Best Self-hosted Security & Privacy tools in 2026

Open-source Go backend providing embedded SQLite, realtime (SSE) subscriptions, auth (JWT/OAuth2), file storage, admin UI and REST-style APIs for web and mobile apps.

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PocketBase Cloud+17

Pi-hole is a network-wide DNS sinkhole that blocks ads and trackers for all devices on your network, with a web dashboard, query logs, and optional DHCP server.

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AdGuard+7

Vaultwarden is a lightweight, Bitwarden-compatible password manager server in Rust, designed for self-hosting with official Bitwarden clients.

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Bitwarden+9

Headscale is an open source, self-hosted implementation of the Tailscale control server for managing a private tailnet, nodes, keys, IPs, and routes.

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Tailscale+9

Keycloak is an open-source IAM server providing single sign-on, user federation, and centralized authentication and authorization using OIDC, OAuth 2.0, and SAML.

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Okta+19

Open-source DNS-based ad & tracker blocking server for networks. Offers per-device rules, parental controls, encrypted upstream DNS (DoH/DoT/DNSCrypt), web UI and API.

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AdGuard+5

Comprehensive on-demand OSINT to analyze a website's security, architecture, and tech stack.

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Shodan+8

Authelia is an open-source IAM and authentication server providing SSO, MFA, and access control for web apps, with OpenID Connect/OAuth 2.0 and reverse-proxy integration.

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Auth0+16

KeePassXC is a secure, cross-platform password manager that stores credentials and sensitive notes in encrypted KeePass-compatible KDBX files with autofill and browser in...

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KeePassXC+10

Infisical is an open-source platform to manage and deliver app secrets, certificates (PKI), SSH credentials, and encryption keys across teams and infrastructure.

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HashiCorp Vault+9

Open-source, end-to-end encrypted platform for private photo backup, sharing, and authenticator (2FA) sync across devices, with optional self-hosting.

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Google Photos+14

Run a WireGuard VPN server with an easy web admin UI to manage clients, generate configs and QR codes, and monitor connections and traffic.

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Tailscale+14

Open-source zero-trust networking platform delivering a WireGuard-based private network with centralized access control, SSO/MFA, and cross-platform clients.

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Tailscale+17

SafeLine is a self-hosted Web Application Firewall (WAF) and reverse proxy that defends web apps from SQL injection, XSS, bot abuse, and DDoS using ML-powered threat dete...

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Cloudflare Web Application Firewall (WAF)+7

Open-source IdP delivering SSO, OAuth2/OIDC, SAML2, LDAP, RADIUS, MFA, WebAuthn, conditional access and application-proxy capabilities for self-hosted deployments.

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Okta+19

Secure access platform for servers, Kubernetes, databases, desktops, and web apps with SSO/MFA, short-lived certificates, and full session auditing.

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Twingate+16

Open-source identity-based remote access platform combining WireGuard VPN and tunneled reverse proxy access with granular zero-trust controls.

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Cloudflare Access+16

Bitwarden is an open-source password manager that stores, shares, and autofills credentials with zero-knowledge encryption; supports cloud or self-hosted deployments.

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1Password+9

Anubis is a lightweight web AI firewall that protects sites from AI crawlers and scraping bots using configurable request challenges and bot policies.

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Cloudflare Web Application Firewall (WAF)+10

Fail2Ban monitors service logs for repeated failures and automatically bans abusive IP addresses by updating firewall rules for a configurable time.

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CrowdSec

OAuth2 Proxy is a reverse proxy and middleware that protects web apps with OAuth2/OIDC login and forwards authenticated user identity to upstream services.

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Cloudflare Access+14

Open-source database DevSecOps tool for managing schema migrations, SQL review, audit logging, access control, and data masking across multiple databases.

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Datical (Liquibase Enterprise)+5

OpenVPN is a widely used open-source VPN daemon providing TLS/SSL-based secure tunneling, flexible client-server and site-to-site modes, and cross-platform support.

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OpenVPN CloudConnexa+18

CLI tool to create Cloudflare Tunnels and route traffic through Cloudflare’s edge.

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ngrok+10

ZITADEL is an open source IAM/CIAM platform providing SSO, MFA, OIDC/OAuth2, SAML, user management, and multi-tenant organizations with audit logging.

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Auth0+19

Casdoor is an open-source, UI-first IAM/SSO platform supporting OAuth 2.0, OIDC, SAML, LDAP, SCIM, WebAuthn and MFA, with an admin web UI and SDKs.

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Okta+19

CrowdSec is an open-source security engine that detects attacks from logs and blocks malicious IPs using bouncers and community-curated threat intelligence.

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Fail2Ban+10

Open-source authentication and authorization infrastructure with OIDC/OAuth 2.1, SAML SSO, multi-tenancy, MFA, and RBAC for SaaS and AI apps.

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Auth0+19

Self-hosted web interface to manage Nginx configs, reload safely, issue Let’s Encrypt certificates, view logs, monitor server stats, and manage multiple nodes.

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NGINX Management Suite+4

Open-source VPN client for desktop and mobile that can automatically set up a private VPN server and connect using WireGuard, OpenVPN, IKEv2, and obfuscated modes.

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NordVPN+15