses, and other malicious applications that silently attack your computer while you are surfing the Web. For example, Opera displays security information inside the address bar, located next to the padlock icon that indicates the level of security present on a site. Opera 8 also provides protection against phishing attacks and automatically checks for security updates. More about security
- Speed
- Were holding on to our claim: "The Fastest Browser on Earth". In Opera 8, further improvements have been made in the way the browser reads pages to allow you to fly the Web.
- Tabbed browsing and pop-up blocking
- Opera pioneered tabs and pop-up blocking ages ago. But theyre still key features that more and more people start enjoying. With tabs you can open multiple pages within the same application window. Opera lets you control whether to block all pop-ups, or open only the ones that you have requested.
- Integrated search
- Search your favorite sites, for example Google, eBay, or Amazon without having to go to their Web pages. Use the integrated search window or search directly in the address field using shortcuts (e.g. writing "g Opera" in the address field will search for "Opera" using Google).
- Customization
- Using the appearance dialog you can make Opera look almost any way you want. Move buttons and search fields, add and remove toolbars, and so forth. Opera skins can change the look of your browser by giving it the icons and buttons of your choice.
- Password manager
- Operas password manager, the Wand, remembers your usernames and passwords so you will not have to. The password manager can store more than one username and password combination for each page, and will let you choose which one to use if multiple combinations are stored.
- Additional features
- Full support for Gmail
- Support for Atom newsfeeds
- First Web browser to natively support Scalable Vector Graphics (SVG).
This is a preview version of Opera. Use only on properly backed up computers and do not install over previous Opera versions.
Enhancements:
Speed Dial
- Now you have a new way to access your favorite Web sites. Just open a new tab to get your Speed Dial. Its easy to populate and addictive to use.
Fraud protection
- Operas advanced fraud protection protects you against web sites that try to steal your personal information. Watch the demo to learn how to enable this feature.
BitTorrent
- You dont need a separate BitTorrent application to download large files. Simply click a torrent link and start the download.
Add your favorite search engines
- Right-click on the sites search field and select "Create search" from the menu.
Content blocker
- Remove ads or images - its up to you. Right-click (CTRL-click on the Mac) on the Web page and choose Block content.
Site preferences
- Want to view a site in a different way or deny certain cookies? Want to block pop-ups on certain sites only? Right click and select "Edit site preferences".
Widgets
- Small Web applications (multimedia, newsfeeds, games and more) that make your desktop experience more fun. Use the Widgets menu to discover new widgets and access your favorites. Visit widgets.opera.com to learn more.
Improved rich text editing
- Use advanced text editing features for todays most popular Web applications.
Thumbnail preview
- It is easy to have many tabs open at once in Opera. But exactly which tab had that video you wanted? Hover your mouse on any tab to see a thumbnail preview.