Open-source tool for testing internet speed and connection quality.
Best nuttcp Alternatives ranked by AI · updated May 2025
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nuttcp is a network performance measurement tool intended for use by network and system managers.
Price: Free
Top 6 nuttcp alternatives
Netcat is a simple Unix utility which reads and writes data across network connections using TCP or UDP protocol.
iperf is a tool for active measurements of the maximum achievable bandwidth on IP networks.
LAN Speed Test measures file-transfer performance across local networks and storage locations using a graphical interface. It is intended for Windows and...
Pros
- More user-friendly than NetStress for file-transfer checks
- Tests practical read and write performance to network shares
- Supports Windows and macOS
Cons
- File-transfer results are affected by disk and share performance
- Less precise for isolated network-layer testing than iPerf3
- The free version has fewer features than the paid edition
Free Lite; paid from $10
TamoSoft Throughput Test is a graphical network performance utility that measures TCP and UDP throughput, packet loss, and related connection statistics. It...
Pros
- Provides a graphical alternative to command-line tools
- Measures TCP and UDP traffic with packet-loss information
- Useful for testing wireless and VPN connections
Cons
- Less widely used and documented than iPerf3
- Platform support is narrower than iPerf3
- Interface and workflow are less modern than newer tools
NetIO-GUI is a graphical front end for the NetIO network throughput benchmark, aimed primarily at Windows users testing LAN and network performance....
Pros
- Provides a simpler Windows interface than command-line NetIO
- Useful for basic client-server LAN throughput tests
- Lightweight and free to use
Cons
- Fewer protocol and measurement options than iPerf3
- Less actively maintained than modern network benchmark tools
- Primarily suited to Windows rather than cross-platform workflows
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