Free and open first
Best Code Metrics Tools in 2026
Code Metrics Tools covers software for reviewing code measurements. Buyers on a budget can review entries that run on Linux, macOS, Windows, through APIs, on self-hosted setups, or on the web.
- 15 apps
- Research read 22 Oct 2026
- How the order is worked out
- 1
Checkstyle
Free plan LinuxMacWindowsChoose Checkstyle if you need free, configurable checks to help Java code follow a coding standard across command line, build, IDE, or CI workflows.
- 2
CodeMR
Free plan LinuxMacSelf-hosted+1Choose CodeMR if you need architecture metrics, visual analysis and reports for one of its supported languages, with analysis kept local.
- 3
CodeScene
Free plan APILinuxSelf-hosted+1CodeScene combines code-quality analysis with insight into team knowledge and software delivery.
- 4
DeepSource
Free plan APILinuxMac+3DeepSource combines pull request review with security scans and code-coverage thresholds. Compare the free tier’s monthly allowances with your review volume, and note the annual billing on Team.
- 5
CodeFactor
Free plan WebCodeFactor combines code-quality summaries and issue tracking with branch controls, analysis tools, and review features.
- 6
Qlty Cloud
Free plan APIExtensionLinux+3Qlty Cloud combines code analysis, pull-request feedback, and coverage workflows. Compare the monthly analysis and autofix allowances with your team's usage before choosing a plan.
- 7
PVS-Studio
Free plan LinuxMacWindowsChoose PVS-Studio if your team needs multi-language source analysis, security checks, and integrations with development tools.
- 8
Teamscale
Free plan APILinuxMac+3Choose Teamscale if your team needs quality and test analysis across varied languages, repositories and development environments.
- 9
Understand
Free plan APIExtensionLinux+3Choose Understand if you need static code analysis and navigation across its supported languages, or need command-line, CI, self-hosted or offline workflows.
- 10
JArchitect
Free trial APILinuxMac+2JArchitect offers broad Java and JVM analysis with customizable checks, quality reporting, and DevOps connections.
- 11
Kiuwan Code Security
Free trial APILinuxMac+3Kiuwan Code Security combines source scanning, customizable rules, quality gates and compliance reporting, with both cloud and on-premises analysis options.
- 12
NDepend
Free trial APIExtensionLinux+2NDepend brings static analysis, architecture views, quality gates, reporting, and CI integrations to .NET codebases.
- 13
Lizard
Free plan LinuxMacWindows - 14 4.1 Visit site
- 15 3.7 Visit site
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare the available free plan, trial period, pricing model, and platform fit. If you need to read or change code, check the tool's licence before choosing it.
Questions
Which entries provide a free plan?
The entries listing free plans are Checkstyle, CodeFactor, CodeMR, CodeScene, DeepSource, Lizard, PVS-Studio, and Qlty Cloud.
Which entries have a listed free trial?
Listed trial lengths are 14 days for CodeFactor, CodeScene, DeepSource, JArchitect, and NDepend, and 7 days for PVS-Studio.
What pricing models appear here?
The list includes free, freemium, and paid pricing models. Paid or freemium tools may still list a free plan or trial.
Which platforms should I compare?
Compare support for Linux, macOS, Windows, API access, self-hosting, and web use with the environment you need.
How do I check whether a tool suits open-source work?
Read the tool's licence and terms before using, modifying, or distributing it. Confirm that they fit your project and distribution plans.