It is not necessary to use open source software to be able to protect your data (provided the applications have an API or some method of exporting your data in

It is not necessary to use open source software to be able to protect your data (provided the applications have an API or some method of exporting your data in a parsable format). It's also not difficult to build your own secure, replicable network in the Cloud. Get a Linode and a Slicehost, install a Notes server on them both, keep your data locally and in two secure, encrypted automated backups in the Cloud. Whenever you don't have access to your local Notes, you can even have elected to make all or just portions of your data available via a browser and https. addendum: Forgot to mention, total cost for the Notes client and server licenses: about $150 for 1 user but any number of servers. And Notes will run on Windows, Linux, OS X, ...