Chat your way to a full-stack app with database and auth.
Best Stackblitz Alternatives in 2026Free, Open-Source & Cheaper Options
Stackblitz is a code & app builders tool — Stackblitz — AI tool at stackblitz.com. Below are the highest-rated alternatives in the same space, ranked by community rating, with pricing transparency so you can find a cheaper or fully free swap.
Stackblitz alternatives
AI-first code editor with whole-codebase context.
Thoughtful assistant with a huge context window.
Give humans and agents complete context to understand, oversee, and evolve the world
FlutterFlow is a visual development platform that lets you build high-quality mobile, web, and desktop applications faster than ever.
Documentation for Sourcegraph, the code intelligence platform.
Connect AI models to build AI apps in minutes, with no-code. The next generation of AI-powered apps will be built by you.
RETOL — AI tool at retol.com.
Calendly connects and simplifies all of the work around meetings, from scheduling, payments, and meeting prep to notetaking, contact management, and follow-up.
Continue has been acquired by Cursor.
Grit — AI tool at grit.io.
Cognition operates Devin, the first autonomous software engineer. Devin plans, writes, tests, and ships production code inside your existing workflows.
The future isn't writing code. It's understanding it. Review, prioritize, understand, and secure agent outputs with CodeRabbit.
Aider — AI tool at aider.chat.
Openhands — AI tool at openhands.ai.
Adrenaline — AI tool at useadrenaline.com.
In-browser AI dev environment that scaffolds and runs apps.
Novita AI provides 200+ Model APIs, custom deployment, GPU Instances, and Serverless GPUs. Scale AI, optimize performance, and innovate with ease and efficiency.
Illacloud — AI tool at illacloud.com.
Mendable allows you to easily build AI chat applications. Ingest, customize, then deploy with one line of code anywhere you want. Brought to you by SideGuide
Stop grappling with data, scouring for the perfect React library, and coding everything from scratch. Build custom software 10X faster with Appsmith.
Pictory's powerful AI enables you to create and edit professional quality videos using text, no technical skills required or software to download.
Self-updating documentation for startups, enterprises, and agents.
Your collaborative AI assistant to design, iterate, and scale full-stack applications for the web.