security — independent software & tools

279 independent security listings the big search engines bury.

• sub rosa by naiveHA

  fdroid · Free · by naiveHA

  Program (over USB or NFC) the static password of your YubiKey

• Password Store (Passkey Edition)

  fdroid · Free · by pando85

  Manage your passwords

• MESH

  fdroid · Free

  Censorship-resisting overlay network for digital forensics

• CryptoSafe

  fdroid · Free · by nemoXdev

  Offline AES-256-GCM text encryption with Argon2id

• Fauxx - Privacy Through Noise

  fdroid · Free · by digital-grease

  Poison data collection profiles by generating decoy signals.

• Banana Split

  fdroid · Free · by mezinster

  Split secrets into QR-code shards using Shamir's Secret Sharing

• RKNHardering

  fdroid · Free · by xtclovver

  Detects VPN and proxy usage on Android using RKN methodology

• PGPony

  fdroid · Free · by NorseHorse

  OpenPGP encryption with hardware security keys and password-store support

• Secure QR Share

  fdroid · Free · by Jonathan Drolet

  Share passwords and links securely via encrypted QR codes.

• AppVerifier BG

  fdroid · Free · by RoundSalmon4

  Verify installed apps against shared signature hashes and databases.

• SecureScreen

  fdroid · Free · by Adi K

  Protect selected apps from screenshots and screen recording

• SeekPrivacy

  fdroid · Free · by seeker

  Activist-Grade Defense Against System-Level Data Surveillance

• SmartFind

  fdroid · Free · by ErinyLTD

  Find your phone with an SMS from a trusted contact

• Privamatic

  fdroid · Free · by Techtrest

  Privacy score for your Android — 45+ checks, no cloud, no tracking.

• Truvark

  fdroid · Free · by Lukas Pieper

  A multi-vault file encryption app that respects your privacy.

• Signet

  fdroid · Free · by digital-grease

  Verify calls from family, colleagues, sources against deepfake impersonation.

• FiSSH

  fdroid · Free · by Ioan Moldovan

  SSH authentication via Fingerprint scanning over network (TLS Sockets)

• DuressKeyboardLite

  fdroid · Free

  Keyboard with DuressPassword feature.

• HiddenProtectedWorkProfile

  fdroid · Free

  Hidden Profile owner Android security app.

• Haven

  fdroid · Free · by Kenneth-Cho-InfoSec

  Isolate and run multiple instances of apps using Work Profiles

• Tokn - MFA / 2FA authenticator

  fdroid · Free · by fthomys

  Open-source 2FA authenticator. Encrypted on-device. No accounts.

• LineShield

  fdroid · Free · by Six-Seven

  Verify phone lines registered to your name in Mexico CRT portals

• DissPair

  fdroid · Free · by ThreadpoolX and Tapadyuti Baral

  Bluetooth security toolkit

• SOS Alerter

  fdroid · Free · by Dhilip

  Privacy-focused emergency app with SMS location tracking and silent recording.

• patient-zero

  github · Free · by 0xSteph

  Supply-chain attack scanner for the agent era. Triage in 30s with `npx patient-zero`, block malicious installs before postinstall runs, or drop into CI as a GitHub Action. Covers npm + Python + MCP agent configs. Free, MIT, no signup, no telemetry.

• niro

  github · Free · by apxlabs-ai

  Security that keeps up with your developers.

• vigil-tui

  github · Free · by daisievolumetrical8820

  Monitor real-time power consumption, thermals, and clock speeds for CPU, GPU, and RAM directly in your terminal.

• thesmos-governance

  github · Free · by Holley-Studio

  AI governance CLI, GitHub Action, VS Code extension & MCP server — 1,075 rules for Claude, Cursor, Copilot, Gemini, Codex.

• tankpkg-skill-vault

  github · Free · by imlalitrajputs2

  Secure AI Agent Skill Manager 2026 – Tamper-Proof Package Engine for Tank

• Certance-Field

  github · Free · by ivan-stepantsov

  Cut your GitHub Copilot token bill, locally. Certance Field compresses oversized context before it reaches the model, redacts and scans for secrets, and exports audit evidence. No cloud, no external calls.

