Below is a list of some of the webspace providers being used successfully by other Cumulus Users. A list of non-compatiable providers is listed for reference.

Please feel free to add to this list as required

Free Webspace

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Commercial (paid) webspace

DreamHost - good value for multiple domains
E-Rice - Low cost ($10, $20 or $30 a year) web hosting used by many weather related sites. A great way to start out. All you need is your own Domain and away you go. Offers PHP5, MySQL and more. Does not provide crontab abilities however.
Godaddy
Hostgator - Both individual sites and reseller sites. Works very well with weather related sites. Especially useful if you need multiple domains contained within a single management system (reseller account).
ozemail.com.au / iinet.net.au
1&1 - more expensive than other host but their reliability has been excellent. www.1and1.com or www.1and1.co.uk
iWeb
NearlyFreeSpeech - Only pay for the storage and bandwidth you actually use. No cron, but full PHP and MySQL (you select which versions)

Non-Compatible with Cumulus

Google Sites
Jabry
000webhost.com (don't allow realtime.txt in free hosting)

Hosting Your Own

Assuming you have hosting ability via your ISP or use a commercial ISP you can host your own. You need to be able to host port 80 and be within your ISP's AUP to do this.

Sun GlassFish Web Stack - http://www.sun.com/software/webstack/index.xml

LAMP/SAMP both Solaris x86 and Solaris Sparc. Complete webstack that can be used to build your own webserver

Apache Friends XAMPP - http://www.apachefriends.org/en/xampp.html - Windows and Linux

Popular package for making your desktop into a web server.