Just Install - just-install - The stupid package installer for Windows.
NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
Scoop - A command-line installer for Windows
NetTraffic - Essential network bandwidth monitor.
Windows Remix - Web-based batch software installer with zero dependencies. Recommended first visit after reinstalling Windows or buying a new laptop.
FreeMeter - Monitor network bandwidth (C#.NET 2k/XP+). Desktop and Systray graph.