AI · alternatives · 2026

24 alternatives to Obsidian Scan
AI pentester that finds what scanners miss
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

AI agents that find, validate, and fix every vulnerability
Jun 2026 · getastra.com · its alternatives →
- 2

Automated Penetration Testing for AI-Built Apps
2021 · replay.io · its alternatives →
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Hi HN, Nick here. We’re launching OpenKnowledge (https://openknowledge.ai/), a “what you see is what you get” markdown editor that has direct integrations with Claude, Codex, and other agents. Available as MacOS app or Web UI+CLI. Fully free/local and OSS. We built this because we wanted a Notion-like experience for writing and sharing markdown files across our team. Obsidian is the best alternative we tried, but found it doesn’t have a true WYSWIG UI and it didn’t integrate well with Claude/Codex outside of community plugins. So we built OpenKnowledge. It takes…
Jun 2026 · github.com · its alternatives →
- 5

Quickly format your notes with ChatGPT in Obsidian - different-ai/obsidian-ava
2023 · github.com · its alternatives →
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Scan your code for vulnerabilities
Apr 2026 · cyber-security-code-scan.base44.app · its alternatives →
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SecureScope▲10Scan your AI generated app for security vulnerabilities
2025 · securescope.app · its alternatives →
- 9

Scan any LLM chatbot for vulnerabilities
Apr 2026 · github.com · its alternatives →
- 10

A Smart and AI driven Web Vulnerability Scanner
2025 · thesmartscanner.com · its alternatives →
- 11

Hi everyone! My team and I just open-sourced a bunch of cool agent dev tools: Invariant Explorer to visually inspect and understand AI traces and a testing framework, building on pytest.
2024 · github.com · its alternatives →
- 12
PwnScan▲8For at least a few years (since before COVID), in my circle everbody wants an AI tool that finds vulnerabilities in binaries. I have my reservations about such a tool because of my perception that AI is overhyped, so I decided to build one myself to see how useful it could be (or not). I was actually kinda surprised how well it worked for my collection of binaries with known CVEs. It definitely has false positives and negatives, as any static analysis tool would, but I think its actually somewhat usable. I dont think the results are super actionable, but interesting nonetheless. I still…
2025 · pwnscan.com · its alternatives →
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AI vulnerability management that cuts scanner noise
May 2026 · scanninja.ai · its alternatives →
- 15

Online automated vulnerability scanner to secure firewalls, servers, web applications, and apis. Try 14 days for free.
2020 · hostedscan.com · its alternatives →
- 16

AI-powered vulnerability scanning for modern web apps
Aug 2026 · vetora.site · its alternatives →
- 17

Affordable darkweb and attack surface management for SMEs
Mar 2026 · securityscanner.ai · its alternatives →
- 18

AI all-in-one security scanner for Web, API, and OSINT.
Jul 2026 · github.com · its alternatives →
- 19

Point Xalgorix at your app or repo. An autonomous AI pentester finds vulnerabilities, proves each with a working exploit, and hands engineers the fix. Runs in CI. Scans from $1, credits never expire.
Aug 2026 · xalgorix.com · its alternatives →
- 20

Autonomous AI Agent Scanner for Web Security & UI Issues
Feb 2026 · rescanflow.com · its alternatives →
- 21

Catch code vulnerabilities before they ship.
Jul 2026 · vuln-shield.vercel.app · its alternatives →
- 22

Obsidian Gemini processing workflows, Validate each command before executing it. It is strongly recommended to use a version control system (Git) in your Obsidian vault to visualize and revert changes made by the agent. - inbox_processing_workflow.md
Jan 2026 · gist.github.com · its alternatives →
- 23

Quickly format your notes with ChatGPT in Obsidian - different-ai/obsidian-ava
2022 · github.com · its alternatives →
- 24
Nullgaze▲3Scan any website for leaked secrets in seconds
Feb 2026 · nullgaze-ohm8.vercel.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →