Client email program.

Connectivity software for people, data and applications in mission-critical environments.

Fetch is a full-featured GUI-based Mac OS-only FTP client.

Vim is a text editor first released by Bram Moolenaar in 1991. Vim was created as an extended version of the vi editor, with many additional features designed to be helpful in editing program source code; its full name is Vi IMproved.

JellyfiSSH is a simple bookmark manager for connecting to *NIX boxes like BSD/Linux etc via Telnet or SSH 1 or 2. You can set preferences for each bookmark including the terminal colours, fonts, window size, transparency and default login. Version 4 introduces grouping which allows you to collect similar bookmarks into groups for better management - especially for large numbers of bookmarks, and an improved tunnel setup interface.

Secure Shell allows users to safely transfer data over a network.

X11.app is Apple Computer's implementation of the X Window System for Mac OS X. Apple's implementation of X11 is based on the X.Org Server and adds support for hardware accelerated 2D graphics, hardware OpenGL acceleration and integration with Aqua, the Mac OS X graphical user interface (GUI).