13 open-source CDN, DNS & Domains vendors
Open-source software for CDN, DNS & Domains that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 13
- European
- 7
- last checked
- 9 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100deSECGermany · EU sovereignFree DNS hosting with DNSSEC support run by a German non-profit
- Sovereignty score 94 out of 100Knot DNSCzechia · Self-hosted / open sourceAdvanced, open-source authoritative nameserver developed by Czech registry CZ.NIC, optimised for extreme traffic peaks and DNSSEC automation.
- Sovereignty score 94 out of 100Knot ResolverCzechia · Self-hosted / open sourceModular, C- and Lua-based open-source recursive DNS resolver from Czech registry CZ.NIC, with a strong focus on DNS-over-TLS (DoT). A separate product from the authoritative Knot DNS nameserver.
- Sovereignty score 94 out of 100NSDNetherlands · Self-hosted / open sourcePurely-authoritative, open-source nameserver by Dutch foundation NLnet Labs, designed for extreme reliability and speed. Used by various global root servers and TLDs.
- Sovereignty score 94 out of 100PowerDNSNetherlands · Self-hosted / open sourceOpen-source DNS server software with authoritative and recursive capabilities
- Sovereignty score 94 out of 100Traefik ProxyFrance · EU sovereignModern open-source edge router and HTTP reverse proxy, designed to expose dynamic microservice architectures. Developed by Traefik Labs SAS (Lyon, France).
- Sovereignty score 94 out of 100Varnish CacheSweden · EU sovereignThe de facto open-source standard for HTTP acceleration and web caching, the foundation for building your own enterprise CDN. Developed by Varnish Software AB (Stockholm, Sweden).
- Sovereignty score 71 out of 100Apache Traffic ServerUnited States · Self-hosted / open sourceFast, scalable open-source caching proxy server used by large global networks as a CDN building block. A project of the Apache Software Foundation (US).
- Sovereignty score 71 out of 100BIND9United States · Self-hosted / open sourceThe most traditional and versatile open-source DNS suite in the world (authoritative and/or recursive in one binary), essential for complex enterprise zone transfers. Maintained by ISC (Internet Systems Consortium, US).
- Sovereignty score 71 out of 100CoreDNSUnited States · Self-hosted / open sourceFlexible, Go-based open-source DNS server that is the standard for service discovery within cloud-native Kubernetes environments. A CNCF (Cloud Native Computing Foundation) project.
- Sovereignty score 71 out of 100DNSControlUnited States · Self-hosted / open sourceOpen-source system for managing DNS zones as code (DNS-as-Code) via Git pipelines, compatible with 74+ providers. Developed by Stack Exchange, Inc. (New York, US).
- Sovereignty score 71 out of 100Envoy ProxyUnited States · Self-hosted / open sourceOpen-source edge and service proxy designed for large-scale cloud-native service meshes, with full control over data routing. Originally built at Lyft, now a CNCF project.
- Sovereignty score 71 out of 100NginxUnited States · Self-hosted / open sourceClassic open-source webserver and reverse proxy, excellent for locally caching static content and SSL offloading. Originally Russian (Igor Sysoev), owned by US-based F5, Inc. since 2019.
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