• forgeterm

  github · Free · by Lavenderustilagomaydis9432

  Monitor AI coding agents in real-time to block unauthorized file access, network connections, and dangerous commands while enforcing system resource limits.

• repopilot

  github · Free · by MykytaStel

  Local-first CLI for reviewing Git changes, security boundaries, and blast radius before merge.

• snitch

  github · Free · by n4uu

  Single static-binary recon orchestrator in Go: chains subfinder, httpx, nmap, nuclei, ffuf, katana + injection testing (dalfox/crlfuzz/sqlmap), with dedup, diff-based webhook alerts, an interactive TUI and JSON/CSV/SARIF export.

• gurgl

  github · Free · by nurbanasaurus

  Local-first egress hygiene for MCP servers: capture, diff, and allowlist what your AI-agent tools contact on the network.

• ssh-mcp-pro

  github · Free · by oaslananka

  TypeScript MCP server for controlled SSH operations, remote host workflows, command execution guardrails, and infrastructure automation.

• pinprick

  github · Free · by starhaven-io

  Pin your GitHub Actions. Prick holes in their supply chain security.

• trustabl-action

  github · Free · by trustabl

  GitHub Action that runs trustabl — static reliability/safety analyzer for AI agent SDKs (Claude, OpenAI, Google ADK, MCP). Gates CI on risk + severity.

• trusca

  github · Free · by trustedoss

  Self-hosted, open-source SCA portal — vulnerability (CVE), license compliance, and SBOM management in one UI. Black Duck/Snyk-class capabilities, Apache-2.0.

• tiyi

  github · Free · by zzmzm

  Single-binary WAF platform with Caddy, Coraza, OWASP CRS, CLI, Web UI, SQLite state, and signed releases. The WAF that grows with you.

• opencode-gitlab-auth

  npm · Free · by GitLab CI/CD

  GitLab OAuth authentication plugin for OpenCode

• Aer - Fork of Anemo

  fdroid · Free

  Private storage utility for android with support for external storage media

• ANONguard

  fdroid · Free · by JAP-Team

  ANONguard anonymises the Internet connection

• Motion-UI

  fdroid · Free · by lbr38

  A web interface to manage your own NVR with motion.

• Password Store

  fdroid · Free · by Alexander Grahn

  Manage your passwords

• MemoryGuardian

  fdroid · Free

  Take Control of Your Clipboard

• Better Internet Tiles

  fdroid · Free · by Casper Verswijvelt

  Bring back Wi-Fi and mobile data tiles on Android 12 or higher

• Port Knocker

  fdroid · Free · by Darnell Andries

  Port knocker client; supports one time sequences

• Guerrilla Mail

  fdroid · Free · by TheOneWithTheBraid

  Quickly receive anonymous and temporary mails.

• PilferShush Jammer

  fdroid · Free

  Block unwanted use of onboard microphone

• Port Authority

  fdroid · Free · by Aaron Wood

  Port scanner

• AdGuard Content Blocker

  fdroid · Free · by Adguard Software Ltd.

  Ad blocker app to block ads in Yandex Browser and Samsung Internet browser only

• Simple Text Crypt

  fdroid · Free · by Aidin Gharibnavaz

  Encrypts plain text using AES256

• Ruam Mij

  fdroid · Free · by Akexorcist

  Suspicious app scanner with privacy respects

• Wassword - Wonderful Password Generator

  fdroid · Free · by Alberto Bonacina

  Create unbreakable passwords in one tap

• KryptEY

  fdroid · Free · by amnesica

  Keyboard for secure E2EE communication through signal protocol in any messenger

• KeePassDroid

  fdroid · Free

  KeePass-compatible password safe

• Diceware Password Generator

  fdroid · Free

  Generate diceware passwords

• SafeDot

  fdroid · Free · by Aravind Chowdary

  alerts you when a third-party application uses your device camera or microphone

• Vault

  fdroid · Free · by arsvechkarev

  Simple, secure and fast password manager compatible with KeePass

• Aegis Authenticator

  fdroid · Free · by Beem Development

  Free, secure and open source 2FA app to manage tokens for your online services