Ledvana ERP Pro
Windows 10/11 · Accounting & ERPIFRS-ready accounting and ERP: ledgers, invoicing, IFRS 9, IFRS 16, fixed assets, loans, payroll, approvals, reports, an AI assistant and cloud multi-user.
Wicked System Studios
Software that works the way people work.
We are an independent studio building Windows apps, business tools and custom software. Our current products include Ledvana for accounting and ERP, Leasevana for IFRS 16 leases, and Forevana for forecasting — with more on the way.
Products
What we ship today
Windows apps published on the Microsoft Store, plus tools and custom work for teams that need something built for them.
Ledvana Essentials Free
Windows 10/11 · Everyday accountingThe free edition of Ledvana: the full everyday ledger for one company and up to two users. Upgrade to Pro any time and keep your data.
Coming soon to Microsoft StoreProduct details
Leasevana Free
Windows 10/11 · IFRS 16 leasesOffline IFRS 16 lease accounting for lessees: right-of-use assets, lease liabilities, schedules, modifications, IBR management and optional AI contract scanning.
Forevana Coming soon
Windows 10/11 · Financial forecastingFinancial forecasting for Windows: import your figures into the Data room or connect to Ledvana, then plan with scenarios, what-if settings and covenants. Your data stays on your PC.
Coming soon to Microsoft StoreProduct details
What we build
Apps, tools and custom software
- Windows desktop apps — packaged for the Microsoft Store or private installers.
- Business tools — accounting, compliance, operations and workflows that fit how your team works.
- Custom software — modules, integrations, reports and internal tools designed around your process.
- Privacy-minded by default — local data where it makes sense, cloud only when you choose it.
Tell us what you need. We will reply with whether we can help and how.
Featured: Ledvana ERP
IFRS-ready accounting and ERP for Windows — ledgers, invoicing, IFRS 9, IFRS 16, payroll, approvals, AI and optional cloud multi-user.
How we work
Clear, practical software
Private by design
Where it matters, your data stays on your device. Cloud is optional and only for features you turn on.
Standards where they belong
Accounting and compliance logic lives inside the product, with the journals and schedules to prove it.
Your data stays yours
Exports, backups and readable records — we do not lock your work behind a licence wall.
Real people
Email us. Partnerships, licences, bugs and custom work all go to a human inbox.
Have a project in mind?
Windows apps, business tools or custom software — write to us and we will take it from there.