Open source NextDNS alternatives

Every project in the catalog is MIT, Apache or BSD licensed. 0 projects explicitly describe themselves as a NextDNS alternative; 19 more are in the category where NextDNS is a typical product.

Open source projects in the same category: DNS & Ad Blocking

Category-level information: these projects are the same kind of software as NextDNS; they have not claimed to be a one-to-one replacement.

GO

ginuerzh · DNS & Ad Blocking

STARS18.3K
FORKS2.6K
COMMITS648
CONTRIBUTORS38
VERSIONv2.12.0
UPDATED2 mo ago
GoProxyTünellemeNetworkingMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You can run it as a Standard HTTP or SOCKS5 proxy server.
  • You can route local TCP and UDP ports to remote addresses.
  • You can set up multi-level routing by chaining multiple proxy servers.
User reviews
  • ↑ PositiveHacker News

    GOST cryptography – Russian Federation’s cryptographic algorithms

    “I don't follow this objection even a little bit, but I'm also not very motivated to try, so: no need to clarify. I'm just going to reiterate. I am making a very simple point. If you don't trust NIST standards because you think they're backdoored, but won't run Russian standards…”

  • ↓ NegativeHacker News

    GOST cryptography – Russian Federation’s cryptographic algorithms

    “If you think standard A is good except for a potential backdoor with the key held by entity X and you think standard B is good except for a potential backdoor held by entity Y and you assume entity X and entity Y do not cooperate, then composing A and B is completely reasonable.…”

CL

cloudflare · DNS & Ad Blocking

STARS16.4K
FORKS1.5K
COMMITS—
CONTRIBUTORS135
VERSION2026.7.3
UPDATEDtoday
dnsdohcloudflareTunnelApache-2.0

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • Forward traffic over the Cloudflare network to source servers without opening a port on the firewall
  • You provide access to tunnel-protected origin sources for Layer 4 TCP traffic such as SSH and RDP
  • You install on different operating systems with standard binary files, Docker images, or package managers
Heads up
  • • High number of open issues (574)
User reviews
  • ↓ NegativeHacker News

    Tunnel Vision: CloudflareD AbuseD in the Wild

    “"Winning" and "Losing" are not a great framework for this sort of analysis. In that binary framework, there's no difference between "1 bit of sensitive data was leaked" and "the medical and financial records of every person ever, nuclear launch codes, and the backdoor that…”

  • • NeutralHacker News

    Tunnel Vision: CloudflareD AbuseD in the Wild

    “> If an attacker is capable of installing apps on your server... you've already lost. You're right, but cloudflared is a whole lot easier to get running than previous RATs, and attackers don't need to operate their own c&c infrastructure - you can't defend yourself from such…”

CO

coredns · DNS & Ad Blocking

STARS14.4K
FORKS2.5K
COMMITS—
CONTRIBUTORS486
VERSIONv1.9.4
UPDATEDyesterday
DNSKubernetesCNCFGoApache-2.0

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You manage DNS queries using Kubernetes as the backend
  • With the plugin mechanism, you cache zone data and instantly sign with DNSSEC
  • You configure queries as a server or router to forward them to another recursive name server
User reviews
  • • NeutralHacker News

    CoreDNS: DNS service discovery for the cloud

    “Indeed! It's a delicate balance between being informative and talking down the competition, but I wish more projects did this. K8S uses SkyDNS and CoreDNS says it's a full replacement for sky just with more features. From quick eyeballing of the site, these new features include:…”

  • • NeutralHacker News

    CoreDNS: DNS service discovery for the cloud

    “CoreDNS is very cool. You can try it without any downloads or configuration using a Katacoda interactive scenario at”

GO

OJ · DNS & Ad Blocking

STARS14.3K
FORKS1.6K
COMMITS607
CONTRIBUTORS25
VERSIONv3.8.2
UPDATED3 days ago
GoPenetration TestingSecurityBrute-forceApache-2.0

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You can list hidden directories and files on web servers.
  • With Wildcard support, you can find DNS subdomains.
  • You can detect virtual servers on target web servers.
User reviews
  • • NeutralGitHub Issue

    Add SOCKS proxy support

    “At the moment we support HTTP/S proxies, but we don't support SOCKS from what I can tell. I have tried making use of the environment variables but this doesn't work. So we need to bake this in.”

