| 1 |  WiresharkThe world's most popular network protocol analyser. | 4.6.9 | Open source | October 12, 2026 | 97.9 MB | 6.6M ↓ |
| 2 |  ZeroTier OneA Smart Ethernet Switch for Earth | 1.16.2 | Proprietary | May 27, 2026 | 12.0 MB | 1.1M ↓ |
| 3 |  iPerf3A TCP, UDP, and SCTP network bandwidth measurement tool. | 3.22 | Open source | October 5, 2026 | — | 1.5M ↓ |
| 4 |  NmapNmap ("Network Mapper") is a free and open source utility for network discovery and security auditing. | 7.80 | Open source | March 30, 2021 | 26.9 MB | 897.9K ↓ |
| 5 |  Angry IP ScannerAngry IP scanner is a very fast IP address and port scanner. | 3.10.0 | Open source | September 3, 2026 | — | 170.3K ↓ |
| 6 |  simplewallSimple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer. | 3.8.7 | Open source | March 27, 2026 | — | 44.3K ↓ |
| 7 |  Yggdrasil NetworkThe Yggdrasil network is a decentralized, peer-to-peer network that aims to create a more resilient and private internet infrastructure. | 0.5.15 | Open source | October 24, 2026 | — | 65.4K ↓ |
| 8 |  Speedtest by OoklaThe definitive way to test the speed and performance of your internet connection. | 1.15.200.001 | Proprietary | April 29, 2026 | 56.2 MB | 745.5K ↓ |
| 9 |  librespeed-cliCommand line client for LibreSpeed | 1.0.14 | Open source | August 16, 2026 | — | 85.8K ↓ |
| 10 |  clumsyclumsy makes your network condition on Windows significantly worse, but in a managed and interactive manner | 0.3 | Open source | August 13, 2025 | — | 8.1K ↓ |
| 11 |  Advanced IP ScannerShows all network devices, gives you access to shared folders, and can even remotely switch computers off. | 2.5.4594.1 | Free | May 10, 2022 | 21.1 MB | 5.8M ↓ |
| 12 |  Flying CarpetEncrypted file transfer between Android, iOS, Linux, macOS, and Windows over ad hoc WiFi or a shared network. No internet connection required. | 10.0.1 | Open source | September 10, 2026 | — | 3.9K ↓ |
| 13 |  NextTraceNextTrace, an open source visual route tracking CLI tool | 1.7.4 | Open source | October 11, 2026 | — | 1.1K ↓ |
| 14 |  Microsoft NtttcpA Windows network throughput benchmark tool. | 5.40.0.99012574 | Open source | January 22, 2025 | — | 17K ↓ |
| 15 |  USBPcapUSBPcap is an open-source USB sniffer for Windows. | 1.5.4.0 | Open source | February 12, 2024 | — | 10.1K ↓ |
| 16 |  TrippyA network diagnostic tool | 0.13.0 | Open source | May 5, 2025 | — | 800 ↓ |
| 17 |  WinMTRIPv6 support and Unicode rebuild of WinMTR | 0.99 | Open source | December 15, 2025 | — | 43.6K ↓ |
| 18 |  RustScanThe Modern Port Scanner | 2.4.1 | Open source | August 5, 2026 | — | 216 ↓ |
| 19 |  Globalping CLIA simple CLI tool to run networking commands remotely from hundreds of globally distributed servers | 1.6.1 | Open source | October 6, 2026 | — | 2.6K ↓ |
| 20 |  Ubiquiti UniFi Network ServerThe UniFi Network Application, developed by Ubiquiti Inc., is a centralized network management
software designed to configure, manage, and monitor UniFi devices and networks. | 10.6.109 | Other licence | October 23, 2026 | 233.1 MB | 83.6K ↓ |
| 21 |  NetLimiterAn ultimate internet/network control, security and statistical tool for Windows. | 5.3.28.0 | Proprietary | October 9, 2026 | 21.3 MB | 12.2K ↓ |
| 22 |  Harmony SASEHarmony SASE is a cloud-based secure access service edge (SASE) platform that helps you secure your network and resources by providing a comprehensive suite of security solutions. | 13.1.0.20369 | Proprietary | October 6, 2026 | 103.2 MB | 34K ↓ |
| 23 |  SharikSharik is an open-source, cross-platform solution for sharing files via Wi-Fi or Mobile Hotspot | 3.1.0 | Open source | August 2, 2022 | — | 366 ↓ |
| 24 |  SoftPerfect Network ScannerPowerful multipurpose network administration tool for Windows, macOS and Linux | 26.9 | Proprietary | September 1, 2026 | 23.1 MB | 79.1K ↓ |
