The cost of waiting
Legacy systems drain resources, block innovation, and drive talent away.
50%+
of enterprises say legacy IT slows down AI efforts.
70%
of Fortune 500 software is 20+ years old.
6-12 Months
Time required to understand legacy systems manually.
Reverse engineer the true business logic
From legacy to live in 4 steps
A transparent, precision-driven process that keeps you in control.
Step 1: Upload assets
Securely upload functional documentation in PDF format, other project related documents in PDF, and application screenshots.
Step 2: AI extracts intent
AI Agents extract the intent of requirements with precision. It generates modules, processes, data model tables, roles, and user stories. Automatically creates the visual pages.
Step 3: You validate
Validate at each step. Generate, ideate, and validate. Review and optimize every suggestion. Full transparency.
Step 4: Deploy application
Production-ready components generated. Get a fully functioning enterprise core in minutes.
App generation capability
A unified engine to prompt, document, and deploy.
Generate, ideate, & validate
A continuous loop of creation and refinement.
- Start with a prompt or upload a functional PDF document.
- Iterate on AI-powered suggestions instantly.
- Full control over the creative process.
Application in days
Speed without sacrificing structure.
- Automatic updates to visual elements.
- Rapid prototyping to production code.
- Skip months of manual iteration and get an enterprise core application in minutes.
Trusted secure code
Enterprise-grade security is built in by default.
- All changes are aligned with governance standards.
- No vendor lock-in. You own the code.
- Deploy to your own secure cloud environment.
Accelerate your roadmap
Automating discovery frees developers to innovate. Get a modern, cloud-native foundation on day one.
70% faster development
50-70% reduction in foundation development time.
More than 80% approval rate
Most AI outputs need minor or no edits.
15 days for full discovery
Setup for complex systems (100+ entities) that traditionally took months.
Reimagine, don’t replicate
Agentic Modernization Blueprint extracts what your legacy system actually does (the data, roles, and user flows) so your team can decide what to keep, what to optimize, and what to reimagine.
Rebuild on modern, cloud-native, AI-ready architecture without carrying forward decades of technical baggage.
Forever young
Your modernized applications are built for continuous evolution. Adapt to business changes in minutes. No more multi-year cycles or tech debt accumulation. Legacy modernization is the start of continuous innovation.
Powered by Google Cloud
Leverages RAG using Vertex AI and Gemini models. Deploy to your own GCP environment. No vendor lock-in. Vector indexing for incremental AI suggestions.
Rappit’s smart legacy modernization capabilities enabled us to re-imagine and rebuild a custom enterprise application in months. This delivered business continuity for over 750 stores
Jan-Willem van Setten – Enterprise Architect at Hunkemöller
Modernize any core system
ERP, CRM, WMS, TMS, OMS, or custom legacy systems
What’s coming next
Frequently Asked Questions
What file types are supported?
Functional documentation in PDF format, application screenshot images, functional documentation. Source code support coming in Q2 2026.
How much control do we have?
Complete. Your team validates and refines every model before generation. All changes are aligned with governance standards.
How is this different from code migration?
We extract intent, with precision, and rebuild on cloud-native architecture. True modernization, not code conversion.
Can we modernize multiple systems?
Yes. Generate blueprints in parallel.
Transform your legacy systems
See the Agentic modernization blueprint in action