SaluSafe is an encrypted email, chat, and file storage and sharing system. Your email and files are highly encrypted end-to-end, and cannot be intercepted by any third party. It was built from the ground up for security via strong cryptography, and is not just another security wrapper on top of an existing email solution.
Proximate is a social peer-to-peer (P2P) application designed for local device to device networking. It provides social communities with several user functions: Messaging, file sharing, and message boards. The application is designed to be completely P2P, i.e. servers are not needed. It only assumes TCP/IP networking, which means that it works over wireless/wired links such as ad hoc WLAN and Ethernet LAN. The application is written in Python for GNU/Linux systems with a GTK+ GUI, Nokia N900 being the primary platform.
Image Tools is a screen capture and file sharing tool. It features multi-threaded batch image resizing, conversion, cropping, flipping/rotating, watermarks, decolorizing (grayscale, negative, sepia), and optimizing. The BMP, GIF, TIFF, JPEG, PNG, and EMF image types are supported. It is compatible with MONO (only for GNOME). Multicore processing is supported to increase performance. The quality for output when optimizing is variable. Color channels can be filtered. An internal benchmarking tool is available. Indexed pixel format images can be processed.
KTorrent is a BitTorrent application that allows you to download and share files using the BitTorrent protocol. Key features include queuing of torrents, global and per-torrent speed limits, previewing of certain file types, importing of partially or fully downloaded files, file prioritization for multi-file torrents, selective downloading for multi-file torrents, kick/ban peers with an additional IP Filter dialog for list/edit purposes, UDP tracker support, support for private trackers and torrents, support for µTorrent's peer exchange, support for protocol encryption (compatible with Azureus), support for creating tracker-less torrents, support for distributed hash tables (DHT), support for UPnP to automatically forward ports on a LAN with dynamic assigned hosts, support for webseeds, scripting support via Kross, and interprocess control via DBus interface.
GoAnywhere Services allows trading partners and employees to securely connect to your organization and easily download or upload files. Popular file transfer and encryption standards are supported without the need for proprietary client software. It supports FTP, SFTP, FTPS, HTTP, and HTTPS, provides a pure Web client for simple file transfers, includes event triggers based on user-defined conditions, generates detailed audit logs and alert messages, provides trading partners with account wizards and permission controls, features an intuitive browser-based interface for remote administration and monitoring, and requires no programming or special skills.