Smartphone Experts SidePouch for Centro - Centro Side Cases - Treonauts Store
http://shop.treonauts.com/smartphone-experts-sidepouch/4A120A3329.htm
Smartphone Experts Screen Protectors (3-Pack) for Centro - Centro & Treo Screen Protectors
http://shop.treonauts.com/smartphone-experts-screen-protectors--3-pack/15A43A3193.htm
"The SPE Screen Protector is the best screen protector for your Centro. Not only does it protect your display, but it also enhances it! "
Palm 2 in 1 Stereo Headset Pro for Centro, Treo - Centro & Treo Hybrid Headphones - Treonauts Store
http://shop.treonauts.com/palm-2-in-1-stereo-headset-pro/73A74A1644.htm
"If your Centro, Treo 755p, Treo 750, Treo 700p, Treo 700wx, Treo 700w, Treo 680, Treo 650, or Treo 600 pulls double duty as a phone and an MP3 player, then the 2-in-1 Stereo Headset Pro is perfect for you!"
Palm Air Case for Centro - Centro & Treo Hard Cases - Treonauts Store
http://shop.treonauts.com/palm-air-case/4A123A3440.htm
"Protect your Centro with this strong, lightweight, and practically invisible case. Made of durable polycarbonate, it's sleek and smooth, yet surprisingly strong. Best of all, you can access all of your Centro's features while it's safely inside the case.
iGo Stowaway Ultra-Slim Bluetooth Keyboard for Centro, Treo - TreoCentral Store
http://store.treocentral.com/igo-stowaway-ultra-slim-bluetooth-keyboard/9A55A171A.htm
Card Reader
http://mobile-stream.com/cardreader.html
"Card Reader allows to use Palm-powered handhelds as an ordinary USB or Bluetooth card reader for quick and easy file exchange."
Treo USB Modem
http://mobile-stream.com/usbmodem.html
"USB Modem allows you to use Treo 600, Treo 650, Treo 680, Treo 700p, Treo 755p and Centro smartphones as a USB modem for connecting a desktop or notebook computer to Internet."
Freeware Palm: Megatops txtMemo v1.5b
http://www.freewarepalm.com/utilities/megatopstxtmemo.shtml
"It manages all your memos on expansion card and supports the DOS, UNIX and MAC formats."
Power DA - Green Dragon Software.com
http://www.greendragonsoftware.com/software/palm/powerda
"Power DA is a Desk Accessory launcher for Palm OS 5. Desk Accessories are useful little applications that can be opened and used while you are in another program."
ToDo DA - SpaWare
http://ogin.net/spaware/tododa/index_e.html
daMemoPad
http://www.jade.dti.ne.jp/~imazeki/palm/damepd.html
Memo Pad Desk Accessory. Text is all in Japanese, but scroll to the bottom for screenshots.
Freeware Palm: FieldPlus v2.2
http://www.freewarepalm.com/utilities/fieldplus.shtml
"FieldPlus is a control panel plugin that adds the capability to select text using the Treo 600/650 navigation pad. It also allows the command bar to be opened by holding the menu key."
McPhling - Mike McCollister's Palm OS Programs
http://www.mikemccollister.com/palm#McPhling
Excellent app for basically alt-tabbing between Palm apps.
Frodo for PalmOS
http://frodopalm.sourceforge.net
"Welcome to the homepage of Frodo for PalmOS, the free Commodore 64 emulator for your Palm!"
betterrec
http://betterec.sourceforge.net
"I wrote this program because I noticed that my PalmOS device (LifeDrive) contains quite a good hardware for recording sound, but (surprisingly) there was no good software which could fully use its potential."
CellarDoor
http://cellardoor.sourceforge.net
"Thanks for trying CellarDoor, a new version in a long lineage of Interactive Fiction interpreters for PalmOS devices."
Palm Commander
http://www.palmcommander.com
File manager. Looks kinda outdated, but is free and seems to work.
Kinoma - Kinoma Player Product Information
http://kinoma.com/player4
"With support for all the most popular streaming audio and video formats - including MP3, MPEG-4, Windows Media 9, RTSP, and Flash Video - you'll see and hear more internet streams with Kinoma Player 4 EX than any other Palm media player."
MiniTones
http://software.palminfocenter.com/product.asp?id=11197
"This small freeware app allows you to select a MP3 file and add it to your ringtone list in Sounds."
Product Review Palm Centro Cellphone - New York Times
http://www.nytimes.com/2007/10/11/technology/circuits/11pogue.html
"Palm hoped that by trimming the Treo’s size and price, it would create a totally different product, a new crossover phone for people who have never before owned phones with alphabet keys."
Palm, Inc. - Products - Palm® Centro™ smartphone
http://www.palm.com/us/products/smartphones/centro
"Palm Centro gives you voice, text, IM, email and web,1 all in a phone that's a lot smaller than you think."