* [dns2 v3.0.0](https://github.com/lsongdev/node-dns) – DNS server and client implementation in pure JavaScript with no dependencies. * [sslip.io 5.1.0](https://github.com/cunnie/sslip.io) – DNS server mapping specially-crafted A records to corresponding IP addresses. * [Gatesentry v1.23.0](https://github.com/fifthsegment/Gatesentry) – Proxy and DNS server with SSL filtering (MITM), web UI, domain blocking, logging, and parental-control features. * [gravity v0.33.0](https://github.com/BeryJu/gravity) – Fully-replicated DNS, DHCP, and TFTP server backed by etcd. * [MasterDnsVPN Android Client v1.2.3](https://github.com/Hidden-Node/MasterDnsVPN-AndroidClient) – Android client with Kotlin/Jetpack Compose UI and a gomobile Go core for managing VPN connections to DNS-over-VPN servers using profile-based settings. * [newdns v0.2.5](https://github.com/256dpi/newdns) – Library for building custom DNS servers in Go.