  • • NeutralGitHub Issue

    Enhancement Reqeust: Status and Pause/Resume

    “What is the plausibility of you adding a status hotkey to return where gobuster is currently at in the wordlist and also a pause/resume? Or a switch to start at a specific position in a wordlist?”

DN

DNSCrypt · DNS & Ad Blocking

STARS13.8K
FORKS1.1K
COMMITS—
CONTRIBUTORS111
VERSION2.1.9
UPDATEDyesterday
dnsEncryptiondohPrivacyBSD / ISC

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You secure DNS traffic by encrypting and verifying identity
  • Hide client IP address via Tor, SOCKS proxy or Anonymous DNS transponders
  • You filter to block ads, malware, and unwanted content
User reviews
  • ↑ PositiveGitHub Issue

    [Thread] Running dnscrypt-proxy on Android

    “Current status: - The proxy compiles without any changes using `gomobile` - It also compiles and runs fine on Termux This is fantastic, but not enough for most Android users to easily install and use it. Since my knowledge of Android is fairly limited, help would be welcome!”

  • ↑ PositiveGitHub Issue

    [Thread] dnscrypt-proxy on iOS

    “[DNSCloak]( takes advantage of the [DNS proxy provider]( system introduced in iOS 11 to bring the DNSCrypt protocol to Apple devices. Devices don't have to be jailbroken to install this software. This is great, but it apparently uses code from dnscrypt-proxy v1, it is not…”

MY

jason5ng32 · DNS & Ad Blocking

STARS12.3K
FORKS1.3K
COMMITS1.8K
CONTRIBUTORS23
VERSIONv7.5.0
UPDATEDtoday
JavaScriptNetwork ToolsDockerPrivacyMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You can control network privacy by checking WebRTC and DNS leaks.
  • You can test global network accessibility and internet speed from different locations.
  • You can do detailed Whois and ASN queries for IP addresses and domain names.
RE

is-a-dev · DNS & Ad Blocking

STARS11.7K
FORKS33.8K
COMMITS91.3K
CONTRIBUTORS407
VERSION—
UPDATEDtoday
JavaScriptSubdomainDNSCloudflareMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You get a free .is-a.dev subdomain for your personal website.
  • You start the registration process by opening a request to fork and pull the tank.
  • You report misused subdomains through relevant channels.
Heads up
  • • No published release
User reviews
  • ↑ PositiveHacker News

    Square Register

    “This looks awesome! It's important they get this kind of product right on the first release -- because small business owners can't tolerate 'beta' for something so critical as their cash register. Case in point: One of my favorite restaurants in Seattle was using iPads for…”

  • • NeutralHacker News

    Square Register

    “Square will be in trouble if NFC takes off. That is why its coming up with what I think is its main product line, the register. The credit card reader thingy is not where it makes money. Once prople get hooked on the analytics it can hope to add the NFC functionality in and…”

LE

go-acme · DNS & Ad Blocking

STARS10.0K
FORKS1.2K
COMMITS0
CONTRIBUTORS0
VERSIONv5.5.1
UPDATEDtoday
GoACMELet's EncryptSSLMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You can get ACME certificates with HTTP, DNS and TLS verification methods.
  • You can perform DNS verification using more than one hundred DNS providers.
  • You can renew or cancel your existing certificates.
User reviews
  • • NeutralHacker News

    Bricks and Minifigs Stole a Man's $200k Lego Collection

    “Only tangentially related, there was a "500-year" flood in my region a couple of years ago and a manager in my department who would shortly become the company president had his house flood. I volunteered to help with cleanup and ended up at his house tearing his basement, at one…”

  • • NeutralHacker News

    Bricks and Minifigs Stole a Man's $200k Lego Collection

    “Lego survives being eaten by babies and poop back out again (source: my younger brother). They also survive being left out at theme parks (ie the various Legolands) and primary schools under all weather conditions for months and years. So I don't think I'm underestimating the…”

