Linux applications recently updated (well, actually some are multi-platform, but anyway):

Where is Application 1.5 - application which informs you where to find applications after installing, in the Gnome menu | Download for Ubuntu

Over the years, Xfce gained a reputation of being a lightweight alternative for the two major desktop environments on Linux, KDE and GNOME.

Linux Unified Kernel claims to allow you to run Windows application native under Linux (I haven't tested it yet though).

This is a review of top 10 applications for KDE4, including Amarok 2, Yakuake, K3b, SMPlayer & Krusader.

Amarok - in my opinion, this is the greatest music player and collection management for the Linux platform. I think it's also a killer application for Linux with all the features it has.

Wanted to thank the UbuntuHq.com staff for adding a link to our site.

TuxSoftware.com is a web-based software delivery system for Ubuntu/Debian, the site contains the most popular well documented applications with screenshots, reviews, system requisites, and support links for each. You may install software using either the AptUrl protocol or with our own custom utility which is additionally capable of local .deb package installs. We also maintain a custom repository that contains additional packages that may not be in the Canonical supported repos, like Flock Webbrowser and Frostwire for instance.

This is a very young project that is constantly growing and we welcome any and all community suggestions. We are very commited to Free/Open Source Software and both our site and utility are under the CC-SA and GPL.

Ubuntu Tweak is a utility created to make it easier for users to configure and change a variety of system settings. You can use it to quickly adjust settings for GNOME Panel, Compiz, and Nautilus, along with some more advanced security settings.

Do is an application to find things on your system and quickly perform actions, similar to Quicksilver for OSX and GNOME Launch Box. It works on a variety of different desktop environments, including GNOME and KDE. Basically, all you need to do is to press Super + Space on your keyboard, and the Do dialog will open. Super is the Windows key on a PC, or the Command key on a Mac. Type in the name of an application, and Do will launch it for you.

Web applications, or web apps, have become very popular due to the ubiquity of web browsers and fast internet connections. The disadvantage of web apps is they run in a web browser, which means that they’re not integrated into your desktop. Web apps don’t look like normal offline apps, and the web browser’s interface can distract from the application running it it.

You can manage most of today's multimedia applications easily with ReMoot, a universal remote control program. ReMoot even provides an esoteric way of controlling your PC remotely from your cell phone or PDA, earning it top geek points.

You probably know this: you power on your machine, and immediately after you've logged in you manually start your two or three favourite applications. Why not have the system start these applications for you automatically? This short guide shows how to accomplish this under GNOME.

Do you want completely anonymous internet access? For Free? Tor is the open source leader to anonymous connections on the internet.