Update README.md

Added some options for secure cloud/backup services :)

README.md

@@ -44,6 +44,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 * [Amanda](http://www.amanda.org/) - Client-server model backup tool.
 * [Bacula](http://www.bacula.org) - Another Client-server model backup tool.
 * [UrBackup](http://www.urbackup.org/) - Another client-server backup system.
+* [TarSnap](https://www.tarsnap.com/) - Secure backup service with an open-source client
 
 ## Cloning
 *Cloning software.*
@@ -61,6 +62,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 
 * [ownCloud](http://owncloud.org) - Provides universal access to your files via the web, your computer or your mobile devices.
 * [Seafile](http://seafile.com) - Another Open Source Cloud Storage solution.
+* [TahoeLAFS](https://tahoe-lafs.org/trac/tahoe-lafs) - Cloud storage (it's described as "like bittorrent, with upload" by @zooko) 
 
 ## Configuration Management Database
 *Configuration management database (CMDB) software.*