Tools / Best tools / Static analysis
CheckOps
Best static analysis tools in 2026
These are static analysis tools in the CheckOps directory, including entries tagged for SAST or code quality when the static-analysis tag is also present or is the best available match. The directory has 73 tagged entries in this area; this page lists 15.
How we picked
CheckOps is a genuine and free directory. There are no paid sponsors, featured listings, or paid placement on these pages. The shortlist is built from tools already in the directory whose tags match the topic, with a preference for entries that have a fuller CheckOps page so the facts in the table can be checked against the source essay. This is not a claim that one tool is objectively better than another, and it is not a paid ranking.
Well-known tools that already have a CheckOps page in this area are listed first. The rest of the shortlist is filled from other tagged entries, preferring fuller essays so the facts in the table can be checked. That order is a way to keep the page useful, not a quality score and not a paid ranking.
Tools
S1. SonarQube
Modernize your AI workflows with code verification for the agentic era.
Read the CheckOps page · Open source
S2. Snyk
Snyk CLI scans and monitors your projects for security vulnerabilities.
Read the CheckOps page · Commercial, with a free or trial tier tagged
E3. ESLint
ESLint is the MIT-licensed, pluggable linter for JavaScript and TypeScript that finds and fixes problems using configurable rules, flat config and a large plugin ecosystem.
Read the CheckOps page · Open source
C4. CodeQL
CodeQL is GitHub's semantic code analysis engine: it builds a queryable database from source code and runs security queries (MIT-licensed standard library) to find vulnerabilities, powering GitHub code scanning.
Read the CheckOps page · Commercial, with a free or trial tier tagged
C5. Codacy
Codacy is a SaaS code quality and security platform that scans repositories and pull requests for quality issues, security vulnerabilities, duplication and coverage, with a free IDE extension and plans for teams.
Read the CheckOps page · Commercial, with a free or trial tier tagged
P6. Psalm
Psalm is an MIT PHP static analysis tool for finding type errors and security vulnerabilities, including taint analysis for injection flaws.
Read the CheckOps page · Open source
M7. MegaLinter
MegaLinter is an AGPL-3.0 open-source linter orchestrator from OX Security that runs a large set of linters, formatters and security scanners across many languages in one Docker-based CI job.
Read the CheckOps page · Open source
K8. Kodus
Kodus is an open-source AI code review agent you can self-host with the LLM of your choice, reviewing pull requests on GitHub, GitLab, Bitbucket, Azure DevOps and Forgejo with plain-language Kody Rules and a local CLI.
Read the CheckOps page · Open source, with commercial options tagged
R9. Ruff
Ruff is an MIT, Rust-based Python linter and formatter from Astral that is 10-100x faster than Flake8 and Black, with over 900 built-in rules and auto-fix.
Read the CheckOps page · Open source
G10. golangci-lint
golangci-lint is a GPL-3.0 fast linters runner for Go that runs over a hundred linters in parallel with caching, YAML configuration and IDE integration.
Read the CheckOps page · Open source
Q11. Qodo
Qodo is an enterprise AI code review and quality platform with multi-agent PR review, self-learning rules, cross-repo impact analysis, a software map and a CLI toolbox that gives coding agents a quality counterpart.
Read the CheckOps page · Commercial, with a free or trial tier tagged
B12. Bearer CLI
Bearer CLI is a SAST tool that scans source code and analyses data flows to find, filter and prioritise security and privacy risks, with a commercial Bearer Pro from Cycode.
Read the CheckOps page · Open source, with commercial options tagged
B13. Bandit
Bandit is the PyCQA's Apache-2.0 tool for finding common security issues in Python code by building an AST for each file and running security plugins against it.
Read the CheckOps page · Open source
- B
14. Brakeman
Brakeman is a static analysis security vulnerability scanner for Ruby on Rails applications, run from the command line without needing the app to be running.
Read the CheckOps page · Open source
O15. Opengrep
Opengrep is an LGPL-2.1 open-source SAST engine, a fork of Semgrep backed by a consortium of AppSec companies including Aikido, Endor Labs and others.
