A Tool-Based Perspective on Software Code Maintainability Metrics: A Systematic Literature Review

Table 9

Tools available for computing the most popular metrics for the most supported programming languages (open-source tools in bold).

Metric	C	C++	C#	Java	JavaScript
CC	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP
	Codacy	Codacy	Codacy	Codacy	Codacy
	CMT++	CMT++	CMT++	CMTJava	Understand
	Understand	Understand	Understand	JHawk	CodeAnalyzers
	Visual Studio	Visual Studio	CodeAnalyzers	Understand	Escomplex
	MetricsReloaded	Squale	CCFinderX	MetricsReloaded	Eslint
	Squale	CodeAnalyzers		CodeMetrics
	CodeAnalyzers	CCFinderX		CodeAnalyzers
	CCFinderX			CCFinderX
CE	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP
	Understand	Understand	Understand	JHawk	Understand
	Visual Studio	Visual Studio		Understand
	MetricsReloaded	Squale		MetricsReloaded
	Squale
CHANGE	CCFinderX	CCFinderX	CCFinderX	CCFinderX
				Ref-Finder
C&K	Understand	Understand	Understand	Understand	Understand
	Visual Studio	Visual Studio		CKJM
	MetricsReloaded			MetricsReloaded
CLOC	Codacy	Codacy	Codacy	Codacy	Codacy
	Understand	Understand	Understand	JHawk	Understand
	CBR Insight	CBR Insight	CBR Insight	Understand	CBR Insight
	CodeAnalyzers	CodeAnalyzers	CodeAnalyzers	CBR Insight	CodeAnalyzers
				CodeAnalyzers	Eslint
Halstead’s	CMT++	CMT++	CMT++	CMTJava	Escomplex
	Halstead Metrics Tool	Halstead Metrics Tool		JHawk
				Halstead Metrics Tool
JLOC	—	—	—	Codacy	—
				MetricsReloaded
				Squale
LOC	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP
	Codacy	Codacy	Codacy	Codacy	Codacy
	CMT++	CMT++	CMT++	CMTJava	Understand
	Understand	Understand	Understand	JHawk	CBR Insight
	Visual Studio	Visual Studio	CBR Insight	Understand	CodeAnalyzers
	MetricsReloaded	Squale	CodeAnalyzers	MetricsReloaded	JSInspect
	Squale	CBR Insight	CCFinderX	Quamoco Benchmark	Eslint
	CBR Insight	CodeAnalyzers		CBR Insight
	CodeAnalyzers	CCFinderX		CodeAnalyzers
	CCFinderX			CCFinderX
LCOM2	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP
	Understand	Understand	Understand	Understand	Understand
MI	CMT++	CMT++	CMT++	CMTJava	CodeAnalyzers
	Visual Studio	Visual Studio	CodeAnalyzers	JHawk	Eslint
	CodeAnalyzers	CodeAnalyzers		CodeAnalyzers
MPC	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP	CAST’S AIP
				JHawk
NOM	Understand	Understand	Understand	Understand	Understand
	Squale	Squale	CodeAnalyzers	CodeAnalyzers	CodeAnalyzers
	CodeAnalyzers	CodeAnalyzers
NPM	Understand	Understand	Understand	Understand	Understand
	Squale	Squale	CodeAnalyzers	CKJM	CodeAnalyzers
	CodeAnalyzers	CodeAnalyzers		CodeAnalyzers
STAT	Understand	Understand	Understand	JHawk	Understand
	CodeAnalyzers	CodeAnalyzers	CodeAnalyzers	Understand	CodeAnalyzers
				CodeAnalyzers	Eslint
WMC	Understand	Understand	Understand	Understand	Understand
	CBR Insight	CBR Insight	CBR Insight	CKJM	CBR Insight
				CBR Insight