Open source tool that includes both and encoder and a decoder able to handle Base64, BinHex, UUencode, XXencode and yEnc formats. Versions for GNU/Linux, Mac OS X, Windows and DOS are available.

A free Usenet permanent archiving and web presentation tool written in Perl.

Perl-based GPL gateway between Usenet and the Web.

Point-and-click Web-based binary download manager licensed under the GNU GPL. It uses a database (e.g. MySQL) to store all information and aggregates articles into sets, making possible to download a whole set at once.

Open source utility that decodes files in yEnc, UUencode and Base 64 formats widely used on binary newsgroups. Versions available for Mac OS 7, 8, 9, and X as well as Motorola 68K based Macintosh computers.

A modified version of the open source Newsportal Usenet-Web gateway.

Has several shareware applications specialized in binary newsgroups for Windows and Mac OS X, such as NZB client software, yEnc, RAR, and PAR decoders or a picture downloader.

An open source Web-based news client.

Main development site for software to handle the PAR and PAR2 archive formats. Contains the file format specification, graphical clients, information for those who want to contribute to the PAR software, forums and announcements.

Information and downloads for tools for handling par and par2 archives. Par and Par2 are file formats used for sending files via Usenet.