Desktop & laptop required
Open the interactive demo on a laptop
The Deku Finance Learn Centre and interactive demo workspace use function-key shortcuts (F1–F11), multi-column accounting ledgers, and side-by-side workflow coaching built for a larger screen.
Please switch to a laptop or desktop browser to explore the live sample books and interactive tour.
Deku Learn Centre
Learn Deku Finance by doing the work
Follow guided workflows on the real screens with sample books, or read the manuals. No login, and nothing leaves your browser.
Run a workflow, see the books change
- 18 guided workflows; a step completes only when you have actually done it
- 4 fictional companies, each keeping its own books and activity log
- 7 roles with the same access rules as the real app
Understand every part of Deku
- 19 articles in 8 sections, from getting started to technical
- Search, contents and links straight into the demo screens
4 demo companies
Compare themWholesale & Distribution
Aster Trading Co.
B2B electrical and industrial hardware distributor buying from inter-state/intra-state suppliers, managing inventory, issuing GST tax invoices and credit notes, collecting payments, and reconciling bank statements.
Professional Services
Northstar Consulting Pvt. Ltd.
Advisory and technology consulting firm issuing quotations and proforma invoices, converting them to GST service invoices, tracking department budgets, running monthly payroll with privacy masking, and analysing profitability.
D2C & E-Commerce
UrbanNest Retail Pvt. Ltd.
Home & lifestyle D2C brand selling across direct online orders and marketplace channels, importing marketplace settlement files, splitting commissions and TCS (Sec 52 / ECO Table 3.1.1), and tracking FIFO inventory.
Retail & Multi-Warehouse
Meridian Retail Pvt. Ltd.
Multi-godown consumer goods retailer maintaining stock across regional warehouses, recording stock adjustments and purchase receipts, issuing GST retail/B2B bills and credit notes, and reconciling bank accounts.
Manual sections
Search all manualsGetting Started
Introduction to Deku Financial OS, company setup, desktop Gateway navigation, keyboard shortcuts, and dual-mode GST vs Pure Accounting.
Financial & Accounting Manuals
ALERX 4-Tier Chart of Accounts, ledgers, voucher types (F4–F9), double-entry parity rules, Day Book, Trial Balance, P&L, Balance Sheet, and Cash Flow.
Operational Manuals
Parties master, product catalogue, FIFO multi-warehouse inventory, sales, purchases, UPI/WhatsApp collections, bank reconciliation, payroll, marketplace, and Document Builder.
GST & Compliance
Pure Accounting (Sec 22) vs GST Registered mode, CGST/SGST/IGST math, Input Tax Credit (Rule 88A & Sec 17(5)), GSTR-1 & GSTR-3B offline JSON, and GSP adapter seams.
Roles & Governance
The 7-role RBAC matrix (Owner to Viewer), permission enforcement across SQL RLS and Rust, Maker-Checker dual authorization, departments, and immutable audit trails.
Financial Intelligence
Financial statements, FP&A dashboards, Operating/Investing/Financing Cash Flow, DSO/DPO working capital metrics, and on-premise Deku Consultant.
Plans & Utilisation
Understanding GO, PRO, and Enterprise capabilities, user seat tracking, monthly/annual invoice usage, feature entitlements, and single-tenant deployment scope.
Technical Documentation
Core-Kernel-Shell architecture, Next.js App Router shell, Rust/Axum API layer, PostgreSQL 16 + PostgREST RLS tenancy, external integration seams, and Docker runtime.
Stays in your browser
The demo books live in this browser only. Nothing reaches a real company, and GST filing, payments and messages are simulated.
The real screens
Gateway, vouchers, GST, inventory, banking and reports are the same screens the app uses, with double entry checked on every posting.
Every role, every plan
Switch between the 7 roles and the GO, PRO and Enterprise plans from the demo bar to see what each can do.