Storing data when using Greasemonkey

Question

Is there a good way to store an extensive ammount of data when using Greasemonkey for when GM_setValue just doesn't cut it?

Answer 1

Well here are the options:

1. Setup a server to save the data for the user, and use xhr to create/edit/remove data (Google App Engine (GAE) offers a lot of free storage space).
2. Use Web Storage which is implemented in Firefox.
3. Use Flash Local Storage.
4. Wait until Web SQL Database is implemented in Firefox..
5. A mixture of all of the above.

If you write a Firefox extension (or in the future you could make a Jetpack and use the Page Mod JEP 107 which is being developed) then you can also read/write/delete files to the HD.