Out of the box lots of software is pre-installed on the Nokia N9, however if you want to further-enhance your user experience you may find it hard to filter out the good apps from the bad, this recent Nokia Conversations post should assist you.

According to someone who has been using the Nokia N9 for four weeks the following are what he regards as “must-have” apps: 4squick – a Foursquare client, gPodder – a Podcast client with support for YouTube and SoundCloud, Spotify – listen to music on the go, DropN9 – brings DropBox to your N9, NewsFlow – a QT-based Google Reader, TED – an app which full of inspiring and intriguing videos, Parking – an app wich locates where you parked your car and calculates how long you have left on your parking ticket, Sports Tracker – a great companion for every sportsman and finally qgvdial – a Google Voice client for MeeGo. All of the links to download these apps can be found here.

If you still haven’t found enough great apps for N9 you should head over to N9-apps.com, here apps are sorted into three categories “Hot”, “Top” and “Fresh” – the categories are the result of feedback from the community, therefore any of the apps in “Hot” or “Top” are probably worth checking out.

What are your favorite apps for the Nokia N9? Leave us a comment below so other readers can discover great apps!