| 25 |  RnpA simple layer 4 ping tool for cloud. | 0.1.146.0 | Open source | September 12, 2022 | — | 908 ↓ |
| 26 |  PingPlotterPingPlotter is a network diagnostic tool for engineers, sysadmins, and other people with above-average tech skills. | 5.28.1.1488 | Proprietary | October 19, 2026 | 41.9 MB | 28.2K ↓ |
| 27 |  SolarWinds TFTP ServerFree TFTP server tool for reliable network file transfers. | 11.4.0.60030 | Proprietary | September 9, 2025 | — | 32.3K ↓ |
| 28 |  IometerIntel.Iometer | 1.1.0 | Open source | March 30, 2021 | 4.2 MB | 5.2K ↓ |
| 29 |  KillerScanOpen-source network scanner for Windows with device discovery, port scanning, service identification and live monitoring. | 1.8.3 | Open source | October 19, 2026 | — | 325 ↓ |
| 30 |  WifiInfoViewA tool to scan wireless networks around your area. | 3.00 | Free | June 12, 2026 | 498 KB | 20.1K ↓ |
| 31 |  NetSetManManage all your network settings with ease | 5.4.0 | Free | March 18, 2025 | 7.8 MB | 19.7K ↓ |
| 32 |  ChMacChMac is a command-line-interface (CLI) tool for Windows that changes or randomizes MAC addresses of specified network adapters. | 2.0 | Open source | June 11, 2021 | — | 1K ↓ |
| 33 |  Wireless Network WatcherSmall utility to scan computers and devices connected to your wireless network. | 2.45 | Free | June 27, 2026 | 582 KB | 16.3K ↓ |
| 34 | NnetworkminerNetwork Forensic Analysis Tool | 3.2 | Open source | | — | 12.3K ↓ |
| 35 |  LocalSend CLIShare files to nearby devices. Free, open source, cross-platform. An open source cross-platform alternative to AirDrop. (CLI) | 1.18.2 | Open source | September 5, 2026 | — | ★ 95.2K |
| 36 | CCytoscapeOpen source software platform for visualizing complex networks and integrating these with any type of attribute data | 3.10.4 | Open source | October 23, 2026 | — | 11.1K ↓ |
| 37 |  Packet SenderPacket Sender is a free utility to allow sending and receiving TCP, UDP, and SSL (encrypted TCP) packets on the ports of your choosing. | 8.11.3 | Open source | October 12, 2026 | — | ★ 2.7K |
| 38 |  BreitbandmessungQuickly and easily test the speed of your Internet access. | 3.12.1 | Proprietary | August 5, 2026 | 114.9 MB | 3.2K ↓ |
| 39 | SSoftPerfect WiFi GuardSecurity of your Wi-Fi network for Windows, macOS and Linux | 26.10 | Proprietary | October 20, 2026 | 8.7 MB | 6.7K ↓ |
| 40 |  NetWorxBandwidth monitoring and data usage reports for Windows, macOS and Linux | 26.5 | Proprietary | May 7, 2026 | 11.3 MB | 6.4K ↓ |
| 41 |  DeskreenDeskreen turns any device with a web browser into a secondary screen for your computer | 2.0.4 | Open source | November 14, 2022 | — | ★ 21.6K |
| 42 |  easytier-guiA simple, secure, decentralized VPN mesh network solution | 2.6.4 | Open source | May 12, 2026 | — | ★ 14.2K |
| 43 |  Bean Network TesterSimulate a bad network on Windows | 0.8.0 | Open source | October 5, 2026 | — | 93 ↓ |
| 44 | Wwifi-managerA little utility that shows you just the stuff you need to know about your Wifi profiles on Windows. | 0.2 | Open source | | 9 KB | 4.2K ↓ |
| 45 |  NetBScannerNetwork scanner tool that can scan computers using NetBIOS protocol. | 1.11 | Free | August 14, 2023 | 333 KB | 3.7K ↓ |
| 46 |  NitroShareNetwork file transfer application for Windows, OS X, & Linux. | 0.3.4 | Open source | June 4, 2021 | — | 3.6K ↓ |
| 47 |  EasyTierA simple, secure, decentralized VPN mesh network solution | 2.6.4 | Open source | May 20, 2026 | — | ★ 14.2K |
| 48 |  NTRAn open source light-weight visual traceroute tool implemented by Golang. | 1.7.4 | Open source | October 11, 2026 | — | ★ 8.2K |
| 49 |  NextTrace TinyAn open source light-weight visual traceroute tool implemented by Golang. | 1.7.4 | Open source | October 11, 2026 | — | ★ 8.2K |
| 50 | RrustnetNetwork monitoring terminal UI with per-process connection tracking and deep packet inspection. | 1.7.0 | Open source | | — | 2.2K ↓ |