Mend.io vs Nuclei

Mend.io is a paid application-security platform covering application code, AI components and the attack surface between them. Mend AppSec combines SAST, SCA, AI-generated-code security, AI fix suggestions, dependency updates, IaC and container scanning, policy as code, SBOM management, compliance reporting and remediation workflows. Mend AI adds AI-component discovery, system-prompt hardening, automated red teaming, runtime guardrails and continuous governance. Mend Renovate Enterprise finds outdated dependencies, updates them and provides Merge Confidence ratings and workflows. Integrations include Jira, ServiceNow, Azure DevOps, Bitbucket, GitLab and GitHub, while AppSec also scans code generated through Cursor, Windsurf and Copilot. Its vulnerability database covers over 200 programming languages and draws from the NVD, security advisories and open-source issue trackers. Pricing is per contributing developer without code-size, scan-count or application-count limits; add-ons may cost extra. Listed plans are Mend Renovate Enterprise at $250 a year, Mend AI at $300 a year and Mend AppSec at $1,000 a year.

Nuclei is a free, open-source vulnerability scanner for applications, infrastructure, cloud platforms, and networks. It uses YAML templates to define checks, drawing on more than 6,500 community-contributed templates; users can also create custom templates. Bulk and parallel scans, multiple target formats, and inclusion and exclusion filters are supported. Modules cover HTTP, DNS, TCP, headless, JavaScript, code, and file scanning, and authentication options include HTTP basic authentication and JWT. Nuclei can run in CI/CD pipelines, including through GitHub Actions, and export SARIF results to GitHub Code Scanning. It is distributed under the MIT License and is primarily a standalone CLI tool, with installation options including Go, Homebrew, Docker, GitHub, downloadable binaries, and Helm. It is actively developed, but has no LTS or stable version, so updates may bring breaking changes. Some templates can fuzz or take actions that risk denial of service; these are tagged and excluded from default scans. The tool is intended for security engineers, analysts, red teams, DevOps teams, bug bounty hunters, and penetration testers.