Web Browsers
- Opera Mini, Free Java browser for mobile phones (Java)
- Skyfire, Free browser with flash support, good page rendering (Java)
- UCWeb, Free S60 Web Browser with Tab Support (No Flash Support) (Java)
- Opera Mini 5 beta now comes with more features than before, with a slick new interface, tabbed browsing, and speed dial.
- Opera Mobile 10 beta offers a richer browsing experience for smartphones, while still giving you a fast and full Web experience.

Web Server
- Nokia Mobile Web Server, Free mobile web server for mobile phones (beta)

E-mail
- Nokia Messaging, Push Email Client, supports POP and IMAP (currently free in beta)
- Gmail (Java)
- Emoze, Free IMAP push client. Supports Gmail and integrates nicely into UI. Also can check on a schedule (e.g. 15 minutes) to save battery/data.
- ProfiMail, ProfiMail is a powerful e-mail client for mobile devices, that supports HTML.
- Mail for Exchange for those using Microsoft Exhange as your email server
- Ovi Mail Beta is a new Nokia beta labs application that is still undergoing beta testing. It is currently a free app and includes an Ovi mail account.

IM/Chat
- Windows Live
- Fring, All-in-one Skype, MSN, Google Talk, ICQ chat and voice calls on your mobile phone.
- Slick by Lonely Cat Games, Similar to Fring, but works better – multi-protocol IM client.
- Internet telephone (built-in), Phones such as the N85 and N79 need to download SIP v3 for this to be activated while all E-Series have this VOIP client pre-installed.
- Skype, the Official Client (Java)
- Agile Messenger, All-in-one MSN®, AIM®, Yahoo!®, ICQ® & GoogleTalk® mobile phone IM client (Commercial).
- Nimbuzz, All-in-one Skype, Windows Live Messenger (MSN), Yahoo Messenger, ICQ, AIM, studiVZ, GoogleTalk, Facebook, MySpace, Jabber and many more (Free).
- Conversation is a beta application that allows threaded SMS’s to be displayed (a la iPhone / Sony Ericcson)

Weather
- WorldMate, World Weather, Time and more (Free)
- Handy Weather, Weather, including maps (Not Free)
- Here and Now An Ovi beta labs application. Provides data on Weather, Events, Movies and Restaurants.

GPS/Maps
- Nokia Maps, Comes Pre-installed, new version supports 3D buildings,
free but voice directions are a subscription (paid) addon. The core application/mapping is free.
- Google Maps, Now with street view
- Garmin Mobile XT (not free)
- Ovi Maps Ovi beta labs application. Over writes Nokia maps 3.0. Not compatible with older maps.
- Nokia Maps Loader is a Windows application that allows you to preload map data into your MicroSD card, along with voice packs. This allows you to use Nokia Maps + Drive/Walk offline without incurring data charges.

Music
- Core Player, video and audio viewer that supports all major codecs, now with YouTube support (Not Free)
- Shazam iD, Whats that song on the radio identify it with this program
- SmartMovie, good for converting movies

System Utilities
- x-Plore (free evaluation), Powerful file explorer and viewer.
- Jbak Taskman, Feature-rich task manager for power users.
- SymNAS, View your network from your Phone, upload content to your phone or to your computer
- SymNC, A suite of network utilities including, SymNAS, SymVPN, SymPlayer and SymSync.
- Nokia Energy Profiler, Cool application that graphs battery power usage and shows stats.
- Nokia Device Status, Summary of many phone settings, installed applications and network info, for both phone and PC.
- S60spoton – free torch application that uses camera flash or screen backlight as a light.
- Nokia Photo Browser is a powerful replacement for the built in image viewer that adds 3d “cover flow” type effects, dynamic zooming, magnifying glass (for touch UI’s) and face detection. This application is in Beta and has some known issues.

Office/Productivity
- QuickOffice, Open and Edit Office 2007 files (Editor Now a Free update for all Nokia E series FP1 and later) Symbian-Guru
- Calcuim, Free and simple calculator
- T9Nav, make T9 work better for you with this easy search program (Not Free)
- UPC Code Free barcode scanner for 1D,2D and QR codes

WiFi/Data
- Psiloc Connect, 3rd party app that prioritises wireless connections
- JoikuSpot, Turns your phone to a secure mobile WLAN HotSpot
- BTSwitch, Easily turn on and off Bluetooth (An easier way is to just hold the * key on the home screen.)
- Birdstep SmartConnect, similar to Psiloc Connect but free for E-Series
- We-Fi, Allows your programs to use free WiFi hotspots seamlessly.

Shell Manipulation
- Handy Shell Change the way you view your phone with this app which you soon will feel lost without
- Gdesk for the more adventurous out there, give your phone a more Uiq feel

Themes

View these great authors sites for some truelly amazing themes with custom icons.

- Pizero One of the best with great S60v5 icons. Some premium \ not free icons for those who want to indulge
- NaHiD Very Nice themes here aswell, from the simple to the colourful
- Flahorn The maker of some stunning icon packs makes his own themes also.
- Ax Great colors with icons to match
- Tehk7 Some very nice S60v5 inspired themes
- Nokia – Ovi Blue Theme

Miscellaneous

- Bloomberg – International Financial Market headlines and data feeds
- SymTorrent – Torrent app for S60.
- Trainview is a fully working CityRail timetable that displays train times as you would see on the train platforms. Purchasing the full application allows you to save presets and user data.

These are some of the best e71 applications. You can also use most of these on the e72. Please add to the list  by adding a comment. I will review the comments and add those programs to this list if they are suitable. Try to include mostly free applications for the e71 only.