Security & Privacy

AI security, threat detection, privacy

30 tools ยท All-time leaderboard

โ† All Categories

What is Security & Privacy?

Security & Privacy covers 30 AI tools, with the top 10 averaging 8,330 community votes. 14 of the tools here are open source or have significant community traction. This page ranks them by all-time community votes, not by paid placement.

The current top three: siyuan, strix, meetily. Each entry below shows the tool, its open-source stars or community size, and a short description from the project's own README. Click through to a full review for pricing, alternatives, and what it's actually good at.

Looking for something specific? Try the AI tool search engine โ€” it indexes every tool on saas.pet and will surface what fits your workflow, not just what has the most votes.

๐Ÿ† Top 30 in Security & Privacy

๐Ÿฅ‡
GitHub

siyuan

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

โ˜… 44,500 votes
๐Ÿ’ฌ 0
๐Ÿฅˆ
GitHub

strix

Open-source AI penetration testing tool to find and fix your appโ€™s vulnerabilities.

โ˜… 10,338 votes
๐Ÿ’ฌ 183
๐Ÿ“… 6d
๐Ÿฅ‰
GitHub

meetily

Privacy first, AI meeting assistant with 4x faster Parakeet/Whisper live transcription, speaker diarization, and Ollama summarization built on Rust. 100% local processing. no cloud required. Meetily (...

โ˜… 8,885 votes
๐Ÿ’ฌ 290
๐Ÿ“… 6d
#4
GitHub

simplex-chat

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps ๐Ÿ“ฑ!

โ˜… 5,995 votes
๐Ÿ’ฌ 1177
๐Ÿ“… 3d
#5
GitHub

Anthropic-Cybersecurity-Skills

817 structured cybersecurity skills for AI agents ยท Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) ยท agentskills.io stand...

โ˜… 4,109 votes
๐Ÿ’ฌ 29
๐Ÿ“… 1d
#6
GitHub

RuView

ฯ€ RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection โ€” all without a single pixel of video.

โ˜… 3,537 votes
๐Ÿ’ฌ 376
๐Ÿ“… 4d
#7
GitHub

pentagi

Fully autonomous AI Agents system capable of performing complex penetration testing tasks

โ˜… 2,347 votes
๐Ÿ’ฌ 66
๐Ÿ“… 3d
#8
GitHub

T3MP3ST

autonomous red teaming platform; multi-agent offensive-security meta-harness

โ˜… 2,108 votes
๐Ÿ’ฌ 28
๐Ÿ“… 1d
#9
GitHub

Win11Debloat

A simple, lightweight PowerShell script that allows you to remove pre-installed apps, disable telemetry, as well as perform various other changes to declutter and customize your Windows experience. Wi...

โ˜… 783 votes
๐Ÿ’ฌ 25
๐Ÿ“… 2d
#10
Product Hunt

Osaurus

The native macOS harness for AI agents. Any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

โ˜… 698 votes
๐Ÿ’ฌ 87
๐Ÿ“… 2d
#11
GitHub

wigolo

The go-to web for your AI coding agent โ€” local-first search, fetch, crawl & research over MCP. No API keys, no cloud, $0/query. Public beta.

โ˜… 595 votes
๐Ÿ’ฌ 24
๐Ÿ“… 2d
#12
Product Hunt

Kobbe

Privacy-friendly and cookie-less analytics for your website. Traffic, pages, sources, revenue and funnels. Private by default. Set up in seconds.

โ˜… 276 votes
๐Ÿ’ฌ 28
๐Ÿ“… 1d
#13
GitHub

How-To-Secure-A-Linux-Server

An evolving how-to guide for securing a Linux server.

โ˜… 243 votes
๐Ÿ’ฌ 33
๐Ÿ“… 1d
#14
Product Hunt

Playground

Every challenge is a live and open-source AI agent guarding a secret - with its system prompt published for you to read. Talk it past its own defenses. Land the most approved breaks in a week and win ...

โ˜… 227 votes
๐Ÿ’ฌ 22
๐Ÿ“… 1d
#15
GitHub

local-vuln-research-pipeline

Fully local vulnerability research pipeline - 14B code-specialized LLM reviews every source file exhaustively.

