Best Self-Hosted Security & Privacy Tools in 2026
Tools for protecting privacy, securing networks, and managing vulnerabilities and security threats.
The top-rated pick is Vaultwarden with 57,171 GitHub stars.
3 self-hosted security & privacy tools — ranked by GitHub stars. Browse all
Vaultwarden
Lightweight, self-hosted Bitwarden-compatible server written in Rust — runs on minimal hardware with full client support.
Bitwarden
Pi-hole
Network-wide DNS-based ad blocking that protects all devices on your network, including Smart TVs and IoT devices.
AdGuard Home
Network-wide DNS-based ad and tracker blocker with parental controls, DNS rewrites, and detailed query logging.
Why self-host?
Self-hosting puts you in control. You own your data, avoid vendor lock-in, and eliminate recurring subscription costs. For teams handling sensitive data or operating under strict compliance requirements, running your own infrastructure is often the only viable option.
Want to compare all open source options including cloud-hosted ones? See the best open source security & privacy tools →