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Infer

Infer is an MIT static analyser from Meta for Java, C, C++ and Objective-C that finds null dereferences, resource leaks, races and other bugs with inter-procedural analysis.

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Introduction

Infer is a static analyser for Java, C, C++ and Objective-C, written in OCaml and developed at Meta. It performs inter-procedural analysis based on separation logic and bi-abduction, which lets it scale to large codebases and analyse changes incrementally.

Infer reports issues such as null pointer exceptions, resource leaks, thread-safety violations, deadlocks and other bug classes depending on the enabled checkers. It captures compilation by wrapping build commands, for example infer run -- mvn package or infer run -- make, and can analyse only changed files in a diff workflow.

In the quality loop Infer is a deep static gate for compiled languages.

The source code is at meta/infer on GitHub under the MIT licence, with about 15,800 stars; the most recent commit was on 10 November 2026.

Features

  1. Inter-procedural analysis: Reasoning across function boundaries.
  2. Null and leak checks: Common runtime failures.
  3. Concurrency checks: Races and deadlocks.
  4. Build capture: Wraps Maven, Gradle, make and others.
  5. Differential mode: Analyse changes only.
  6. Multiple languages: Java, C, C++, Objective-C.

Pros

  1. Scales: Designed for very large codebases.
  2. Free to use: Open source under the MIT licence, so the core tool costs nothing to use.
  3. Actively maintained: The repository had commits as recent as 10 November 2026.
  4. Community: About 15,800 GitHub stars.

Cons

  1. Setup: Build capture can be fiddly.
  2. Binary size: Large install.
  3. Learning curve: Checker options take time.
infer run -- ./gradlew build
infer explore

Resources:

Pricing

Infer is free and open source under the MIT licence.

  1. Large Java or C/C++ codebases.
  2. Mobile teams using Java or Objective-C.

Conclusion

Infer brings research-grade static analysis to everyday builds.

Start with differential mode on pull requests.

On CheckOps, Infer is filed under the Release & CI gates and Security testing stages. Related tools listed here include Cppcheck, SpotBugs, Error Prone, CodeQL, Semgrep and SonarQube. When comparing them, weigh the licence, the languages and platforms each supports, whether it is self-hosted or managed, and how cleanly it slots into your existing CI pipeline. Details on this page were checked against the official website, documentation and repository on 11 November 2026.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Infer side by side.