THE REGISTRY

All Security Tools.

Password managers, sign-in gateways, and encryption tools — each one audited for real security, not just marketing claims.

  • Most Stars
  • Latest Added
  • Oldest
  • Name (A to Z)
  • Name (Z to A)

Bitwarden

Verified
Security

Audited, zero-knowledge password manager with cross-device sync, passkeys, and a fully supported self-hosted server.

Stars▲ 20,209
Added2026-02-28
LicenseGPL-3.0

Vaultwarden

Verified
Security

Lightweight Rust reimplementation of the Bitwarden server. Runs comfortably on a Raspberry Pi.

Stars▲ 68,214
Added2026-03-02
LicenseGPL-3.0

Authelia

Verified
Security

Single sign-on and 2FA gateway that sits in front of all your self-hosted apps.

Stars▲ 29,102
Added2026-03-28
LicenseApache-2.0

Obsidian

Verified
Productivity

Local-first Markdown notes with a graph view, plugin ecosystem, and zero lock-in. Free for personal use.

Stars▲ 21,846
Added2026-01-10
LicenseFree / Local

Syncthing

Cloud

Peer-to-peer file synchronization between your own devices. No central server required.

Stars▲ 88,967
Added2026-03-30
LicenseMPL-2.0

Open-source note-taking with Markdown support, end-to-end encryption, and flexible sync options.

Stars▲ 56,502
Added2026-04-09
LicenseAGPL-3.0

Local-first outliner and knowledge base. Markdown files, bi-directional links, daily notes built in.

Stars▲ 45,064
Added2026-04-10
LicenseAGPL-3.0

Mattermost

Communication

Self-hosted team messaging with a focus on compliance, security, and workflow automation.

Stars▲ 39,197
Added2026-03-20
LicenseMIT

Privacy-focused analytics with a simple dashboard. No cookies, no fingerprinting, no personal data.

Stars▲ 39,043
Added2026-03-12
LicenseMIT

SearXNG

Security

Privacy-respecting metasearch engine that aggregates results from dozens of providers.

Stars▲ 37,672
Added2026-04-07
LicenseAGPL-3.0

Keycloak

Security

Full identity and access management server with SSO, social login, and fine-grained authorization.

Stars▲ 37,011
Added2026-03-29
LicenseApache-2.0

Plausible

Security

Cookie-free web analytics with a single lightweight script and a clean dashboard. GDPR-friendly by default.

Stars▲ 29,227
Added2026-02-05
LicenseAGPL-3.0

Element (Matrix)

Communication

Client for the Matrix protocol — decentralized, end-to-end encrypted chat that talks to any Matrix server.

Stars▲ 13,514
Added2026-03-08
LicenseAGPL-3.0

CryptPad

Security

End-to-end encrypted collaborative documents, spreadsheets, and whiteboards. Zero-knowledge by design.

Stars▲ 7,962
Added2026-04-18
LicenseAGPL-3.0

Standard Notes

Security

End-to-end encrypted note-taking built for longevity, with a plain-text core and optional extensions.

Stars▲ 6,636
Added2026-04-08
LicenseAGPL-3.0