Best Self-hosted Core Network Services (DNS, DHCP, IPAM) tools in 2026

19 self-hosted open source alternatives in this category

19 services found

Pi-hole

Pi-hole

Network-wide DNS sinkhole for ad and tracker blocking

55.9k
3k
Last commit: 8d ago

Pi-hole is a network-wide DNS sinkhole that blocks ads and trackers for all devices on your network, with a web dashboard, query logs, and optional DHCP server.

Alternative to:
AdGuard
AdGuard
+7
AdGuard Home

AdGuard Home

Network-wide DNS server that blocks ads, trackers, phishing and malware

32.8k
2.3k
Last commit: 7h ago

Open-source DNS-based ad & tracker blocking server for networks. Offers per-device rules, parental controls, encrypted upstream DNS (DoH/DoT/DNSCrypt), web UI and API.

Alternative to:
AdGuard
AdGuard
+5
MyIP (IPCheck.ing)

MyIP (IPCheck.ing)

Open-source IP toolbox for IP, DNS, WebRTC and network diagnostics

9.8k
1.1k
Last commit: 15d ago

MyIP (IPCheck.ing) is an open-source web IP toolbox that detects local/public IPs, runs DNS leak and WebRTC checks, speed/latency/MTR tests, availability and whois lookup...

Alternative to:
WhatIsMyIPAddress.com
WhatIsMyIPAddress.com
+10
Technitium DNS Server

Technitium DNS Server

Authoritative and recursive DNS server with web console

7.6k
634
Last commit: 2mo ago

Cross-platform DNS server with authoritative/recursive modes, encrypted DNS (DoH/DoT/DoQ), DNSSEC, ad/malware blocking, DHCP, and an HTTP API with web admin UI.

Alternative to:
Cloudflare DNS
Cloudflare DNS
+10
Blocky

Blocky

Fast, lightweight DNS proxy and ad-blocker in Go

6.1k
267
Last commit: 5d ago

Open-source DNS proxy and network-wide ad-blocker for local networks. Supports DoH/DoT, per-client rules, caching, deep CNAME inspection, Prometheus metrics, Docker and H...

Alternative to:
NextDNS
NextDNS
+7
Unbound

Unbound

Validating, recursive, caching DNS resolver

4.3k
424
Last commit: 13h ago

Standards-based validating recursive DNS resolver with DNSSEC validation, DNS-over-TLS/HTTPS support and configurable caching for privacy and performance.

Alternative to:
Cloudflare DNS
Cloudflare DNS
+9
OPNsense

OPNsense

Open source firewall and routing platform for network security

4.3k
911
Last commit: 15h ago

OPNsense is an open source FreeBSD-based firewall and routing platform with a web GUI, API, VPN, traffic shaping, and security features for networks and homelabs.

Alternative to:
Fortinet FortiGate
Fortinet FortiGate
+12
ddclient

ddclient

Dynamic DNS update client for many DDNS and DNS providers

3.3k
380
Last commit: 1y ago

ddclient is a Perl-based Dynamic DNS client that detects IP changes and updates DNS records across many supported DDNS and DNS provider APIs.

Alternative to:
DynDNS
DynDNS
+5
DDNS Updater

DDNS Updater

Universal dynamic DNS updater with a web UI and multi-provider support

2.9k
251
Last commit: 1mo ago

Lightweight DDNS client to keep DNS A/AAAA records updated across many providers, available as a container or standalone binaries with a built-in web UI.

Alternative to:
No-IP
No-IP
+3
OpenStreetMap

OpenStreetMap

Collaborative map editing website and API for global geodata

2.6k
1k
Last commit: 8h ago

OpenStreetMap is a community-built map of the world with a web interface and APIs for editing, browsing, and accessing open geographic data.

bittorrent-tracker

bittorrent-tracker

BitTorrent tracker client and server for HTTP, UDP, and WebSockets

1.9k
331
Last commit: 5mo ago

Simple, robust BitTorrent tracker implementation for Node.js, providing client and server components with HTTP/UDP/WebSocket tracking and built-in stats endpoints.

AdGuardHome Sync

AdGuardHome Sync

Synchronize AdGuard Home configuration across replica instances

1.6k
51
Last commit: 2d ago

Sync AdGuard Home settings, filters, rewrites, DHCP/DNS config, and clients from an origin instance to one or more replicas on a schedule or on demand.

OpenPrinting CUPS

OpenPrinting CUPS

Standards-based printing system for Linux and Unix-like OSes

1.5k
269
Last commit: 5d ago

OpenPrinting CUPS is a standards-based printing system providing IPP print services, printer administration, and command-line tools for Linux and Unix-like systems.

Gravity

Gravity

Replicated DNS, DHCP & TFTP server with ad-blocking

906
26
Last commit: 11h ago

Fully-replicated DNS, DHCP and TFTP server with ad‑blocking, web UI, API, Prometheus metrics and multi-site replication for small to medium networks.

Alternative to:
Cisco OpenDNS (Umbrella)
Cisco OpenDNS (Umbrella)
+10
GoAway

GoAway

Lightweight DNS sinkhole with a web admin dashboard

686
32
Last commit: 10d ago

Self-hosted DNS sinkhole written in Go that blocks ads, trackers and malicious domains; provides a modern web dashboard, Docker support, DoT/DoH options and realtime stat...

Alternative to:
AdGuard
AdGuard
+5
DomainMOD

DomainMOD

Self-hosted domain and internet asset management application

579
120
Last commit: 1y ago

Open source PHP app to manage domains, SSL certificates, registrars, hosting, DNS, IPs, and related internet assets, with reporting and optional WHM/cPanel data warehousi...

Alternative to:
Domain-Monitor
Domain-Monitor
+3
UnrealIRCd

UnrealIRCd

Advanced, modular IRC server with security and IRCv3 support

501
151
Last commit: 9h ago

UnrealIRCd is an open-source, modular IRC server implementing IRCv3, TLS, anti-spam/flood protections, GeoIP and admin APIs for running public or private IRC networks.

Wakupator

Wakupator

LAN machine awakener using IP spoofing and Wake-on-LAN

163
3
Last commit: 18d ago

Lightweight C service that spoofs local IPs and sends Wake-on-LAN packets to automatically wake registered LAN machines when relevant traffic is detected.

GNUnet

GNUnet

Secure, decentralized networking stack for privacy-preserving applications

GNUnet is a network protocol stack and framework for building secure, distributed, privacy-preserving peer-to-peer applications and services.

Alternative to:
ZeroTier
ZeroTier