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LGTM

Automate code reviews and enhance quality with seamless GitHub integration.

Freemium

About LGTM

LGTM (Looks Good To Me) is a sophisticated code analysis and review platform designed to help developers identify and rectify issues within their codebases. At its core, LGTM utilizes advanced static analysis technology, specifically CodeQL, to scan code for potential vulnerabilities, coding errors, and maintainability issues. By integrating seamlessly with GitHub, LGTM enhances the code quality of projects by automating the scanning process, allowing developers to focus on writing code rather than debugging. The platform supports various programming languages, making it versatile and applicable across a wide range of development environments. One of the standout features of LGTM is its ability to provide real-time feedback on code changes, which is crucial in a fast-paced development cycle. As developers commit their code, LGTM analyzes it and flags potential issues, enabling teams to address problems before they escalate into significant bugs or security vulnerabilities. This proactive approach not only improves the overall quality of the software but also fosters a culture of code review and collaboration among team members. The benefits of using LGTM extend beyond mere error detection. By incorporating LGTM into the development workflow, teams can streamline their code review processes, reduce the time spent on manual checks, and enhance collaboration through shared insights. The platform also offers detailed reports and metrics, allowing teams to track their progress over time and make informed decisions about code quality improvements. Furthermore, LGTM's integration with GitHub means that developers can leverage their existing workflows without significant disruption, making it a practical choice for teams already embedded in the GitHub ecosystem. Use cases for LGTM are abundant. For instance, a startup developing a new application can use LGTM to ensure that their codebase is secure and maintainable from the outset. Similarly, established enterprises can utilize LGTM to audit legacy code, identify technical debt, and enhance the security posture of their applications. Open-source projects can also benefit from LGTM by attracting contributors who value high code quality and security practices, thus fostering a healthier community around the project. In summary, LGTM stands out as a powerful tool for developers seeking to improve code quality and security. Its integration with GitHub, real-time analysis capabilities, and comprehensive reporting features make it an invaluable asset for teams aiming to deliver robust and reliable software. As the platform continues to evolve, it promises to remain at the forefront of code analysis technology, helping developers navigate the complexities of modern software development with confidence.

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LGTM Key Features

Automated Code Scanning

LGTM provides automated code scanning using CodeQL, a powerful static analysis engine. This feature allows developers to identify vulnerabilities, coding errors, and maintainability issues in their codebases without manual intervention, improving code quality and security.

GitHub Integration

Seamlessly integrates with GitHub, enabling developers to incorporate code analysis directly into their workflow. This integration allows for continuous monitoring of code changes and provides immediate feedback on pull requests, enhancing collaboration and code review processes.

Custom Query Console

LGTM offers a custom query console that allows developers to write and execute their own CodeQL queries. This feature provides flexibility for advanced users to tailor the analysis to specific needs, uncovering unique insights and potential issues in the code.

Security Alerts

Automatically generates security alerts for identified vulnerabilities, helping developers prioritize and address critical issues. These alerts are integrated into GitHub's security tab, providing a centralized location for managing security concerns.

Code Quality Badges

LGTM provides code quality badges that can be displayed on project repositories. These badges offer a visual representation of the code's health, encouraging best practices and transparency in open-source projects.

Historical Analysis

Allows developers to track code quality over time by analyzing historical data. This feature helps in understanding trends, identifying recurring issues, and measuring the impact of code changes on overall quality.

Multi-language Support

Supports a wide range of programming languages, including Java, JavaScript, Python, C++, and C#. This broad language support makes LGTM a versatile tool for diverse development environments.

Scalability

Designed to handle large codebases efficiently, LGTM scales to meet the needs of enterprise-level projects. Its robust infrastructure ensures consistent performance, even as projects grow in size and complexity.

LGTM Pricing Plans (2026)

Free Tier

Free /monthly
  • Basic code scanning
  • Integration with GitHub
  • Limited to individual users; advanced features may require a paid plan.

Pro Tier

Pricing available upon request /monthly/yearly
  • Advanced code analysis
  • Priority support
  • Custom integrations
  • Pricing varies based on team size and features selected.

LGTM Pros

  • + Automated scanning reduces manual code review time, allowing developers to focus on writing code.
  • + Seamless integration with GitHub enhances usability without requiring additional tools or processes.
  • + Real-time feedback helps catch issues early in the development cycle, reducing the cost of fixing bugs.
  • + Comprehensive reporting provides valuable insights into code quality and team performance over time.
  • + Support for multiple programming languages makes it versatile for various development projects.
  • + Robust security vulnerability detection helps teams maintain a secure codebase.

LGTM Cons

  • Limited customization options for advanced users seeking tailored analysis configurations.
  • Dependency on GitHub for integration may limit use for teams using different version control systems.
  • Some advanced features may not be fully compatible with certain coding practices or legacy codebases.
  • Transitioning from LGTM to GitHub code scanning may require additional effort from teams.

