Capivara is a two pane file manager with remote synchronization support using SFTP and FTP. Capivara synchronization adds features like comparing timestamps or SHA-1 hash values and has a preview mode to shos which files are going to be deleted or copied. Because Capivara is Java based and all it requries is a Java Runtime Environment (JRE) it can run on multiple platforms like Linux, Solaris, Unix, Solaris, Mac OSX and windows.
Tomboy is a desktop note-taking application for Linux and Unix. Simple and easy to use, but with potential to help you organize the ideas and information you deal with every day. Tomboy is written in C# and utilizes the Mono runtime and Gtk#. Automatic spell-checking is provided by GtkSpell.
PostgreSQL is a powerful, open source relational database system with active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows. It is fully ACID compliant, has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It includes most SQL92 and SQL99 data types, including INTEGER, NUMERIC, BOOLEAN, CHAR, VARCHAR, DATE, INTERVAL, and TIMESTAMP. It also supports storage of binary large objects, including pictures, sounds, or video. It has native programming interfaces for C/C++, Java, .Net, Perl, Python, Ruby, Tcl, ODBC, among others, and exceptional documentation. For more details and features, click here