QCAD is a free, open source 2D CAD system for Windows, Linux and Mac.

databeast offers Macintosh Telnet & TN3270 terminal emulator software for terminal-based remote access to computer systems

databeast offers Macintosh Telnet & TN3270 terminal emulator software for terminal-based remote access to computer systems

010 Editor: Professional hex editor with Binary Templates. A fast, flexible, easy-to-use hex editor.

Tsunami VT All in one Bulk Call Generator Call Receiver Network Simulator Call Router Protocol Converion software telecommunication test platform

Landscape, the systems management tool provided with Ubuntu Advantage, Canonical's service programme, allows you to manage large-scale deployments of Ubuntu machines as easily as one, making it far more cost-effective to support large networks of desktops

HexChat, an open-source, cross-platform IRC client

Paint3D is an innovative, easy to learn and use 3D bitmap (voxel) editor that allows you to paint, draw, sculpt and create in 3D using an approach similar to 2D paint programs.

HexChat, an open-source, cross-platform IRC client

QCAD is a free, open source 2D CAD system for Windows, Linux and Mac.