Best legacy code tools in 2025

FindBugs

Static analysis tool for detecting bugs in Java code.

16x Prompt

Efficient prompt management for developers tackling complex coding tasks.

Free + from $48.00/lifetime
open
CodeDefender

AI assistant for enhancing code quality and development experience.

Aiproxy

Protect API keys with a secure and easy proxy solution.

JS2TS

Convert JavaScript code to TypeScript quickly and accurately.

Codei AI

Streamline job applications and sharpen coding skills effectively.

Bloop

Converts COBOL code to readable Java while ensuring accuracy.

Polljoy

Engagement solution for game developers to gather player feedback.

Otto Engineer

AI-powered coding assistant for developers.

DebugPT

AI-driven debugging assistant for developers to enhance code quality.

Wasps

AI-driven code reviews for real-time feedback in your IDE.

Nunu

AI-driven game testing automation for quality assurance.