1
Also covers machine learning, open source, and security tools · same kind of open-source project
QWED verifies LLM outputs, tool calls, code, schemas, and agent state before production execution.
Alternatives
The Best Plexiglass Alternatives in 2026
24 alternatives2 free · 22 open source
Looking for something like Plexiglass? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 22 are open source.
About Plexiglassgithub.com/w4-advisory/plexiglass
VisitPlexiglass helps detect and protect against vulnerabilities in large language models.
Top picks at a glance
First suggestionQWEDQWED verifies LLM outputs, tool calls, code, schemas, and…Free or freemium optionOmbreOmbre adds security, caching, memory, and audit functions…Another optionIP IntelligenceIP Intelligence detects proxies and VPN connections through…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | QWED | — | Yes | — |
| 2 | IP Intelligence | — | Not stated | Web |
| 3 | Ombre | Freemium | Yes | — |
| 4 | ClawMoat | — | Yes | — |
| 5 | masscan | — | Yes | — |
| 6 | Awesome Formal Verification | — | Yes | — |
| 7 | SuperAgent | — | Yes | — |
| 8 | DVIA-v2 | — | Yes | iOS |
| 9 | OpenSCA-CLI | — | Yes | — |
| 10 | Nuclei | — | Yes | — |
All Plexiglass alternatives
2
IP Intelligence
getipintel.netAlso covers machine learning and security tools
IP Intelligence detects proxies and VPN connections through an API intended to help prevent fraud.
3
Also covers machine learning and security tools · same kind of open-source project · free plan
Ombre adds security, caching, memory, and audit functions in an infrastructure layer for AI requests.
4
Also covers open source and security tools · same kind of open-source project
ClawMoat helps guard AI agents against data leaks, unsafe tool use, and poisoned dependencies through an open-source firewall.
5
Also covers open source and security tools · same kind of open-source project
Scan TCP ports with masscan, an asynchronous scanner designed for large network ranges.
6
Also covers open source and security tools · same kind of open-source project
This repository organizes formal verification and model-checking resources, techniques, and tools.
7
Also covers open source and security tools · same kind of open-source project
Superagent’s open-source SDK helps protect AI applications from prompt injection, data leaks, and harmful outputs.
8
Also covers open source and security tools · same kind of open-source project
Practice iOS penetration testing in a deliberately vulnerable app, with exercises covering vulnerabilities tested through iOS 11.
9
Also covers open source and security tools · same kind of open-source project
Check open-source dependencies for vulnerabilities and license compliance with OpenSCA-CLI.
10
Also covers open source and security tools · same kind of open-source project
Scan applications, APIs, networks, DNS, and cloud configurations for vulnerabilities using Nuclei.
11
Also covers security tools · same kind of open-source project
BlackVault protects AI API credentials with rate limits, budget caps, model restrictions, and an emergency kill switch.
12
Also covers open source and security tools · same kind of open-source project
git-hound searches public GitHub repositories for exposed secrets and credentials.
13
Evervault
evervault.comAlso covers security tools
Protect payment data with Evervault’s encryption model while retaining control of the payment experience.
14
Also covers open source and security tools · same kind of open-source project
Use reference sheets for reverse engineering, binary analysis, and assembly programming tools.
15
Also covers open source and security tools · same kind of open-source project · free
Add a proof-of-work CAPTCHA system to an application using the mCaptcha backend component.
16
Also covers open source and security tools · same kind of open-source project
Karma Firewall is an Android firewall that states it requires no internet permission and intercepts no allowed user traffic.
17
Also covers open source and security tools · same kind of open-source project
Scan IP addresses and ports concurrently with rang3r, a multithreaded scanner.
18
Also covers open source and security tools · same kind of open-source project
Security and best-practice issues in container images can be checked with Dockle.
19
Also covers open source and security tools · same kind of open-source project
AllSafe provides an intentionally vulnerable Android app for security testing and practice.
20
Also covers open source and security tools · same kind of open-source project
Browse a curated collection of information security tools, links, and learning resources.
21
Also covers open source and security tools · same kind of open-source project
Set up a Windows virtual machine for reverse engineering with FLARE-VM’s software installation scripts.
22
Also covers open source and security tools · same kind of open-source project
This GitHub list collects books, guidelines, blogs, videos, tools, and cases related to CI/CD security.
23
Also covers open source and security tools · same kind of open-source project
Agentic Radar scans agent workflows for security issues and helps developers review potential risks.
24
Also covers open source and security tools · same kind of open-source project
Configure network activity rules through Windows Filtering Platform with Simplewall.
No alternatives match this filter.
Alternatives to similar tools
git-hound24 alternativesReversing Bits24 alternativesQWED24 alternativesAwesome Formal Verification24 alternativesOpenSCA-CLI24 alternativesKarma24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery ListingPlexiglass details
What is the best alternative to Plexiglass?
Based on features, tags and platforms, the closest alternatives to Plexiglass are QWED, IP Intelligence, and Ombre.
Is there a free alternative to Plexiglass?
Yes. Ombre and M Captcha are free or offer a free plan.
Are there open-source alternatives to Plexiglass?
Yes: QWED, Ombre, ClawMoat, and masscan.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative