The Best OpenCVE Alternatives in 2026

Supabase provides Postgres databases and application backend services for building software projects.

Security Onion Solutions develops and supports products related to its Security Onion security monitoring platform.

Find and compare cybersecurity products across areas such as SIEM, endpoint security, identity, and cloud.

URLhaus shares URLs identified as being used to distribute malware and supports tracking those reported links.

Test how trackers and fingerprinting systems see your browser with Cover Your Tracks from the EFF.

Octane analyzes application code to find exploitable security vulnerabilities and trace attack paths.

WhatsMyDNS checks DNS record propagation across global resolvers for record types including A, AAAA, MX, and TXT.

Nuclei scans for vulnerabilities using customizable templates written in YAML.

mess with dns provides an interface for viewing and editing DNS records.

DNS Watch looks up DNS records and measures lookup performance across resolvers.

Look up DNS records and nameservers with NSLookup.io’s network utilities.

DNSDumpster searches domain records and related hosts for domain research and reconnaissance.

SSLMate CAA helps generate CAA DNS records and explains which certificate authorities support the record type.

Snyk CLI scans and monitors software projects for security vulnerabilities.

The Snyk Security Database provides vulnerability details and remediation guidance for packages and cloud configurations.

Discover hosts and map networks with Nmap, a network exploration and security scanning tool.

GoPlus offers Web3 security tools including audits, APIs, a user security hub, and a browser extension.

This online generator creates UUIDs in versions 1, 3, 4, 5, 6, and 7 for use in applications and data records.

Use Metasploit to find security issues, verify mitigations, and manage authorized penetration testing assessments.

Wazuh monitors systems and detects threats through an open source security platform for organizations.

Threat Radar displays current cyber threat intelligence on a live map, showing security activity from its data sources.

This Markdown template helps candidates prepare reports for Offensive Security certification exams.

Use community-sourced threat intelligence and blocklists from CrowdSec to support security operations.

Test HTTP security headers such as CSP and HSTS, then review recommendations for improving a site.