There are many open and paid tools available for Source Code Analysis. Here we are listing few of open source free tools.

• Bandit - bandit is a comprehensive source vulnerability scanner for Python
• Brakeman - Brakeman is an open source vulnerability scanner specifically designed for Ruby on Rails applications
• Codesake Dawn - Codesake Dawn is an open source security source code analyzer designed for Sinatra, Padrino for Ruby on Rails applications. It also works on non-web applications written in Ruby
• Deep Dive - Byte code analysis tool for discovering vulnerabilities in Java deployments (Ear, War, Jar).
• FindBugs - (Legacy - NOT Maintained - Use SpotBugs (see below) instead) - Find bugs (including a few security flaws) in Java programs
• FindSecBugs - A security specific plugin for SpotBugs that significantly improves SpotBugs’s ability to find security vulnerabilities in Java programs. Works with the old FindBugs too,
• Flawfinder Flawfinder - Scans C and C++
• GolangCI-Lint - A Go Linters aggregator - One of the Linters is gosec (Go Security), which is off by default but can easily be enabled.
• Google CodeSearchDiggity
• Uses Google Code Search to identifies vulnerabilities in open source code projects hosted by Google Code, MS CodePlex, SourceForge, Github, and more. The tool comes with over 130 default searches that identify SQL injection, cross-site scripting (XSS), insecure remote and local file includes, hard-coded passwords, and much more. Essentially, Google CodeSearchDiggity provides a source code security analysis of nearly every single open source code project in existence – simultaneously.
• Graudit - Scans multiple languages for various security flaws.
• HCL AppScan CodeSweep - This is the first Community edition version of AppScan. It is delivered as a VS Code plugin and scans files upon saving them. The results show the location of a finding, type and remediation advice. The tool currently supports Python, Ruby, JS (Node, Angular, JQuery, etc) , PHP, Perl, COBOL, APEX & a few more.
• Insider CLI - A open source Static Application Security Testing tool (SAST) written in GoLang for Java (Maven and Android), Kotlin (Android), Swift (iOS), .NET Full Framework, C# and Javascript (Node.js).
• LGTM - A free for open source static analysis service that automatically monitors commits to publicly accessible code in: Bitbucket Cloud, GitHub, or GitLab. Supports C/C++, C#, COBOL (in beta), Java, JavaScript/TypeScript, Python
• .NET Security Guard - Roslyn analyzers that aim to help security audits on .NET applications. It will find SQL injections, LDAP injections, XXE, cryptography weakness, XSS and more.
• phpcs-security-audit
• phpcs-security-audit is a set of PHP_CodeSniffer rules that finds flaws or weaknesses related to security in PHP and its popular CMS or frameworks. It currently has core PHP rules as well as Drupal 7 specific rules.
• PMD - PMD scans Java source code and looks for potential code problems (this is a code quality tool that does not focus on security issues)
• PreFast (Microsoft) - PREfast is a static analysis tool that identifies defects in C/C++ programs. Last update 2006.
• Progpilot - Progpilot is a static analyzer tool for PHP that detects security vulnerabilities such as XSS and SQL Injection.
• Puma Scan - Puma Scan is a .NET C# open source static source code analyzer that runs as an IDE plugin for Visual Studio and via MSBuild in CI pipelines.
• Pyre - A performant type-checker for Python 3, that also has limited security/data flow analysis capabilities.
• RIPS - RIPS Open Source is a static source code analyzer for vulnerabilities in PHP web applications. Please see notes on the sourceforge.net site.
• ShiftLeft Scan - Scan is a free open-source DevSecOps platform for detecting security issues in source code and dependencies. It supports a broad range of languages and CI/CD pipelines.
• Sink Tank - Byte code static code analyzer for performing source/sink (taint) analysis.
• SonarQube - Scans source code for more than 20 languages for Bugs, Vulnerabilities, and Code Smells. SonarQube IDE plugins for Eclipse, Visual Studio, and IntelliJ provided by SonarLint.
• SourceGuard - Scans source code for Vulnerable Dependencies, Sensitive Content Leaking, Malicious Files Injection, Malicious IPs/URLs. designed to leverage Check Point’s different prevention technologies and services, provide source code security and visibility into the risk analysis of projects through static analysis. cross-platform CLI tool (Docker available) with an easy integration to any pipeline. provided by Check Point.
• SpotBugs - This is the active fork replacement for FindBugs, which is not maintained anymore.
• VisualCodeGrepper (VCG) - Scans C/C++, C#, VB, PHP, Java, and PL/SQL for security issues and for comments which may indicate defective code. The config files can be used to carry out additional checks for banned functions or functions which commonly cause security issues.
• OWASP Zed Attack Proxy (ZAP) - The OWASP Zed Attack Proxy is a Java-based tool that comes with an intuitive graphical interface, allowing web application security testers to perform fuzzing, scripting, spidering, and proxying in order to attack web apps.

More tools from NIST for Source Code Security Analyzers can be found here.

https://samate.nist.gov/index.php/Source_Code_Security_Analyzers.html