Alternatives and competitors

Sites like NLnet Labs

The 20 closest DNS and routing software alternatives to NLnet Labs, ranked by what they actually offer, and the 6 technologies behind it.

Looking for an alternative to NLnet Labs? The closest matches are Internet Systems Consortium, OSF and Apache Software Foundation. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours: k = 20
Sites searched: 4,032
Vector: 384-d
Query: 18 ms

01 · Entity

About NLnet Labs

NLnet Labs nlnetlabs.nl

NLnet Labs - Home

Research & Development, Internet architecture, DNS, Routing, Stability and Security.

Wikidata: Dutch network research laboratory

Top 10K · #1,887 English 6 technologies Crawled Nov 6, 2026

Visit NLnet Labs

Summary by Claude

Nonprofit foundation that develops open source DNS and internet routing software (NSD authoritative nameserver, Unbound recursive resolver, Krill and Routinator for RPKI, Rotonda BGP platform) and offers professional support for it.

Who it’s for: Network operators, ISPs, DNS operators
Business model: Nonprofit; support contracts and funding

02 · Embedding space

Competitor map

Each alternative by how close its vector is to NLnet Labs’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

03 · Nearest neighbours

Alternatives to NLnet Labs

Thumbs up if it’s a real alternative to NLnet Labs, thumbs down if it isn’t.

Only in English

01
OSF osf.io Top 10K English

OSF

tools that make open science practice easier
Very close cos 0.907
02
Apache Software Foundation apache.org Top 1K English

Welcome to The Apache Software Foundation | Apache Software Foundation

American nonprofit open-source software community
Very close cos 0.903
03
Netnod netnod.se Top 10K English

Start | Netnod

internet exchange in Sweden
Very close cos 0.900
04
Let's Encrypt letsencrypt.org Top 10K English

Let's Encrypt

Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.
Very close cos 0.900
05
Eclipse Foundation eclipse.org Top 10K English

Eclipse Foundation | Powering Open Innovation

The Eclipse Foundation hosts 450+ open source projects with vendor-neutral governance, enabling global collaboration in automotive, IoT, cloud, and emerging …
Very close cos 0.896
06
Network Solutions networksolutions.com Top 10K English

Security check | Network Solutions

American-based technology company and a subsidiary of Web.com
Very close cos 0.897
07
IETF ietf.org Top 1K English

IETF | Internet Engineering Task Force

The Internet Engineering Task Force (IETF) is the premier Internet standards body, developing open standards through open processes.
Very close cos 0.895
08
OWASP owasp.org Top 10K English

OWASP Foundation - The Open Source Foundation for Application Security

OWASP is the nonprofit behind the Top 10, ASVS, ZAP, and hundreds more free application security projects. Explore our tools, standards, local chapters, global events, and news from a community of 250+ chapters worldwide.
Close cos 0.892
09
DOI.org query endpoint doi.org Top 1K English

Home Page

API endpoint
Close cos 0.893
10
EuroDNS eurodns.com Top 10K English

EuroDNS: Domains, Hosting & Web Essentials All In One Place

Find a domain, launch your website, and make it happen with us! From hosting, to SSL, to branded email: EuroDNS has everything you need in one place.
Very close cos 0.896
11
Drupal drupal.org Top 10K English

Client Challenge

free and open-source web content management system
Close cos 0.893
12
MariaDB mariadb.org Top 10K English

MariaDB Foundation - MariaDB.org

database management system, relational, open source, community developed fork of MySQL
Close cos 0.891
13
easyDNS easydns.com Top 10K English

easyDNS - DNS, Domains, Web and Email Hosting Since 1998

The DNS Professionals: Anycast, Dynamic DNS, Enterprise DNS, Secondary DNS with TSIG, DNSSEC. We also offer web hosting, email and VPS. Amazing Support.
Close cos 0.893
14
DFN dfn.de Top 10K English

Home - DFN

German association for academic research
Close cos 0.889
15
DNS Made Easy dnsmadeeasy.com Top 1K English

Managed DNS Business Services & Solutions Provider | a DigiCert Company

DNS Made Easy powered by DigiCert provides high-performance managed DNS services with 100% uptime, low-latency resolution, enhanced security, and simplified DNS management.
Close cos 0.890
16
ICANN icann.org Top 10K English

Internet Corporation for Assigned Names and Numbers (ICANN)

ICANN’s mission is to help ensure a stable, secure, and unified global Internet.
Close cos 0.891
17
Quad9 quad9.net Top 10K English

Quad9 | A public and free DNS service for a better security and privacy

A public and free DNS service for a better security and privacy
Close cos 0.888
18
Wikimedia movement wikimedia.org Top 1K English

Wikimedia Error

global social movement for free educational knowledge
Close cos 0.891
19
Zenodo zenodo.org Top 10K English

Zenodo

research data repository
Close cos 0.889
20
NextDNS nextdns.io Top 10K English

NextDNS - The new firewall for the modern Internet

NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids — on all devices and on all networks.
Close cos 0.889

Ranked by score: the cosine similarity of each site’s vector to nlnetlabs.nl’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones NLnet Labs uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What NLnet Labs is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

JavaScript libraries: jQuery asset https://nlnetlabs.nl/theme/js/jquery-3.2.1.min.js
CSS & UI: Bootstrap asset https://nlnetlabs.nl/theme/js/bootstrap.min.js
Font Awesome asset https://use.fontawesome.com/releases/v7.3.1/js/all.js
Fonts: Adobe Fonts asset https://use.typekit.net/cxt3dey.css
Web servers: nginx header server: nginx/1.26.3
Email hosting: Google Workspace TXT v=spf1 +a include:_spf.google.com include:mailbox.org ip4:185.49.140.…

Stack changes

No changes yet. Each new crawl is compared with the last one, and what NLnet Labs adds or drops shows up here.

What competitors use

Across the 20 closest sites.