18.2
PingPlotter monitors network performance continuously, tracking latency, jitter, and packet loss while showing network paths to help locate connection problems.
Free planiOSWebAPI
Alternatives to iPerf2
27.5
GitHub CodeQL is a language and toolchain for analyzing code as data.
Free planWebExtensionLinux
37.3
Free planOpen sourceWebLinuxmacOS
- 4
EVE-NG
EVE-NG is a clientless network emulation platform for network, security, and DevOps professionals.
Free planWebLinuxmacOSSelf-hosted7.0Free plan - 5
Netpicker
Netpicker validates network configurations, state, security, compliance, and behavior, and can automate remediation.
Free planWebAPILinuxSelf-hosted6.8From $7,500 a year - 6
TRex
TRex is a free, open-source traffic generator for benchmarking network platforms with realistic traffic.
Free planWebAPILinuxmacOS6.8Free plan - 7
LibreSpeed
LibreSpeed is a lightweight JavaScript speed test that measures download, upload, ping, and jitter using XMLHttpRequest and Web Workers.
Free planAndroidWebLinuxmacOS6.7Free plan - 8
OpenSpeedTest
OpenSpeedTest is a browser-based HTML5 tool for measuring internet and network performance.
Free planAndroidiOSWebLinux6.7Free plan - 9
Tessabyte
Tessabyte measures network performance on wired and wireless connections, charting uplink and downlink speed, packet loss, and jitter.
iOSLinuxmacOSWindows6.7$39 one-time - 10
Mininet
Mininet is a free network emulator for creating virtual hosts, switches, controllers, and links on a single machine.
Free planAPILinuxmacOSSelf-hosted6.6Free plan - 11
Ostinato
Ostinato is network traffic generation and analysis software for validating throughput, QoS, multicast, routing, switching, protocol behavior, and network performance.
APILinuxmacOSSelf-hosted6.5From $12 a month - 12
GNS3
GNS3 is free, open-source software for emulating, configuring, testing and troubleshooting virtual and real networks.
Free planWebLinuxmacOSSelf-hosted6.4Free plan - 13
M-Lab NDT
M-Lab NDT measures a network connection’s capacity for bulk data transfer and reports upload speed, download speed, and latency.
AndroidiOSWebAPI6.3 - 14
SmokePing
SmokePing measures network latency, latency variation, and packet loss, then stores and displays those results.
Free planWebLinuxSelf-hosted6.3Free plan - 15
Cisco pyATS
Cisco pyATS is a Python framework for network testing, automation, and validation.
Free planLinuxmacOSSelf-hosted6.1Free plan - 16
iperf3
iperf3 is a free tool for measuring achievable bandwidth on IP networks.
Free planAPILinuxmacOSSelf-hosted6.1Free plan - 17
Netperf
Netperf is a network performance measurement tool for throughput and end-to-end latency.
Free planLinuxmacOSWindows6.1Free plan - 18
perfSONAR
perfSONAR is a free, open-source network measurement toolkit for examining performance across network paths and helping identify problems as they occur.
Free planAPILinuxSelf-hosted6.1Free plan - 19
Batfish
Batfish is an open-source network configuration analysis tool for checking policy and expected network behavior.
APILinuxmacOSSelf-hosted6.0 - 20
Invariant
Invariant checks network configurations against connectivity and security rules, helping network and security operators find reachability problems and security gaps.
Free planWebAPI6.0Free plan - 21
Flent
Flent is a free, open-source desktop tool for running repeatable network experiments, primarily to test for bufferbloat.
Free planLinuxmacOS5.9Free plan - 22
Forward Enterprise
Forward Enterprise builds a mathematical digital twin of a hybrid network from device state and configuration data.
WebAPISelf-hosted5.9 - 23
IP Fabric
IP Fabric is an application-aware network digital twin for on-premises and cloud environments.
WebAPILinuxSelf-hosted5.9 - 24
MoonGen
MoonGen is a free, MIT-licensed packet generator for high-speed network testing on Linux.
Free planLinuxSelf-hosted5.7Free plan - 25
Pktgen-DPDK
Pktgen-DPDK is free, self-hosted Linux software for repeatable performance and functional packet testing.
Free planLinuxSelf-hosted5.7Free plan - 26
Cisco ThousandEyes
AndroidWebmacOSWindows5.4 - 27
NetBeez
WebLinuxmacOSWindows5.4 - 28
PacketForge
PacketForge is a paid traffic generator for validating network and device performance, scalability, and reliability.
WebWindows5.4 - 29
Shadow
Shadow is free, open-source Linux software for researching, developing, testing, and evaluating real networked applications in simulated networks.
Linux5.4 - 30
Testground
Testground is a free tool for testing, benchmarking, and simulating distributed and peer-to-peer systems at scale.
APILinuxSelf-hosted5.4