Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
MySQL - The world's most popular open source database
NextDNS - Block ads, trackers and malicious websites on all your devices.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
SQLite - SQLite Home Page