Cockos

Reaper (32-bit)
Trial versionReaper: Powerful and Flexible Audio Production Software
Windows
Reaper (64-bit)
Trial versionReaper: Flexible Audio Editing for All Users
Windows
LICEcap
FreeCapture GIF or LCF files on your Mac
Mac
TunnelVision
FreeTunnelVision Enhances Privacy by Hiding Screen Content
WindowsAssniffer
FreeAssniffer: Comprehensive Network Analysis Tool
WindowsNINJAM Client
FreeNINJAM: Real-Time Collaborative Music Creation Online
Windows
LanMon
FreeComprehensive Network Monitoring with LanMon
Windows
SnapEase
FreeEfficient Animation Tool for Windows Users
WindowsNINJAM Client (OS X)
FreeVersatile Media Player for Collaborative Music
Mac