# Envalid vs Flyingduck Code Security Intelligence: side-by-side comparison (2026) [Envalid](https://cybersectools.com/tools/envalid) is a free [static application security testing](https://cybersectools.com/categories/sast) solution. [Flyingduck Code Security Intelligence](https://cybersectools.com/tools/flyingduck-code-security-intelligence) is a commercial [static application security testing](https://cybersectools.com/categories/sast) solution by [Flyingduck](https://cybersectools.com/companies/flyingduck). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best SAST Solutions for Business](https://cybersectools.com/shortlists/best-sast-solutions) picks Checkmarx One Application Security Platform, Veracode Application Risk Management Platform, OpenText Fortify SAST and 4 more. ## Side-by-side comparison | | Envalid | Flyingduck Code Security Intelligence | |---|---|---| | Pricing model | Free | Commercial | | Category | Static Application Security Testing | Static Application Security Testing | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | 1,547 | – | | Last commit | Nov 2025 | – | | Company | – | Flyingduck | | Headquarters | – | – | ### Use cases and capabilities | | Envalid | Flyingduck Code Security Intelligence | |---|---|---| | Security Hardening | Yes | – | | Configuration Management | Yes | – | | Security Configuration | Yes | – | | Node.js | Yes | – | | Validation | Yes | – | | License Compliance | – | Yes | | SBOM | – | Yes | | SCA | – | Yes | ### Core features **Envalid** No features listed. **Flyingduck Code Security Intelligence** 10 features listed. Sign in on the page to see them. ### Integrations **Envalid** No integrations listed. **Flyingduck Code Security Intelligence** 1 integration listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Envalid](https://cybersectools.com/tools/envalid) fits if you need to run it on your own servers, you need a free product and you want an open-source product. - [Flyingduck Code Security Intelligence](https://cybersectools.com/tools/flyingduck-code-security-intelligence) fits if you want a cloud product. ## Envalid vs Flyingduck Code Security Intelligence FAQ Common questions when comparing Envalid vs Flyingduck Code Security Intelligence for static application security testing. ### What is the difference between Envalid and Flyingduck Code Security Intelligence? **Envalid**: A Node.js library for validating environment variables and providing immutable access to configuration values in applications. **Flyingduck Code Security Intelligence**: SAST tool that detects logical flaws and business logic vulnerabilities. Built by Flyingduck. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Envalid and Flyingduck Code Security Intelligence? **Envalid** is open-source with 1,547 GitHub stars. **Flyingduck Code Security Intelligence** is made by Flyingduck. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Envalid a good alternative to Flyingduck Code Security Intelligence? Often, yes. Envalid and Flyingduck Code Security Intelligence are both Static Application Security Testing products. Key differences: Envalid is Free while Flyingduck Code Security Intelligence is Commercial, Envalid is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Envalid vs Data Theorem Code SAST Secure](https://cybersectools.com/compare/data-theorem-code-sast-secure-vs-envalid) - [Envalid vs SOOS SAST](https://cybersectools.com/compare/envalid-vs-soos-sast) - [Envalid vs Black Duck Code Sight IDE Plug-in](https://cybersectools.com/compare/black-duck-code-sight-ide-plug-in-vs-envalid) - [Flyingduck Code Security Intelligence vs Data Theorem Code SAST Secure](https://cybersectools.com/compare/data-theorem-code-sast-secure-vs-flyingduck-code-security-intelligence) - [Flyingduck Code Security Intelligence vs SOOS SAST](https://cybersectools.com/compare/flyingduck-code-security-intelligence-vs-soos-sast) - [Flyingduck Code Security Intelligence vs Black Duck Code Sight IDE Plug-in](https://cybersectools.com/compare/black-duck-code-sight-ide-plug-in-vs-flyingduck-code-security-intelligence) ## Alternatives to each - [See all Envalid alternatives](https://cybersectools.com/alternatives/envalid) - [See all Flyingduck Code Security Intelligence alternatives](https://cybersectools.com/alternatives/flyingduck-code-security-intelligence) --- Source: https://cybersectools.com/compare/envalid-vs-flyingduck-code-security-intelligence For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/envalid.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Envalid and Flyingduck Code Security Intelligence: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md