Best GitHub Spark Alternatives in 2026

Prompt, run, edit & deploy full-stack apps in the browser

AI-first code editor

Build software products with AI — no coding needed

Agentic CLI coding tool by Anthropic

AI coding assistant by AWS

The world's first fully autonomous AI software engineer

AI pair programming in your terminal

Autonomous coding agent for VS Code

High-performance AI code editor built in Rust

Build real software with AI in Replit

Google's AI coding assistant for enterprises

AI code assistant that keeps your code private

Generative UI from Vercel

Open-source AI code assistant for any IDE

AI coding assistant trained on your codebase

AI pair programmer

AI-powered developer productivity OS

Code, build, deploy in your browser

The cloud-first harness that gives coding agents a dedicated, isolated computer for every task

AI-driven code review that cuts review time and bugs in half

Extensible, parallel coding workspace you own for delegating and verifying AI agent tasks

Factory AI provides autonomous coding agents called Droids that execute enterprise software development work with min...

Open-source AI developer that builds full-stack apps from a description while you oversee it