JDownloader is a download manager, written in Java, which allows automatic download of groups of files from one-click hosting sites. JDownloader supports the use of premium accounts. Some parts, but not all, of JDownloader are open-source.
The installer contains bundled adware. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
JDownloader vs SABnzbd opinions
It doesn't have the same features.
jDownloader is also capable of NZB downloads via plugins already included in the default setup.
The most efficient usenet downloader.
NZBGet is written in C++ and designed with performance in mind to achieve maximum download speed by using very little system resources.
NZBGet vs SABnzbd opinions
It's faster and more efficient.
GrabIt is a free application that enables you to easily find and download content from Usenet news servers. The familiar looking interface makes selecting and downloading files intuitive and easy.
GetNZB is a free Newsreader software with integrated NNTP access for downloading files from Usenet. Register and get free Trial account now! GetNZB - Powerful and convenient Usenet DownloaderThis app doesn't have any features at the moment.
HelloNzb - The Binary Usenet Tool
With HelloNzb you can download (binary) files from Usenet servers via NZB index files. The software is based on Java and can thus run on many platforms (tested on Windows and Linux). Automatic archive verification via PAR2, automatic RAR archive.
HelloNzb vs SABnzbd opinions
good interface, easy use, stable
NZBReader is a web-based newsreader to download binary files from Usenet network. The service offers a unique online solution to download .nzb files from Usenet newsgroups. With NZBReader it's fast and simple to drap and drop a .This app doesn't have any features at the moment.
Pan is a newsreader, loosely based on Agent and Gravity, which attempts to be pleasant to use for new and advanced users alike. It has all the typical features found in newsreaders, and also supports offline reading, multiple connections, and a number of features for power users...This app doesn't have any features at the moment.
Simple, no-nonsense NZB download manager. Cross-platform, runs everywhere. Handles RAR and PAR2 files automatically. Streams media files while you download. Supports SSL encryption and IPv6.
Official website unavailable, download may be accessible through download sites.
A powerful Mac usenet client to browse usenet, create and reply to messages and download files.
Development for Unison has been discontinued and the software is no longer maintained, but last version has been released as free by Panic.