Snyk

Official docs outline

Start scanning
Scanning manually or automatically through the CLI, web UI, API, and pull request checks.
Snyk Open Source
Software composition analysis of dependencies, dependency graphs, and fix pull requests for vulnerable packages.
Snyk Code
Static application security testing of first-party code, data flow findings, and supported languages.
Snyk Container
Scanning container images and base image recommendations for OS and application vulnerabilities.
Snyk IaC
Detecting misconfigurations in Terraform, CloudFormation, Kubernetes, and ARM templates.
Snyk CLI
Using snyk test, monitor, code test and container test locally and in CI, with auth and exit codes.
SCM and CI/CD integrations
Importing repositories through Git integrations, PR checks, and CI/CD pipeline integration.
Prioritizing issues
Risk Score, exploit maturity, reachability, and EPSS used to decide what to fix first.
Policies and ignores
Security and license policies, ignore rules, and the .snyk file for managing accepted risk.
Groups, Organizations, and SSO
Group and Organization hierarchy, roles, permissions, and single sign-on setup.
Snyk API
REST API authentication, versioning, and automating projects, issues, and reporting.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.