Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

NZBGet - The most efficient usenet downloader.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Newshosting - Join with any administration arrange and get finish access to the simple to-utilize Newshosting Usenet Browser.

Bigtent - BigTent is a web-based organization and communication portal for groups.

SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.