1
Quad9
quad9.netAlso covers network tools · same kind of website
Route DNS queries through Quad9, a free public recursive resolver focused on security and privacy.
Alternatives
The Best JS.ORG Alternatives in 2026
24 alternatives5 free · 3 open source
Looking for something like JS.ORG? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 5 are free or have a free plan and 3 are open source.
Get a free JavaScript-focused web address through JS.ORG for hosting a project on GitHub Pages.
Top picks at a glance
First suggestionQuad9Route DNS queries through Quad9, a free public recursive…Free or freemium optionClouDNSManage domains and use free, cloud, or managed DNS hosting…Open source optionNsupdate.infoRun nsupdate.info as a free dynamic DNS service or use its…Another optionDuckDNSUse DuckDNS for free dynamic DNS and map a changing IP…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Quad9 | — | Not stated | Web |
| 2 | DuckDNS | — | Not stated | Web |
| 3 | ClouDNS | Free | Not stated | Web |
| 4 | FreeDNS | — | Not stated | Web |
| 5 | deSEC | — | Not stated | Web |
| 6 | MAC Address Lookup | Free | Not stated | macOS, Web |
| 7 | IP Lookup | — | Not stated | Web, Windows |
| 8 | Cloudflare Speed Test | — | Not stated | Web |
| 9 | Hurricane Electric | Free | Not stated | Web |
| 10 | Check-Host | — | Not stated | Linux, Web, Windows |
All JS.ORG alternatives
2
DuckDNS
duckdns.orgAlso covers network tools · same kind of website
Use DuckDNS for free dynamic DNS and map a changing IP address to a hostname.
3
Also covers network tools · same kind of website · free
Manage domains and use free, cloud, or managed DNS hosting with ClouDNS.
4
FreeDNS
freedns.afraid.orgAlso covers network tools · same kind of website
Manage free, dynamic, and static DNS hosting, subdomains, and web forwarding through FreeDNS.
5
deSEC
desec.ioAlso covers network tools · same kind of website
Manage domain records with deSEC, a free DNS hosting service for publishing DNS entries.
6
Also covers network tools · free
Enter a MAC address or OUI to find its vendor using IEEE and Wireshark manufacturer data; a REST API is also available.
7
IP Lookup
ifconfig.meAlso covers network tools
ifconfig.me displays a visitor’s public IP address and provides an API for IP geolocation data.
8
Also covers network tools · same kind of website
Cloudflare Speed Test measures download, upload, latency, jitter, and packet loss for an internet connection.
9
Also covers network tools · free
Host DNS records for domains with Hurricane Electric’s free DNS service.
10
Check-Host
check-host.netAlso covers network tools
Check-Host monitors websites and checks servers, IP addresses, and host availability.
11
Also covers network tools · open source · free
Run nsupdate.info as a free dynamic DNS service or use its software to host your own service.
12
Cloudflare 1.1.1.1
developers.cloudflare.com/1.1.1.1/ip-addressesAlso covers network tools · same kind of website
Find the IPv4 and IPv6 addresses for Cloudflare 1.1.1.1 and its family DNS resolvers in the service documentation.
13
is-a.dev
is-a.devAlso covers network tools · same kind of website
Request a free .is-a.dev subdomain by following the registration steps in the project repository.
14
Also covers network tools · open source
Trace network latency by continuously pinging each host between a computer and its destination.
15
Also covers network tools · open source
Switch between host file configurations on macOS, Linux, and Windows with SwitchHosts.
16
DigitalPlat
domain.digitalplat.orgAlso covers network tools · same kind of website
Register a public namespace and connect it to a preferred DNS provider through DigitalPlat Domains.
17
Also covers network tools · same kind of website · free
Manage dynamic DNS, domain registration, email, and SSL services through Dynu.
18
DNS.SB
dns.sbAlso covers network tools · same kind of website
Resolve DNS queries with DNS.SB, which supports DNS over HTTPS and DNS over TLS.
19
LibreQoS Test
bufferbloat.libreqos.comAlso covers network tools · same kind of website
LibreQoS Test measures connection quality and latency while a network is under load.
20
LibreSpeed
librespeed.orgAlso covers network tools · same kind of website
LibreSpeed measures internet speed in a browser and can also be self-hosted as open-source software.
21
NetBlocks
api.webprobe.orgAlso covers network tools · same kind of website
NetBlocks Internet Performance Monitor checks network connectivity and performance issues.
22
Pinging
pinging.netAlso covers network tools · same kind of website
Pinging.net monitors internet connectivity and displays network status measurements.
23
Globalping
globalping.ioAlso covers network tools · same kind of website
Globalping runs latency tests and network commands from probes around the world.
24
Networking Toolbox
networkingtoolbox.netAlso covers network tools · same kind of website
Networking Toolbox offers online tools for IP addressing and subnet calculations.
No alternatives match this filter.
Alternatives to similar tools
Cloudflare Speed Test24 alternativesNsupdate.info24 alternativesCheck-Host24 alternativesCloudflare 1.1.1.124 alternativesis-a.dev24 alternativesHurricane Electric24 alternatives
What is the best alternative to JS.ORG?
Based on features, tags and platforms, the closest alternatives to JS.ORG are Quad9, DuckDNS, and ClouDNS.
Is there a free alternative to JS.ORG?
Yes. ClouDNS, MAC Address Lookup, and Hurricane Electric are free or offer a free plan.
Are there open-source alternatives to JS.ORG?
Yes: Nsupdate.info, PingTracer, and SwitchHosts.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative