Dropstone 3

Dropstone is a collaborative AI workspace that enables developers, founders, and AI agents to build software together in real-time. It features infinite context and persistent memory for seamless team collaboration.

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At a glance

Pricing

Freemium · Paid

Free tier

Yes

API

Skill level

Technical

Product Hunt

About

What is Dropstone 3?

Dropstone is a collaborative AI workspace designed for real-time software development, bringing together developers, founders, and AI agents. It offers infinite context through its D3 Engine, allowing users to reason about entire codebases without losing information. The platform provides persistent workspace memory, ensuring structured knowledge is retained across sessions, and features Horizon Mode for background AI agents that coordinate autonomously. Dropstone supports multiplayer collaboration, is model-agnostic (compatible with Claude, GPT-4, Gemini, Llama, Mistral, etc.), and includes a full VS Code-compatible editor. It also offers an offline-first mode with Ollama support for local inference and enterprise-grade security.

Best used for

Ideal for developers and founders who need to collaboratively build software, leverage AI agents for development tasks, and maintain comprehensive context across large codebases. Especially valuable for teams seeking real-time co-editing and persistent memory in an AI-powered IDE.

Common actions

collaborate on code

develop software with AI

manage codebase context

automate development tasks

artificial intelligenceproductivityDeveloper Tools

Capabilities

Key features

Real-time multiplayer collaboration
Infinite context via D3 Engine
Persistent workspace memory
Background AI agents (Horizon Mode)
VS Code-compatible editor
Model-agnostic LLM support
Offline-first with Ollama

Target Audience

developerproduct manager

Integrations

Not yet documented

Pricing & Plans

Freemium · Paid

Not publicly disclosed. Check dropstone.io for current pricing.

FAQs

What is the D3 Engine and Horizon Mode?

The D3 Engine provides infinite context, allowing Dropstone to reason about entire codebases without forgetting information. Horizon Mode enables background AI agents to coordinate and work autonomously within the workspace, enhancing collaborative development.

What LLMs does Dropstone support?

Dropstone is model-agnostic, meaning it works with a wide range of large language models. This includes popular models like Claude, GPT-4, Gemini, Llama, and Mistral, offering flexibility for users to choose their preferred AI.

Can I use Dropstone offline?

Yes, Dropstone is designed to be offline-first and includes full Ollama support for local inference. This allows users to continue their development work and leverage AI capabilities even without an active internet connection.

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