EX

kubernetes-sigs · DNS & Ad Blocking

STARS9.1K
FORKS3.0K
COMMITS0
CONTRIBUTORS0
VERSIONv0.23.0
UPDATEDyesterday
GoKubernetesDNSControllerApache-2.0

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You make Kubernetes services and ingress discoverable on public DNS servers.
  • Using domain filtering, you pair certain DNS regions with Kubernetes sources.
  • Using the dry-run mode, DNS provider API anticipates changes to be sent.
User reviews
  • ↑ PositiveHacker News

    Kubernetes, ingress-Nginx, cert-manager and external-DNS

    “While certain aspects of the article are GCP specific, part of the motivation of using ingress-nginx and cert-manager is to make the solution more generically applicable to _any_ Kubernetes cluster. The specific commands used to spin up the infrastructure, the workload identity…”

  • • NeutralHacker News

    Kubernetes, ingress-Nginx, cert-manager and external-DNS

    “You should post a link to your article in the community blog post section of the external-dns GitHub readme”

DN

dns

65

miekg · DNS & Ad Blocking

STARS8.8K
FORKS1.2K
COMMITS0
CONTRIBUTORS0
VERSION—
UPDATED29 days ago
GoDNSDNSSECLibraryBSD-3-Clause

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You build DNS servers and solvers (resolvers).
  • You manage all Resource Records, including DNSSEC types.
  • With a small API, you program DNS in Go.
Heads up
  • • No published release
User reviews
  • ↓ NegativeHacker News

    1.1.1.1: Fast, privacy-first consumer DNS service

    “You seem to know an awful lot about this specific case, and I'll defer to you on that. I know about the general case, technically speaking (though merely a DNS hobbyist). However, having a business relationship with another organization is not a right. Hate speakers are not a…”

  • • NeutralHacker News

    1.1.1.1: Fast, privacy-first consumer DNS service

    “ARRIS Group, Inc. TG1682G less than a year old. This is what everyone has in Denver, as far as I'm aware. Most of the devices settings aren't managable by its own web interface, I have to go to xfinity.com/myxfi and login to the account, and then it pushes changes to the cable…”

BL

0xERR0R · DNS & Ad Blocking

STARS7.1K
FORKS318
COMMITS—
CONTRIBUTORS86
VERSIONv0.9.1
UPDATEDtoday
DNSAd-BlockingGoSelf-HostedApache-2.0

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • Block DNS queries with external lists, Regex and CNAME control
  • With cache and prefetching features, you increase the DNS response speed
  • You analyze queries by saving them to CSV or different databases
User reviews
  • • NeutralHacker News

    Blocky – a DNS proxy and ad-blocker for the local network

    “It looks like it's much easy to setup DoH with blocky. Blocky's DoT doesn't work for me but it's a pain to setup with Pi-hole and it's impossible to make DoH work in Pi-hole.”

  • • NeutralHacker News

    Blocky – a DNS proxy and ad-blocker for the local network

    “Blocky is better because it uses less resources ,only a single yml onfig file and dns queries are faster as it's stateless”

UN

NLnetLabs · DNS & Ad Blocking

STARS5.0K
FORKS469
COMMITS—
CONTRIBUTORS141
VERSIONrelease-1.9.6rc1
UPDATED4 days ago
DNSRecursiveSecurityCBSD / ISC

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You can compile from source code by installing C tool chain, OpenSSL and libexpat dependencies
  • You can configure it with libevent support to use a large number of external ports
  • You can manage configuration settings by examining the unbound.conf(5) guide page
User reviews
  • ↑ PositiveHacker News

    Show HN: WireHole combines WireGuard, Pi-hole, and Unbound with an easy UI

    “My setup on Raspberry Pi 3 is - Dietpi [1] - Unbound - Wireguad via PiVPN [2] - AdGuard, as a replacement of PiHole, never went back Every time I tried to move it to a container-based solution (Portainer is quite helpful), I went into problems here and there, adding more…”

  • • NeutralHacker News

    Show HN: WireHole combines WireGuard, Pi-hole, and Unbound with an easy UI

    “Dnsmasq needs an upstream server to resolve the DNS queries. That upstream server can be anything, Google, Cloudflate, Quad9, or, a local Unbound instance. You run an unbound server with a static IP, and point dnsmasq to said static IP. OPs setup has this configured through…”

