Open source. Open possibilities.

Technitium DNS Server is an open-source authoritative and recursive DNS server for self-hosting, featuring ad/malware blocking, encrypted DNS protocols (DoT/DoH/DoQ), DNSSEC, a web console, and clustering support.

GitHub520 is an open-source project that accelerates GitHub access by modifying the hosts file, fixing slow loading and image failures without installing software. It offers manual and automatic methods, supports multiple platforms, and updates hosts content regularly.

ExternalDNS is a Kubernetes controller that dynamically synchronizes exposed Services and Ingresses with external DNS providers like AWS Route 53, Google Cloud DNS, and Cloudflare, making cluster resources discoverable via public DNS.

AdGuard Home is a network-wide ads and trackers blocking DNS server that protects all home devices without requiring client-side software.

RootGuard is a self-hosted Docker Compose stack that combines AdGuard Home filtering with a private recursive Unbound resolver, adding DNSSEC validation and a unified web GUI for guided setup, local DNS, health checks, updates and rollbacks.

TurkeyBite is an open-source domain and host context analysis pipeline that analyzes client network traffic to categorize requested domains (e.g. adult content, gambling, shopping). It uses a Docker-based stack with Packetbeat/Browserbeat, Valkey, OpenSearch and Bind9, is non-intrusive (does not block client requests), and outputs analysis results to OpenSearch Dashboards or Syslog.

ping6.it is a web UI for comparing IPv4 vs IPv6 latency and reachability using Globalping and RIPE Atlas probes. It runs ping, traceroute, DNS, and HTTP measurements on the same probes for fair side-by-side comparison.

Xray-core is an open-source network proxy platform from Project X, originating from the XTLS protocol. It supports VLESS, XTLS, REALITY and related transports, with install scripts, Docker images, web panels and many GUI clients across platforms.