โ˜… 137 votes
๐Ÿ’ฌ 0
๐Ÿ“… 1d
#16
GitHub

VulnClaw

ๅŸบไบŽ AI Agent + MCP ๅทฅๅ…ท้“พ + ๆธ—้€ Skill ็ผ–ๆŽ’๏ผŒ ้…ๅˆๅคง่ฏญ่จ€ๆจกๅž‹๏ผŒ ่‡ช็„ถ่ฏญ่จ€่พ“ๅ…ฅ โ†’ ่‡ชๅŠจๅฎŒๆˆใ€Œไฟกๆฏๆ”ถ้›† โ†’ ๆผๆดžๅ‘็Žฐ โ†’ ๆผๆดžๅˆฉ็”จ โ†’ ๆŠฅๅ‘Š็”Ÿๆˆใ€ๅ…จๆต็จ‹ใ€‚

โ˜… 123 votes
๐Ÿ’ฌ 12
๐Ÿ“… 1d
#17
Product Hunt

TailMux

The official Tailscale client keeps one tailnet active at a time. TailMux makes work and personal tailnets reachable simultaneously on macOS and Linux, without switching accounts, running multiple sys...

โ˜… 111 votes
๐Ÿ’ฌ 10
๐Ÿ“… 1d
#18
GitHub

airi

๐Ÿ’–๐Ÿงธ Self hosted, you-owned Grok Companion, a container of souls of waifu, cyber livings to bring them into our worlds, wishing to achieve Neuro-sama's altitude. Capable of realtime voice chat, Mi...

โ˜… 110 votes
๐Ÿ’ฌ 185
๐Ÿ“… 2d
#19
Product Hunt

Amami

I built Amami because I was tired of tab-switching between Cursor and a browser tab just to check how many people visited my site. Amami is privacy-first analytics with native MCP support โ€” you litera...

โ˜… 100 votes
๐Ÿ’ฌ 23
๐Ÿ“… 1d
#20
Product Hunt

Breadcromb

Your AI shouldn't start from scratch every time. Trace is the browser that remembers everything you've read, understands your work, and gives AI the context to help you research, write, and au...

โ˜… 94 votes
๐Ÿ’ฌ 11
๐Ÿ“… 1d
#21
Product Hunt

HeimWall

HeimWall catches leaked secrets, credentials, and PII the moment they're about to reach AI coding assistants like Cursor, Claude Code, and Copilot. A lightweight macOS app, fully on-device: 47 han...

โ˜… 33 votes
๐Ÿ’ฌ 32
๐Ÿ“… 1d
#22
Product Hunt

Panguard.AI

Your AI agent runs third-party skills and MCP servers with full access to your files, keys and shell โ€” no sandbox, no review. I scanned 96,096 published skills; 751 were malicious. PanGuard vets a ski...

โ˜… 31 votes
๐Ÿ’ฌ 22
๐Ÿ“… 1d
#23
Product Hunt

KillAI

KillAI is a privacy-focused Chrome extension designed to help you clean your YouTube feed and focus on real creators, human-made content, and meaningful discussions.

โ˜… 25 votes
๐Ÿ’ฌ 21
๐Ÿ“… 1d
#24
Product Hunt

Threat Surveillance

While official public health portals are often slow, fragmented, or buried inside heavy PDFs, Outbreak Tracker provides a zero-bloat, live monitoring utility for global pathogen data. Engineered to lo...

โ˜… 19 votes
๐Ÿ’ฌ 17
๐Ÿ“… 1d
#25
Hacker News

Z.ai founder backs open-source AI as global security debate intensifies

Z.ai founder backs open-source AI as global security debate intensifies

โ˜… 12 votes
๐Ÿ’ฌ 2
๐Ÿ“… 7d
#26
Hacker News

Grok 4.5 and GPT5.6 beat Anthropic for finding security vulnerabilities in PRs

Grok 4.5 and GPT5.6 beat Anthropic for finding security vulnerabilities in PRs

โ˜… 11 votes
๐Ÿ’ฌ 1
๐Ÿ“… 1d
#27
Product Hunt

Orbit VPN

Orbit Free VPN is a powerful, fast, and secure VPN app designed for smooth browsing, private internet access, and unlimited online freedom.

โ˜… 0 votes
๐Ÿ’ฌ 2
๐Ÿ“… 1d
#28
Product Hunt

Nikomo

Research shows regularly breaking up long sitting sessions is one of the best ways to reduce its negative effects. Nikomo makes that habit effortless. โ€ข ๐Ÿช‘ Smart reminders based on your laptop activit...

โ˜… 0 votes
๐Ÿ’ฌ 2
๐Ÿ“… 1d
#29
Product Hunt

Caracal

Caracal is an open source authority layer for AI agents. Give agents authority instead of credentials with policy-based authorization, least-privilege delegation, instant revocation, human approvals, ...

โ˜… 0 votes
๐Ÿ’ฌ 2
๐Ÿ“… 1d
#30
Product Hunt

OCDify

OCDify is a privacy-first, offline AI file organizer for Mac. Automatically organize your Desktop and Downloads folder into custom categories, and Smart Rename, which turns cryptic names like IMG_1234...

โ˜… 0 votes
๐Ÿ’ฌ 2
๐Ÿ“… 1d