DD

DDNS

New80

NewFuture · DNS & Ad Blocking

STARS4.7K
FORKS670
COMMITS0
CONTRIBUTORS0
VERSIONv4.2.0
UPDATED4 days ago
PythonDDNSCloudflareDockerMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You can synchronise IPv4 and IPv6 addresses with DNS records by configuring them via command line, JSON file, or environment variables.
  • Docker can continuously run the client you set up with pip, binary file, or source code methods with the systemd, cron, or local web interface.
  • You can verify the update chain with the Debug provider that doesn't change the actual DNS records before switching to live service.
User reviews
  • • NeutralHacker News

    Free DDNS with Cloudflare and a cronjob

    “There's one gotcha tho. For Dynamic DNS you want minimal TTL, ideally less than 60 seconds, otherwise the DNS records will be cached and will not reflect the correct address during the short period of time window it changes. Dedicated DDNS services usually have very short TTL…”

  • • NeutralHacker News

    Free DDNS with Cloudflare and a cronjob

    “I also wrote my own pseudo-DDNS recently! With inspiration from a couple of similar projects on github Mine is a golang executable that runs directly on my OpenWRT-based router on a 30 minute cron job. The beauty of running it on my router directly is that I can simply query the…”

Verified against README · Oct 25, 2026 · source

IN

projectdiscovery · DNS & Ad Blocking

STARS4.6K
FORKS488
COMMITS0
CONTRIBUTORS0
VERSIONv1.4.1
UPDATEDyesterday
GoSecurityOOBScannerMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You detect off-band interactions through the DNS, HTTP(S), SMTP(S) and LDAP protocols.
  • You collect interaction data using different clients, such as CLI, web, Docker or Burp.
  • You set up your own interaction server with automatic ACME based wildcard TLS and AES encryption.
User reviews
  • • NeutralGitHub Issue

    interactsh.com is down?

    “interactsh.com is down?”

  • ↓ NegativeGitHub Issue

    Errors in TXT propagation during SSL certificate update/installation

    “The certificate update randomly fails due to delays/issues in the TXT record propagation containing the challenge: ``` # ./interactsh-server -domain abcd.efg -ip xxx.xxx.xxx.xxx -listen-ip xxx.xxx.xxx.xxx 2021/12/15 14:24:28 Creating new order for domains: [*.abcd.efg abcd.efg]…”

NE

nextdns · DNS & Ad Blocking

STARS4.2K
FORKS247
COMMITS—
CONTRIBUTORS46
VERSIONv1.9.6
UPDATEDtoday
DNSDOHCLIGoMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You manage the NextDNS DNS-over-HTTPS service over the command line
  • You configure and run as a client on router and UNIX-based systems
  • You use it with different DoH providers or split-horizon configurations
User reviews
  • • NeutralGitHub Issue

    Support: Ubiquiti Unifi Dream Machine (UDM)

    “Following on from #48. Device: It runs a variant of Linux called UbiOS _(Ubiquiti OS)_, which _seems_ to be a variant of Alpine Linux. ```sh # sh -c 'sh -c "$(curl -sL ERROR: Unsupported OS: Linux INFO: OS: INFO: GOARCH: arm64 INFO: GOOS: linux ERROR: Cannot detect running…”

  • • NeutralGitHub Issue

    UDMP SE - firmware 2.X does not use UbiOS or Podman. CLI starts after reboot and breaks dnsmasq. Only listens on 53.

