Looking for something like Stackblitz? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are open source.
Build and collaborate on web projects in StackBlitz’s browser-based IDE, with app generation through Bolt.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Google AI for Developers | — | Not stated | Android, Web |
| 2 | Codex | Paid | Not stated | Web |
| 3 | Repo Prompt | — | Not stated | macOS, Web |
| 4 | Devin | — | Not stated | Web |
| 5 | Kilo | — | Not stated | Web |
| 6 | ArchFormation | — | Not stated | Web |
| 7 | Heatbot.io | — | Not stated | Web |
| 8 | Ludus AI | — | Not stated | Web |
| 9 | SampleApp.ai | — | Not stated | Web |
| 10 | Potpie | — | Not stated | Web |
Google AI for Developers provides Gemini and Gemma models, the Gemini API, and AI Studio for building developer applications.
Codex supports software work such as planning, building features, refactoring, reviewing, and releasing code.
A native macOS context engineering toolbox, Repo Prompt helps build AI prompts from code repositories.
Devin provides autonomous coding agent features for developers doing software engineering work.
Kilo provides open-source AI coding assistance through VS Code, JetBrains, command-line, and cloud interfaces.
ArchFormation lets users design cloud infrastructure visually and generate Terraform code for deploying systems to AWS.
Heatbot uses uploaded heatmaps to generate redesigned website interfaces and code.
Ludus AI provides Unreal Engine developers with tools for C++ code, Blueprints, scenes, sound, 3D models, and VFX.
SampleApp.ai provides a Stripe-like sample app experience for testing how coding agents work with an API.
Potpie creates task oriented agents for codebases that assist with engineering work such as debugging and testing.
Kilo provides an open-source coding agent and an agentic engineering platform.
A curated collection of research on language models for code and software engineering, along with related datasets.
VibeKit provides an open-source React Native starter with ready-made features such as notifications and RevenueCat integration.
Search programming questions with Devv, a search engine built for developers.
Vapi lets developers build, test, and deploy voice agents for conversational applications.
VibeBlocks turns app ideas into structured technical blueprints that users can copy into tools such as Lovable, Cursor, Bolt.new and Replit.
Refact.ai provides an open-source coding agent for code generation, debugging, and testing with codebase context and on-premise deployment.
Amazon Q Developer adds command autocompletion, natural language chat, and code generation to the command line.
Vitara builds web and mobile software from chat prompts, with example projects for React and React Native applications.
Frontly builds custom apps without code, with AI-assisted creation and visual editing tools.
Warp describes an open platform for building and managing software development agents across the software development lifecycle.
Bravo Studio converts Figma designs into iOS and Android apps and lets teams build through a visual no-code platform.
Nuanced helps turn rough ideas into clear specifications and keeps users connected as coding agents build from them.
Describe a business and the platform builds a website, app or business system, then handles incoming bookings and requests.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
