Best development environment tools in 2025

Gocode playground

An online space for writing and testing Golang code.

Coddy

Comprehensive coding education hub with interactive challenges.

Prepfox

Interactive coding interview preparation resource.

Cheetah AI

AI-driven coding interview practice for software engineers.

Codemia

Engaging practice for mastering system design concepts.

AI Interview Copilot

Real-time transcription and support for interview preparation.

Codei AI

Streamline job applications and sharpen coding skills effectively.

Prepair

Mock interviews for software engineers to practice coding skills.

ngBot

Chat with tech documentation using natural language.

Codecademy AI Learning Tools

Interactive coding education with personalized AI support.

Daetama

Practice SQL skills with real-world questions for interviews.

HackerRank

Automated coding assessments for hiring technical talent.

Juni Learning

Engaging online coding and math classes for kids

Free + from $299/m
open
CodeSignal Learn

Interactive learning for programming skills and interview preparation.

AlgoHack

Practice coding interviews with real-time simulations and feedback.

Codebay.ai

Learn Python through interactive AI-guided lessons.

CodeStack AI

Interactive coding experience for practical learning and skill development.

Nextprep

Streamlined coding assessments for effective candidate evaluation.

LeetCard

Practice coding with personalized guidance and progress tracking.

AI Code Playground

Interactive coding space for learning and practicing programming.

JavaScript

Learn programming fundamentals through interactive online courses.

Xenomind

A creative platform for developing engaging tabletop gaming experiences.

Project CodeNet by IBM

A dataset to train AI in understanding and generating code.

Tinkercad

Create engaging 3D models and electronics projects online.

Codehugo

Interactive coding mentor for instant assistance and skill enhancement.