DragonDisk is a powerful file manager for S3 compatible cloud storage services, such as Amazon S3 and Google Cloud Storage. It allows you to back up, share, and organize your data thanks to an intuitive interface. Features include multiple windows; copy / move between Amazon S3 accounts; a multi-threaded HTTP/HTTPS engine; drag and drop; rename files and folders; filename filters; BiTorrent, time limited, and signed URLs; client side encryption; a metadata editor; ACL inheritance; detailed operations logs; and support for versioning.
MLdonkey is a multi-platform, multi-network peer-to-peer client. It supports several large networks such as eDonkey, Overnet, Kademlia, Bittorrent, Gnutella (Bearshare, Limewire, etc.), Gnutella2 (Shareaza), or Fasttrack (Kazaa, Imesh, Grobster). Networks can be enabled or disabled. Searches are performed in parallel on all enabled networks. For some networks, each file can be downloaded from multiple clients concurrently.
Datum is a Web application which shares data from databases and information related to these databases. The core of the software provides user management and permissions, news, file sharing, visualisation of the database schema through WWWSQLDesigner, data reports with charts, dynamic charts, an asynchronous daemon, internationalization, a help system, database management with optimization and triggers, and user history. Modules can be added to add special functionalities or interfaces for a database.
RivetTracker is a modified version of PHPBTTracker. This program provides the same functionality as most other bittorrent trackers and uses MySQL as the database backend. It improves on PHPBTTracker by adding a more robust installer, a centralized administration page with authentication, and more detailed statistics on users connected to the tracker.
Tahoe-LAFS (Least Authority File System) is a decentralized data store. It distributes your filesystem across multiple servers, and even if some of the servers fail or are taken over by an attacker, the entire filesystem continues to work correctly and to preserve your privacy and security.