Full comparison of DevSecOps and security tools for DevOps freelancers.
Last updated: 2026-05-26#
SAST (Static Application Security Testing)#
| Tool | Stars | License | Languages | Best For |
|---|
| Semgrep | 11k+ | LGPL 2.1 | 30+ languages | Fast, custom rules, CI-native |
| SonarQube | 9k+ | LGPL 3.0 | 30+ languages | Deep analysis, tech debt |
| CodeQL | 8k+ | MIT | 10+ languages | GitHub integration, powerful queries |
SCA / Dependency Scanning#
| Tool | Stars | License | Best For |
|---|
| Snyk | - | SaaS | Developer-first security |
| Trivy | 25k+ | Apache 2.0 | All-in-one scanner (containers + deps + IaC) |
| Dependabot | - | Built-in GitHub | Automated dependency updates |
| OWASP Dependency-Check | 7k+ | Apache 2.0 | Classic SCA tool |
Container / Image Scanning#
| Tool | Stars | License | Best For |
|---|
| Trivy | 25k+ | Apache 2.0 | Comprehensive container scanning |
| Grype | 9k+ | Apache 2.0 | Fast, Syft-integrated scanning |
| Clair | 10k+ | Apache 2.0 | Open-source container scanner |
| Docker Scout | - | Built-in Docker | Docker-native scanning |
IaC Security Scanning#
| Tool | Stars | License | Best For |
|---|
| Checkov | 7k+ | Apache 2.0 | Broad IaC coverage (Terraform, CloudFormation, K8s) |
| Trivy (includes tfsec) | 25k+ | Apache 2.0 | Unified scanning (now includes all IaC) |
| KICS | 2k+ | Apache 2.0 | Infrastructure as code scanning |
Secret Detection#
| Tool | Stars | License | Best For |
|---|
| GitLeaks | 18k+ | MIT | Git-based secret scanning |
| TruffleHog | 16k+ | Apache 2.0 | Deep secret scanning (includes regex + entropy) |
Runtime Security#
| Tool | Stars | License (CNCF) | Best For |
|---|
| Falco | 8k+ | Apache 2.0 (Graduated) | Container runtime security, behavioral monitoring |
| Kubescape | 2k+ | Apache 2.0 (Incubating) | K8s security posture management |
| KubeArmor | 3k+ | Apache 2.0 (Incubating) | K8s container security |
Policy as Code#
| Tool | Stars | License (CNCF) | Best For |
|---|
| Kyverno | 6k+ | Apache 2.0 (Incubating) | K8s-native policy management |
| OPA/Gatekeeper | 10k+ | Apache 2.0 (Graduated) | General-purpose policy engine |
Freelance DevSecOps Opportunities#
| Service | Rate Range | Key Tools |
|---|
| DevSecOps pipeline integration | $100-180/hr | Trivy + Semgrep + OPA |
| Security audit for CI/CD | $120-200/hr | Checkov + GitLeaks + Snyk |
| Container security hardening | $100-160/hr | Falco + Trivy + Kubescape |
| Compliance automation (SOC2/HIPAA) | $150-250/hr | OPA + Kyverno + Sigstore |
| Secrets management migration | $100-150/hr | Vault + SOPS + External Secrets |
| Supply chain security | $120-200/hr | Sigstore + SLSA + SBOM tools |
| Runtime security monitoring | $120-180/hr | Falco + KubeArmor |
Learning Resources#