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Build Your Business on Bedrock.

The open-source platform with a bulletproof accounting core, giving you the freedom to build the tools you actually need.

Stop Patching, Start Building

The Patchwork Path

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The Solid Solution

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Stop wasting time and money on a patchwork of apps that don't communicate. DDAS unifies your entire workflow on a single, rock-solid foundation. When your sales, client management, and operations are all tied to a verifiable accounting core, you get a true, real-time picture of your business health.

Blueprint animation showing the DDAS core engine and modules

Your Blueprint for Growth

1. The Unbreakable Core

Every transaction, client, and project is underpinned by professional-grade, double-entry accounting. This isn't just data; it's verifiable financial truth.

2. Add Pre-Built Power

Instantly add official modules to manage client relationships, invoicing, and bank reconciliation. They're designed to work seamlessly with the core from day one.

3. Build Anything You Imagine

Need inventory, project management, or a specific workflow? Hire a developer or use AI tools to build a custom module on top of your solid foundation. The platform is yours to command.

Your Business, Your Asset.

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Unmatched Security

With open code, there are no hidden backdoors. Your financial data remains private and secure.

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No Vendor Lock-In

Your data is always yours. Export it, move it, or host it anywhere, anytime, without restrictions.

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Future-Proof

You are never dependent on a single company. The software can be supported and extended forever.

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Predictable Costs

Say goodbye to surprise subscription hikes. Our licensing is transparent and fair.

Ready to Lay Your Foundation?

Download the DDAS Core for free and start building a business that's built to last. No credit card, no trial period.

Download Free & Start Building