speed.cloudflare.com
Cloudflare speed test for checking download, upload, latency, jitter, and network quality.
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apps.microsoft.com
WiFi Analyzer helps inspect Wi-Fi networks, signal details, and wireless connection information.
cloudflare.com
Cloudflare DNS is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
github.com
Network Manager is an open source project with code, documentation, and setup resources for network diagnostics.
arcai.com
The official site for NetCut, a network utility for cutting connections, and related tools including the Arcai router with built-in NetCut and Wi-Fi speed control. The site also covers NetCut-defender for protection against ARP spoofing attacks and a full-feature NetCut for Android that requires root access.
canyouseeme.org
CanYouSeeMe.org is a free open port check tool for remotely verifying whether a port is open or closed. It is used to check port forwarding, confirm a server is running, or detect whether a firewall or ISP is blocking ports.
globalping.io
Globalping is a platform for running network commands such as ping, traceroute and DNS resolve on probes distributed worldwide. It is used to monitor, debug and benchmark internet infrastructure. It offers a REST API, CLI and integrations.
meshtastic.org
Meshtastic is an open source, community-driven project that uses LoRa radios as an off-grid communication platform in areas without reliable communications infrastructure. Devices rebroadcast messages to form a mesh network without cell towers, WiFi or internet, and can be paired with a phone or computer via Bluetooth, WiFi or USB. Clients include Apple and Android apps, a web client and a Python CLI/SDK.
mremoteng.org
mRemoteNG (Multi-Remote Next Generation) is an open-source, tabbed remote connections manager for Windows. It presents remote connections in a single interface and supports multiple protocols including RDP, VNC, SSH, and HTTP/S.
mypublicwifi.com
MyPublicWiFi helps inspect Wi-Fi networks, signal details, and wireless connection information.
netbalancer.com
NetBalancer is a Windows application for local network traffic control and monitoring. It allows setting download and upload priorities or limits for any process, and defining traffic rules based on time of day, protocol or application type. Deep packet inspection can monitor and limit unwanted traffic.
packetsender.com
Packet Sender is a free, open source utility for sending and receiving network packets, with support for TCP, UDP, SSL and DTLS. It includes a built-in HTTP client for GET/POST requests, panel generation, a command line interface for scripting, and runs on Windows, Mac and Linux.
ping.pe
ping.pe helps test latency, packet loss, routing paths, and network reachability.
pinging.net
Pinging.net is a web tool for testing and monitoring an internet connection. It reports status for HTTP, DNS, WebRTC and the browser, and shows web ping statistics including last, minimum, maximum and average values and packet loss, with updates every 30 seconds.
portchecker.co
Port Checker is a free online tool for checking open ports on a computer or device and verifying port forwarding setup on a router. It can help diagnose connection errors and problems with firewall setup, and supports entering a custom target IP address.
trippy.cli.rs
Trippy provides network diagnostics for checking connectivity, traffic, devices, or internet performance.
wireshark.org
Wireshark is a free and open-source network protocol analyzer that lets users capture and interactively browse the traffic running on a computer network, providing deep inspection of hundreds of protocols. It runs on most computing platforms including Windows, macOS, Linux, and UNIX, and can also be built from source on other platforms.
bufferbloat.libreqos.com
LibreQoS Test helps test internet speed, latency, and connection quality from a browser or command line.
api.webprobe.org
NetBlocks provides network diagnostics for checking connectivity, traffic, devices, or internet performance.
librespeed.org
LibreSpeed is a free and open source speedtest that runs in the browser or can be self-hosted on a PHP, Golang, Rust or Node server. It is licensed under LGPL and measures download, upload, ping, and jitter without Flash, Java, or Websockets.
openspeedtest.com
OpenSpeedTest is a browser-based HTML5 internet speed test that measures download, upload, ping, and jitter without Flash or Java. It works on phones, TVs, consoles, and computers. A free and open-source self-hosted server can be deployed, and a speed test widget can be embedded on websites or apps.
portcheckers.com
PortChecker is a free online tool for checking whether the ports of an internet-connected device are open or closed. It can also ping a remote server and test port forwarding settings. The tool attempts a TCP connection and reports success or a port open signal. Checking requires the computer to be reachable via a public IP address or have a port forwarded.
mxtoolbox.com
Network diagnostic toolbox for DNS, MX, blacklist, SMTP, and domain health checks.
macaddress.io
MAC Address looks up MAC address vendors and device manufacturer information.