vile is a text editor which is extremely compatible with vi. It has extended capabilities in many areas, including multi-file editing and viewing, mouse support, infinite undo, additional operators, and rectangular operations. Vile has an optional Perl interface for UNIX and NT. It can also be built as "xvile", which is fully X-aware, or "winvile" for Win32, with scrollbars, menus, etc.
vsfplot is a 2D vector and scalar field plotter. It features Line Integral Convolution (LIC) on data, curvilinear scaled arrows following the flow lines, a mixed mode (scalar field map with overlaid vector field), handling of missing data to not interfere with the flow lines, generation of Scalable Vector Graphics (SVG) files (which are easily editable and convertible while preserving the best quality for inclusion in a PDF scientific article), and a color palette designed so the flows are uniformly readable when printed as greyscale.
vtiger CRM is a Web-based customer relationship management (CRM) software. It was developed over SugarCRM (SPL 1.1.2), with sales force automation (SFA) features. It allows sales people to manage their valuable accounts, contacts, and opportunities effectively. It can also be used to track daily tasks, meetings, and email messages smoothly. Installation is hassle-free, and the intuitive user interface enhances the user experience.