    “The UDMP SE runs on Debian, not UbiOS and there are no containers. It’s firmware is 2.x branch which would indicate the UDM and UDMP will be moving to this branch. It installed fine but throws this error on startup: Startup failed: proxy: tcp: listen tcp :53: bind: address…”

ES

M-Abozaid · DNS & Ad Blocking

STARS3.5K
FORKS384
COMMITS0
CONTRIBUTORS0
VERSIONblocklist
UPDATED25 days ago
C++ESP32-C3DNS Ad-blockerEmbeddedMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • Using hash tables stored in flash memory, you search for domain names in about 10 milliseconds.
  • You provide UDP DNS black hole and web interface management, which runs on about 50 KB RAM consumption.
  • You install an ad blocking system on low-cost ESP32-C3 hardware that does not require extra PSRAM.
User reviews
  • ↓ NegativeGitHub Issue

    ESP32-S ad blocker — step-by-step guide

    “12 de out. de 2026 · @shinjeikari With a cheap ESP32 board and about an hour, your whole home blocks ads and trackers, with nothing to install on phones, TVs or computers. The guide uses the open-source project esp32-c3-adblock and is written for people who have never…”

DN

AdguardTeam · DNS & Ad Blocking

STARS3.4K
FORKS346
COMMITS—
CONTRIBUTORS37
VERSIONv0.9.9
UPDATEDyesterday
dnsdohdotproxyApache-2.0

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You run a DNS server that supports DNS-over-TLS, DNS-over-HTTPS, DNSCrypt and DNS-over-QUIC protocols
  • Configure additional features such as DNS cache, DNS64 and EDNS Client Subnet
  • Manage proxy settings with YAML configuration file or command line parameters
User reviews
  • ↑ PositiveGitHub Issue

    bogus_nxdomain does not block responses when at least one IP address is not listed as bogus

    “1. When the "fastest address" mode is turned on, the "bogus-nxdomain" function does not seem to work. 2. In the "fastest address" mode, AGH seems to ignore the network environment: for example, after artificially blocking the IP address and confirming that it has been blocked,…”

AD

lissy93 · DNS & Ad Blocking

STARS1.7K
FORKS89
COMMITS0
CONTRIBUTORS0
VERSION1.8.0
UPDATED9 days ago
adguarddnsrustterminalMIT

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • AdGuard Home'a gelen DNS sorgularını terminalde gerçek zamanlı izleyebilirsin.
  • İzin verilen, filtrelenen ve engellenen sorgu sayılarını tek ekranda görebilirsin.
  • Geçmiş sorgu sayılarından eğilimleri ve olağandışı etkinliği tespit edebilirsin.
User reviews
  • • NeutralGitHub Issue

    Docker error: Failed to run: Failed to send query data

    “Hi! I am running the latest docker and the latest adguard home version (0.107.29) and can't get it working: Log: ``` Welcome to AdGuardian Terminal Edition! Terminal-based, real-time traffic monitoring and statistics for your AdGuard Home instance For documentation and support,…”

  • • NeutralGitHub Issue

    [arm64] exec format error

    “[arm64] exec format error”

Verified against README · Oct 29, 2026 · source

ST

getdnsapi · DNS & Ad Blocking

STARS1.3K
FORKS105
COMMITS—
CONTRIBUTORS35
VERSIONv0.4.3
UPDATED1 yr ago
dnsPrivacytlsEncryptionBSD / ISC

Common commercial products in this category: NextDNS, Cisco Umbrella, AdGuard DNS

What can it do?
  • You encrypt DNS queries on the local machine via TLS to ensure privacy
  • Run as background service and manage DNS queries in network traffic
  • Connect to DNS Privacy servers by manually configuring the system DNS settings or using interface tools
Heads up
  • • Last update over 1 year ago
User reviews
  • • NeutralGitHub Issue

    Stubby unable to connect to Cloudflare's 1.1.1.1 (WINDOWS)

    “Stubby is unable to connect to 1.1.1.1 for DNS-over-TLS cause it cannot validate the certificate on **Windows 10 Build 16299** Following configuration **should** work: ```yaml upstream_recursive_servers: - address_data: 1.1.1.1 tls_pubkey_pinset: - digest: "sha256" value:…”

  • • NeutralGitHub Issue

    Error in `/usr/bin/stubby': double free or corruption

    “Observed this in my journal when I woke up this morning. >Dec 26 01:22:01 debian stubby[29787]: [14:22:01.795784] STUBBY: Read config from file /etc/stubby/stubby.yml >Dec 26 01:22:01 debian stubby[29787]: [14:22:01.796863] STUBBY: Starting DAEMON.... >Dec 26 05:53:43 debian…”