Best Agentic Security Alternatives

2 editor-verified alternatives · Agentic Security overview →

source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order

NeMo Guardrails

freeexplicit relation

NeMo Guardrails is NVIDIA's open-source toolkit for adding programmable safety rails to LLM applications. It supports five guardrail types — input, dialog, retrieval, execution, and output rails — covering content safety, jailbreak detection, topic control, PII masking, hallucination detection, and fact-checking. The toolkit uses Colang, a domain-specific language for defining conversational constraints, and integrates with OpenAI, Azure, Anthropic, HuggingFace, and LangChain/LangGraph.

Free open-source toolkit, NIM microservice free for dev/test

Semgrep

87/100open sourceexplicit relation

Semgrep is an AppSec platform with a widely used open-source engine for readable code rules plus commercial SAST, supply-chain and secrets workflows. Current product positioning emphasizes AI-assisted detection, triage and remediation, CI/pull-request integration and managed governance for security teams.

Free tier includes AI credits with limits up to 10 repos and 10 contributors; Teams modules are Code $30/contributor/mo, Supply Chain $30/contributor/mo and Secrets $15/contributor/mo; Enterprise custom.Review →

Open-source Agentic Security alternatives

Semgrep — see all open-source developer tools.

Free Agentic Security alternatives

NeMo Guardrails offer a free plan or free tier.

More AI Security & DevSecOps tools

same category, not editor-verified alternatives — see how Agentic Security compares →

CiliumCilium is a CNCF Graduated, Apache-2.0 project for Kubernetes networking, security, and observability using eBPF. It can replace kube-proxy, enforce identity-aware L3-L7 network policies, and add Hubble flow observability plus Tetragon runtime-security signals. Current source checks support GKE Dataplane V2 using Cilium/eBPF and Azure CNI Powered by Cilium for AKS.PlaywrightCross-browser E2E testing framework by Microsoft supporting Chromium, Firefox, and WebKit with one API. Features auto-waiting, tracing with timeline/screenshots/DOM snapshots, codegen for recording tests, and parallel execution. Component testing for React, Vue, Svelte. Built-in API testing, network mocking, and mobile emulation. Known for reliability and speed vs Selenium/Cypress. 70K+ GitHub stars, rapidly becoming the E2E standard.PangolinIdentity-based remote access platform built on WireGuard that combines reverse proxy and VPN capabilities. Pangolin supports clientless browser access for web apps and client-based private-resource access across macOS, iOS, Windows, Linux, and Android, with zero-trust rules, peer-to-peer tunnels, automatic SSL, SSO/OIDC options, and cloud or self-hosted deployment.DeepEvalDeepEval is an Apache-2.0 Python framework for evaluating LLM apps, RAG systems, agents, MCP workflows, and safety behavior with repeatable test cases. It works locally and in CI/CD, then connects to Confident AI for hosted reports, observability, red teaming, and governance when teams need shared evidence instead of ad-hoc prompt reviews and manual QA.reviewdogreviewdog is an open-source automated code review tool that integrates any linter or static analysis tool with GitHub, GitLab, Bitbucket, and Gitea pull requests. Parses output in errorformat, Checkstyle XML, SARIF, and JSON formats to post inline review comments on changed lines only. Works with GitHub Actions, Travis CI, CircleCI, GitLab CI, and Jenkins. Supports 40+ languages through universal linter adapter architecture.LangfuseLangfuse is an open-source LLM engineering platform with 29K+ GitHub stars for tracing, evaluating, and monitoring AI applications. Acquired by ClickHouse, it provides detailed traces of LLM calls, prompt management with versioning, dataset-based evaluation, user feedback collection, and cost tracking. Framework-agnostic with native integrations for LangChain, LlamaIndex, OpenAI SDK, and Vercel AI SDK. Offers both self-hosted deployment and a managed cloud service.SonarQubeSonarQube is an open-source code quality and security platform with 10K+ GitHub stars that inspects code for bugs, vulnerabilities, code smells, and security hotspots. It enforces quality gates in CI/CD pipelines, supports 30+ languages in Team plans and 40+ in Enterprise, and remains the industry standard for static code quality management.StablyStably enables developers to create QA tests in plain English using a no-code editor, with AI ensuring tests remain valid as the application evolves through self-healing locators and assertions. It lowers the barrier to high-quality QA for startups by eliminating the need for scripting knowledge, automatically adapting test steps when UI elements change position or structure.Aikido SecurityAikido Security is an all-in-one AppSec platform unifying SAST, DAST, SCA, CSPM, secrets detection, container scanning, IaC analysis, and runtime protection in a single developer-friendly dashboard. Cuts false positive noise by 95% through reachability analysis that evaluates vulnerabilities in actual deployment context. Features AI AutoFix for one-click remediation, CI/CD gating, and AI-powered pentesting agents. Trusted by 50,000+ organizations. Supports 50+ programming languages.

FAQ

What is the best Agentic Security alternative?

NeMo Guardrails tops our editor-verified list of 2 Agentic Security alternatives.

Are there open-source Agentic Security alternatives?

Yes — Semgrep are open source.

Are there free Agentic Security alternatives?

Yes — NeMo Guardrails offer a free plan or free tier.