Ubuntu Update Manager!

Chocolatey NuGet is a Machine Package Manager, somewhat like apt-get, but built with Windows in mind. It is built on top of NuGet command line and the NuGet infrastructure.In terms of updates, it allows you to update nearly everything on your machine with a few simple keystrokes.

FileHippo App Manager, previously Update Checker, scans your computer for installed software and checks the versions with http://alternativeto.net/software/filehippocom/ to see if newer versions are available. Versions are neatly displayed in your browser with downloads along with details such as download size.

Synaptic is a graphical package management program for apt. It provides the same features as the apt-get command line utility with a GUI front-end based on Gtk+.

Software Informer is a programme, whose primary aim is to give you the up-to-date information about the software you actually use. Whenever a more recent version of any programme becomes available, Software Informer notifies you and offers a link for downloading the update. It also allows you to keep track of comments and questions on corresponding software.Not only that, but also a whole software-related social network paired with our siClient program, where you will be able to: Get notifications about important software updates Find a perfect program according to your needs Ask questions and get feedback from experienced users Share your opinions Meet people with similar interests And much more. »

SUMo stands for Software Update Monitor. Thanks to SUMo you'll be able to keep your PC up-to-date by using the most recent version of your favorite software ! Unlike build-in auto update features, SUMo tells you if updates are available before you need to use your software.

Ketarin is a small application which automatically updates and optionally installs setup packages by monitoring web pages for changes. As opposed to other tools, Ketarin is not meant to keep your system up-to-date (like a package manager), but rather to maintain a compilation of all important setup packages which can then be burned to disc or put on a USB stick.

Patch My PC is a small portable application that updates third party applications and Windows updates. It’s critical to keep software up to date to ensure vulnerabilities are patched. There are currently almost 100 third-party applications that Patch My PC can silently update, and the list is growing with each release!

Flexera Software Personal Software Inspector, previously Secunia PSI, is a FREE security tool designed to detect vulnerable and out-dated programs and plug-ins which expose your PC to attacks. Attacks exploiting vulnerable programs and plug-ins are rarely blocked by traditional anti-virus and are therefore increasingly "popular" among criminals.

App Grid is a new lightweight Ubuntu Software Center alternative that tries to make application discovery easier by using a grid view which includes app screenshots and ratings.

AppFresh helps you to keep all applications, widgets, preference panes and application plugins installed on your Mac up to date. All from one place, easy to use and fully integrated into Mac OS X. AppFresh works by checking the excellent osx.iusethis.com for new versions and lets you download and install available updates easily.

The MacPorts Project is an open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac OS X operating system.

MacUpdate Desktop makes managing and updating your applications easy and automatic. It helps you organize your favorite applications and keep track of them when new versions become available. Download and install new updates. Find out whats new. Stay up to date like never before.

Kaspersky Software Updater is a Kaspersky Lab free utility that searches for updates for the applications installed on your computer.