Agent 3Replit
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Related Products
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About
Replit Agent 3 is the most autonomous, AI-powered builder yet for creating production-ready applications entirely through natural-language prompts. You describe the app or website idea, and Agent automatically handles everything: setting up the full-stack environment, designing interfaces, configuring databases, managing dependencies, and integrating authentication or third-party services like Stripe or OpenAI. It offers two development modes: a visual-first “Start with a design” option that generates a clickable prototype in just minutes before enabling full functionality, or a “Build the full app” mode that constructs a functioning application, including frontend, backend, and integrations, in around 10 minutes. Agent 3 also self-tests within a browser workflow, identifying bugs, fixing them, and rerunning tests in a continuous reflection loop that is up to 3x faster and 10x more cost-efficient than traditional testing models.
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About
Backgrind is an overlay window for AI coding agents, built for vibe coders and pro developers on macOS and Windows. It puts Claude Code, Cursor, or its hosted Grindy model in an always-on-top window that floats over whatever you are doing, so you can fire off a task, go build or play, and only get tapped when the agent actually needs you. Backgrind works as a thin frontend over the CLI you already use, keeping your login, history, hooks, and workflow intact while floating over your editor, browser, docs, or even a borderless full-screen game. The window can be dragged, stretched, recolored, faded through, summoned with a hotkey, or switched into click-through glance mode so your clicks and keystrokes pass straight to what is underneath. It flashes and chimes only when your agent needs approval, asks a question, or finishes. Backgrind also acts like a real mini-IDE, with a file tree, syntax-highlighted previews, rendered Markdown, and clickable file links.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Product managers in search of a solution to build, test, and deploy fully functioning apps using plain-language prompts, guided development modes, and high-autonomy AI assistance
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Audience
Context-switching developers who want their AI coding agents to keep working in the background while they stay focused elsewhere
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$20 per month
Free Version
Free Trial
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Pricing
$7.50 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationReplit
Founded: 2016
United States
replit.com/agent3
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Company InformationBackgrind
Founded: 2026
United States
backgrind.com
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