Alternatives

Jspecify alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Jspecify

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.

100
Quality
96
Trust
1.1K
Stars
#1

NullAway

Similarity 138Trust 96Excellent 100

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

4.1K starsJun 15, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add uber/NullAway
#2

Tai E

Similarity 129Trust 93Excellent 100

An easy-to-learn/use static analysis framework for Java and Android

1.8K starsJun 9, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add pascal-lab/Tai-e
#3

Bytecode Viewer

Similarity 125Trust 96Excellent 100

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

16K starsApr 2, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add Konloch/bytecode-viewer
#4

Checkstyle

Similarity 124Trust 97Excellent 100

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

8.9K starsJun 16, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add checkstyle/checkstyle
#5

WALA

Similarity 124Trust 89Excellent 87

T.J. Watson Libraries for Analysis, with front ends for Java, Android, and JavaScript, and many common static program analyses.

857 starsJun 14, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add wala/WALA
#6

Sonarqube

Similarity 124Trust 95Excellent 100

Continuous Inspection

11K starsJun 12, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add SonarSource/sonarqube
#7

Booster

Similarity 123Trust 90Excellent 98

🚀Optimizer for mobile applications

5.1K starsMar 15, 2026 pushdevelopmentKotlinStatic Analysis
$ npx skills add didi/booster
#8

Recaf

Similarity 123Trust 94Excellent 100

The modern Java bytecode editor

7.2K starsJun 15, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add Col-E/Recaf
#9

Error Prone

Similarity 123Trust 94Excellent 100

Catch common Java mistakes as compile-time errors

7.2K starsJun 15, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add google/error-prone
#10

Mobsfscan

Similarity 123Trust 85Strong 76

mobsfscan is a static analysis tool that can find insecure code patterns in your Android and iOS source code. Supports Java, Kotlin, Swift, and Objective C Code. mobsfscan uses MobSF static analysis rules and is powered by semgrep and libsast pattern matcher.

761 starsMar 12, 2026 pushdevelopmentPythonStatic Analysis
$ npx skills add MobSF/mobsfscan
#11

Spotbugs

Similarity 122Trust 96Excellent 100

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

3.9K starsJun 13, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add spotbugs/spotbugs
#12

Horusec

Similarity 122Trust 93Excellent 100

Horusec is an open source tool that improves identification of vulnerabilities in your project with just one command.

1.3K starsMay 24, 2026 pushdevelopmentGoStatic Analysis
$ npx skills add ZupIT/horusec
#13

Pmd

Similarity 122Trust 90Excellent 100

An extensible multilanguage static code analyzer.

5.4K starsJun 12, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add pmd/pmd
#14

Find Sec Bugs

Similarity 121Trust 94Excellent 99

The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)

2.4K starsMar 26, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add find-sec-bugs/find-sec-bugs
#15

Appshark

Similarity 121Trust 91Excellent 94

Appshark is a static taint analysis platform to scan vulnerabilities in an Android app.

1.7K starsMar 4, 2026 pushdevelopmentKotlinStatic Analysis
$ npx skills add bytedance/appshark
#16

Soot

Similarity 121Trust 89Excellent 100

Soot - A Java optimization framework

3.1K starsMay 29, 2026 pushdevelopmentJavaStatic Analysis
$ npx skills add soot-oss/soot

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Jspecify if it already passes your workflow test and repository review.

Next step

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Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.