Read the CheckOps page · Open source
Comparison
License, pricing model, and languages or platforms are taken from tags on each CheckOps page. Pricing notes are a short excerpt from that page's Pricing section when one exists. A blank or "not stated" cell means the CheckOps page does not record it.
| Tool | License | Pricing model | Languages / platforms | Pricing notes |
|---|---|---|---|---|
| SonarQube | Open source | Free, Open source | Not stated in the tags on the CheckOps page | SonarQube is available in both an open-source Community Edition and several commercial editions, including Developer, Enterprise, and Data Center Editions. |
| Snyk | Commercial, with a free or trial tier tagged | Paid, Trial | Not stated in the tags on the CheckOps page | Snyk offers a tiered pricing model designed to accommodate different user needs: Free Tier: The free tier allows users to scan open-source projects for vulnerabilities, making it suitable for individual developers and… |
| ESLint | Open source | Free, Open source | Javascript, Typescript | ESLint is free and open source under the MIT licence. |
| CodeQL | Commercial, with a free or trial tier tagged | Free tier, Paid | Not stated in the tags on the CheckOps page | CodeQL is free for academic research and for analysing open-source codebases, per the CodeQL CLI terms. Use on private code requires a paid GitHub product licence; see GitHub's security plans for current prices. |
| Codacy | Commercial, with a free or trial tier tagged | Free tier, Paid, SaaS, Trial | Not stated in the tags on the CheckOps page | Codacy's pricing page lists a free Developer plan for individual IDE scanning, free use for open-source projects, and a 14-day free trial (no credit card) of paid plans for private repositories. |
| Psalm | Open source | Free, Open source | Php | Psalm is free and open source under the MIT licence. |
| MegaLinter | Open source | Free, Open source | Docker | MegaLinter is free and open source under the AGPL-3.0 licence. |
| Kodus | Open source, with commercial options tagged | Open source, Free tier, Paid | Typescript | The Community plan self-hosts for free. Kodus Cloud offers a 14-day free trial with up to 35 PR reviews and no credit card; paid plans are on the pricing page, and LLM costs are paid directly to your provider. |
| Ruff | Open source | Free, Open source | Python | Ruff is free and open source under the MIT licence. |
| golangci-lint | Open source | Free, Open source | Golang | golangci-lint is free and open source under the GPL-3.0 licence. |
| Qodo | Commercial, with a free or trial tier tagged | Paid, SaaS, Trial | Not stated in the tags on the CheckOps page | Qodo starts with a trial and has no permanent free tier. Its team plan is listed at $30 with review credits priced at $0.015 per credit, pooled across the team; enterprise plans are by quote, and qualified open-source… |
| Bearer CLI | Open source, with commercial options tagged | Open source, Free tier, Paid | Not stated in the tags on the CheckOps page | Bearer CLI is free under the Elastic License 2.0. Bearer Pro is a commercial product from Cycode; see site for pricing. |
| Bandit | Open source | Free, Open source | Python | Bandit is free and open source under the Apache-2.0 licence. |
| Brakeman | Open source | Free, Open source | Ruby | Brakeman is free to use under the Brakeman Public Use License; see the repository for terms. |
| Opengrep | Open source | Free, Open source | Not stated in the tags on the CheckOps page | Opengrep is free and open source under the LGPL-2.1 licence. |
FAQ
- How did CheckOps pick these tools?
- CheckOps is a genuine and free directory. There are no paid sponsors, featured listings, or paid placement on these pages. The shortlist is built from tools already in the directory whose tags match the topic, with a preference for entries that have a fuller CheckOps page so the facts in the table can be checked against the source essay. This is not a claim that one tool is objectively better than another, and it is not a paid ranking.
- Does CheckOps sell placement on this list?
- No. CheckOps does not sell featured or paid placement, and this page does not include sponsored listings.
- How many static analysis tools are in the directory?
- This shortlist has 15 tools. The directory has 73 tagged entries in this area. See the Release & CI gates stage for the wider set.
- Are the one-line summaries complete reviews?
- No. Each line is taken from the tool's CheckOps page (the short description, or the opening of the essay when that description is empty). Open the linked page for the full write-up.