Best 5 Tools for Writing Integration Tests in 2025

Qodo is a complete AI assistant for coding that includes three main products working together. Qodo Gen works inside your code editor to help write code, create tests, and add documentation. Qodo Merge connects with Git platforms to review pull requests automatically and create clear descriptions. Qodo Command runs from your terminal to automate development tasks.

Zencoder is a tool that adds AI coding abilities to your existing code editor. You install it as an extension, and it starts helping you write better code faster. It can read through your entire project, understand how everything connects, and use that knowledge to help you.

OpenAI Codex is an AI agent designed to help with software development. It connects to your code projects through GitHub and can read, write, and run code in a secure cloud environment. Unlike simple code completion tools, Codex can handle complete tasks like building features, debugging problems, and writing tests.

Tabnine is a code assistant that uses AI to suggest code completions as you type. When you start writing code, it predicts what you want to write next and shows suggestions for entire lines, functions, or code blocks. Unlike basic auto-complete tools, Tabnine understands context and coding patterns to make accurate predictions.

Zed is a high-performance, multiplayer code editor designed from the ground up for speed and collaboration. Created by the team behind Atom, Electron, and Tree-sitter, Zed represents over 15 years of experience building developer tools.