Software

Adobe Reader
PDF file reader. Free download. [Nokia 6680, Nokia Communicator 9500/9210/9290]
http://www.adobe.com/products/acrobat/readerforsymbian.html

Agile Mobile
Offer an instant messenger tool that connects with AIM, Yahoo, MSN and ICQ networks. [UIQ, Series 60]
http://www.agilemobile.com/

Cerience Corporation
RepliGo document conversion tool that allows viewing of most common PC document formats on compatible mobile devices. [UIQ, Series60]
http://www.cerience.com/products/repligo.htm

EEMame
A port of the MAME arcade game emulator for mobile phones. Includes discussion forum, downloads and list of supported roms. [Series 60, UIQ]
http://www.harmonicode.com/EEMame/

E32Frodo
Open source Commodore 64 emulator. Includes downloads and documentation. [Nokia 9210, Series 60, ER5]
http://e32frodo.sourceforge.net/

Frozen Bubble
Conversion of the puzzle game for the Series 60 platform.
http://fb-s60.sourceforge.net/

GnuPoc
Symbian OS SDK for GNU/Linux. ER5, Quartz, 9210, Series 60, UIQ SDKs supported.
http://gnupoc.sourceforge.net/

Opera for Mobile
Web browser software. Also offer a proxy based web acceleration product which eliminates unnecessary web content prior to it being downloaded to a mobile device.
http://www.opera.com/download/index.dml?platform=symbian

PuTTY for Symbian OS
Free SSH client. Includes news, documentation, FAQ and downloads. [UIQ, Nokia Communicators, Nokia Series 60]
http://s2putty.sourceforge.net/

SafeNote
Password protected notepad application. Trial version available for download. [Series 60]
http://www.eksikalori.com/

Smart Call Manager
Manages incoming and outgoing calls, logs and records conversations, and answerphone integration. [Series 60]
http://www.eltima.com/products/smart-call-manager/

TIVR Communications
Offer a H.264 video decoder which support real time decoding up to QVGA resolution on mobile devices. [Series 60]
http://www.tivr.co.in/