Financial operations software

Acme Accounting

A single-company accounting application with a double-entry general ledger, invoicing, A/R and A/P aging, vendor bills, credit notes, refunds, period locks, bank reconciliation, budgeting and financial reporting.

Product work and architecture overview by Savi Saluwadana.

AccountingGeneral ledgerA/R + A/PReconciliationReportingControls

What it does

Who it serves
A company’s accounting administrator and finance operator.
Product purpose
Single-company financial operations backed by a double-entry ledger.
  • Chart of accounts, journals, invoicing and receivables.
  • Vendor bills, payables, expenses, credit notes and refunds.
  • Bank reconciliation, period locks, recurring transactions and budgets.
  • Ledger-backed statements and accounting integrity diagnostics.

How it works

  1. An operator creates a source document such as an invoice or vendor bill.
  2. Authenticated domain services validate the accounting transition.
  3. The posting layer records balanced journals in the general ledger.
  4. Reports read the ledger while period controls and audit history preserve traceability.

Architecture

Next.js → MongoDB / Mongoose → double-entry ledger

Acme Accounting architectureFinance workspace connects to Accounting services. Accounting services connects to Double-entry ledger. Double-entry ledger connects to Financial records. Financial reports connects to Financial records. Finance workspace connects to Financial reports.Finance workspaceNext.js / NextAuthAccounting servicesDocuments / posting rulesDouble-entry ledgerBalanced journal postingFinancial reportsLedger-backed statementsFinancial recordsMongoDB / Mongoose
Component overview. Arrows show requests and data flow between the main parts of the product.
Acme Accounting components and responsibilities
ComponentResponsibility
Next.js + NextAuthFinance interfaces and authenticated route handlers.
Accounting servicesSource-document workflows, validation and period controls.
General ledgerBalanced journal posting, reversal and source-level idempotency.
MongoDBFinancial records, journal history and reporting source data.

Current scope

The current application is designed for one company and one administrator identity per database. It is not a tenant-isolated accounting SaaS backend.

Architecture summary reviewed . The repository is private; this page provides a public product summary.