Best legacy system analysis tools in 2025

Fastn.ai (composable middleware)

Connect applications and data sources with ease.

Vigilocity

Real-time cyber threat monitoring and breach response.

ObfusCat

Securely masks code for AI assistance without revealing details.

CollectivAI

Instantly understand any codebase with ease.

aasaan

Build and manage your online store without coding.

Synthetaic

Advanced AI for swift visual data analysis and monitoring.

accessiBe

Automated website accessibility compliance for all users.

Zigi

Automates data transfers between software applications for teams.

Mermaid Chart

Create diagrams quickly using text-based input.

CostGPT

Quickly generates detailed project estimates for developers.

Boost.space

Easily synchronize data across 2,000+ applications with no coding.

Convex

A reactive database for real-time app development.

Rely.io

Central hub for engineering teams to enhance performance and collaboration.

CircleCI

Automates code testing and deployment for software teams.

WithMaverick

Automated code review for GitHub pull requests.

Flo

Automatic error detection for efficient coding and debugging.

CodeComplete

AI-powered coding assistant for enterprise software development.

TLDR

AI-driven code explanations in plain English for developers.

Eval

Virtual partner for coding and software development.

Replit gpt assistant

Coding assistant designed to resolve development issues efficiently.

Jenkins

Open-source automation server for software development processes.

Codeship

Cloud-based solution for Continuous Integration and Delivery workflows.