BitComet   
http://www.bitcomet.com

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.

csXPostUpload   
http://www.chestysoft.com

This ActiveX / OCX control allows an end user to upload batches of files to a server by an HTTP post. The entire contents of a folder can be uploaded with a single click. Paths, destinations and form variables can be set by the developer or the end user. Files can be filtered by extension and / or size. This control can be used in a web page or a COM enabled environment. It allows a more useful interface to be built than a web form with a Browse button when a user is regularly uploading multiple files to the same location. It shows a progress bar, has an abort and continue facility and stores settings in an inifile to avoid making the user enter paths every time. The control can also be hidden or reduced to just a progress bar and operated from the calling application where files for upload can be specified by name. There is a fully functional free trial available.

Friend Mailer   
http://www.friendmailer.com

Friend Mailer is private email communications software for home and business use. It transparently encrypts all the data transmitted over Internet and saved on hard disk- without any need for user intervention. It encrypts message text, attachments and reply-to header. Each user account can be protected by its own password. Friend Mailer can be used to safely send or share large number of pictures, audio and other files with your friends and business partners. Email attachments are saved to disk automatically when receiving mail. Friend Mailer has image viewer with many options and junk mail (SPAM) filter capable to discard HTML mail and/or email messages from certain regions. It recognizes large number of international character sets and translates them accordingly. Friend Mailer can run unattended, automatically connect to Internet, send and receive mail at scheduled intervals.

ASP pure file upload with progress   
http://www.motobit.com

Easy to use, hi-performance pure asp include - multiple files upload script with HTML progress bar indicator. ASP upload to server disk, database or email attachment, upload with image preview and email notification, secure (https) file upload. Upload up to 10MB for free, 200MB in licensed version (still pure asp). Custom upload limit per upload/per file. Original, unique or custom file names. Samples and documentation.

DupeWatcher   
http://www.resonantsoft.com

DupeWatcher is profile based powerful and handy duplicate file finder for Windows. It can detect identical files irrespective of file names using CRC32 or MD5 content match algorithms. This will help users to detect duplicate music or graphic files etc very easily. DupeWatcher can also detect duplicate files based on the file name, file size, file created or modified datetime. It comes with a pre-configured default profile with most common settings. It has option to exclude System, Read-only, Hidden files and zero byte files from duplicate search. A powerful filter option helps the user to include or exclude specific file groups or file types or file extensions from the identical file search. It also has an option to restrict duplicate file search to selected folder or to include sub folders. The user can execute a profile to find duplicate files in the system based on the selection criteria. On executing, the duplicate files detected and the results are displayed in a grid. The result is grouped based on the user selections to help the user to easily identify the duplicate files. By default, all the files in a group except the first one is marked as duplicate files. Users can override this at any time before taking any further action. Further action can be taken on the duplicate files with a single mouse click. It can be a single file, a single group of duplicate files or all the duplicate files. They can moved to Recycle bin, Deleted Permanently, Zipped, Moved to a specified location. User has an option to create a single copy of all the duplicate files. Users can even Export duplicate files report in a format of their choice. There is an option to delete empty folders while deleting the duplicate files. DupeWatcher logs every activity and generates a detailed report. Summary header gives the status at a glance while the detailed section lists every action that has taken on the duplicate files.