Tamper-evident seals for Eloquent models (keyed MACs and signatures, key rotation, an append-only ledger with external anchors), idempotency keys, single-use nonces and URLs, and RFC 9421 HTTP message signatures.

Double-entry ledger for Laravel: race-safe deposits, withdrawals, transfers and reservations.

Cbox Billing — the billing engine for Laravel — a gateway-agnostic library: catalog, subscriptions, real-time usage metering with hard limits, a double-entry ledger, invoicing, and pricing operations.

Accounting journals and double-entry bookkeeping for Eloquent models

Read-only Filament panel plugin for Chronicle - browse and cryptographically verify your tamper-evident audit ledger.

An immutable, append-only, double-entry financial ledger engine for Laravel.

General Ledger and Journal Accounting Package for Laravel with JSON API

A ledger-based Laravel package for managing credit-based systems in your application.