LGTM Use Cases

Enterprise Security Enhancement

Large organizations use LGTM to enhance their security posture by automatically scanning extensive codebases for vulnerabilities. This proactive approach helps prevent security breaches and ensures compliance with industry standards.

Open Source Project Maintenance

Open source maintainers leverage LGTM to maintain high code quality and security standards. By displaying code quality badges, they promote transparency and attract contributors who value well-maintained projects.

Continuous Integration Workflow

Development teams integrate LGTM into their CI/CD pipelines to automate code analysis. This integration ensures that only high-quality, secure code is merged into the main branch, reducing technical debt and improving overall project health.

Custom Security Audits

Security teams use the custom query console to perform tailored security audits. By writing specific CodeQL queries, they can identify unique vulnerabilities and compliance issues relevant to their organization's policies.

Educational Tool for Developers

Educational institutions and training programs use LGTM to teach students about code quality and security. By analyzing real-world projects, students gain practical experience in identifying and fixing coding issues.

Legacy Code Refactoring

Teams working with legacy codebases use LGTM to identify areas that require refactoring. By analyzing historical data, they can prioritize efforts to modernize and improve the maintainability of older code.

What Makes LGTM Unique

CodeQL Analysis Engine

LGTM's use of CodeQL, a powerful static analysis engine, differentiates it from competitors by providing deep insights into code vulnerabilities and quality issues.

Seamless GitHub Integration

The seamless integration with GitHub allows for a smooth workflow, enabling developers to receive immediate feedback on code changes directly within their existing development environment.

Custom Query Flexibility

The ability to write custom CodeQL queries offers unparalleled flexibility for advanced users to tailor the analysis to their specific needs, setting LGTM apart from more rigid solutions.

Comprehensive Language Support

LGTM's support for a wide range of programming languages makes it a versatile tool suitable for diverse development environments, unlike some competitors with limited language support.

Who's Using LGTM

Enterprise Teams

Enterprise development teams use LGTM to ensure their code meets security and quality standards. The tool's scalability and integration capabilities make it ideal for large, complex projects.

Open Source Maintainers

Open source project maintainers use LGTM to maintain transparency and attract contributors by showcasing code quality through badges and automated analysis.

Freelancers

Freelancers use LGTM to enhance their reputation by delivering high-quality, secure code to clients. The tool's ease of use and integration with GitHub streamline their workflow.

Security Analysts

Security analysts use LGTM's advanced query capabilities to conduct in-depth security audits and identify vulnerabilities specific to their organization's needs.

Educational Institutions

Educational institutions incorporate LGTM into their curriculum to teach students about software quality and security, providing hands-on experience with industry-standard tools.

How We Rate LGTM

7.6
Overall Score
Overall, LGTM is a powerful tool for code analysis, with a few limitations that may affect specific user needs.
Ease of Use
8.3
Value for Money
6.4
Performance
8.4
Support
7.4
Accuracy & Reliability
7.2
Privacy & Security
7.5
Features
8.8
Integrations
7.7
Customization
6.6

LGTM vs Competitors

LGTM vs SonarQube

While both LGTM and SonarQube offer code analysis features, LGTM's integration with GitHub provides a more seamless experience for GitHub users.

Advantages
  • + Strong GitHub integration
  • + Real-time feedback on commits
Considerations
  • SonarQube may offer more customization options and additional metrics.

LGTM Frequently Asked Questions (2026)

What is LGTM?

LGTM is a code analysis and review platform that helps developers identify and fix issues in their codebases through automated scanning.

How much does LGTM cost in 2026?

Pricing details for LGTM are currently not publicly available, as it is integrated into GitHub's offerings.

Is LGTM free?

LGTM was free for individual users, but as it transitions to GitHub code scanning, pricing may vary based on GitHub plans.

Is LGTM worth it?

LGTM provides significant value by enhancing code quality and security, making it a worthwhile investment for many teams.

LGTM vs alternatives?

LGTM offers unique integration with GitHub and advanced analysis capabilities, setting it apart from competitors like SonarQube.

Can LGTM analyze multiple programming languages?

Yes, LGTM supports a wide range of programming languages, making it versatile for various projects.

How does LGTM ensure code security?

LGTM uses static analysis to identify potential security vulnerabilities in the codebase.

What happens to my data on LGTM?

Data privacy and security are prioritized, but users should review their organizational policies for compliance.

Can I customize the analysis rules in LGTM?

Customization options are limited, which may not suit all advanced users' needs.

What is the transition plan for LGTM users?

Existing LGTM users will be guided through migrating to GitHub code scanning as LGTM is gradually deprecated.

LGTM on Hacker News

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VS Code Extension

3K
Installs
5.0
1 reviews

LGTM Company

Founded
2003
23.1+ years active

LGTM Quick Info

Pricing
Freemium
Upvotes
0
Added
January 18, 2026

LGTM Is Best For

  • Software developers
  • Security professionals
  • DevOps teams
  • Project managers
  • Open-source contributors

LGTM Integrations

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