Assembly Line

Accounting

Double-entry bookkeeping library

Accounting is an open-source ledger engine project on GitHub under the MIT license (permissive), with 100 stars. It is built with JDK. Its last push was 3 years ago.

Stars
100
License
MIT
Activity
Quiet

Code on GitHub

Judgement

What it is
Building block
What it does
A small in-memory Java library for charts of accounts, double-entry transactions and trial balances.
Adopt it when
You want to study a minimal double-entry model in Java; not for production ledgers.
Watch out
In-memory only, no releases, and no push since mid-2023.
Ready for
Experimental
Runs as
Library
Built with
Java and Lombok
How established
Established: started 10 years ago, no tagged release yet.
What the license allows
You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Accounting → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to Accounting

  1. 1
    TigerBeetle tigerbeetle

    The financial transactions database designed for mission critical safety and performance.

    Building block Usable You are building a payments or ledger system that needs very high throughput and correctness.

    ★ 17k Apache-2.0 Zig Active, pushed 3 days ago
  2. 2
    Fineract apache

    Apache Fineract

    Complete system Production-ready You run or build a lending, microfinance or savings business and need an open core banking back end.

    ★ 2.6k Apache-2.0 Java Active, pushed today
  3. 3
    Django Ledger arrobalytics

    Django Ledger is a double entry accounting system and financial analysis engine built on the Django Web Framework.

    Building block Usable You are building a Django product that needs real accounting inside it.

    ★ 1.4k GPL-3.0 Python Active, pushed 4 days ago
  4. 4
    Blnk blnkfinance

    Blnk is an open-source ledger & financial core for shipping fintech products fast.

    Building block Usable You are building wallets, payments or lending products and need a ledger rather than writing one.

    ★ 577 Apache-2.0 Go Active, pushed today
  5. 5
    Pgledger pgr0ss

    A double entry ledger implementation in PostgreSQL

    Building block Usable Your app runs on Postgres and needs an internal money ledger without adding a separate service.

    ★ 495 MIT Go Active, pushed 12 days ago
  6. 6
    Sequence hoophq

    Immutable, scalable, and easy to use ledger service.

    Building block Experimental You want to study or prototype a tamper-evident ledger service.

    ★ 512 Apache-2.0 Clojure Slowing, pushed 3 months ago
  7. 7
    DoubleEntry envato

    A double-entry accounting system for Ruby applications.

    Building block Production-ready Your Rails app moves money between users or accounts and needs reliable balances.

    ★ 460 MIT Ruby Slowing, pushed 10 months ago
  8. 8
    Medici flash-oss

    Double-entry accounting system for nodejs + mongoose

    Building block Usable Your Node.js app already uses MongoDB and needs an internal ledger for balances or wallets.

    ★ 361 MIT TypeScript Slowing, pushed 3 months ago

Commercial double-entry ledger engines

  1. 1
    Modern Treasury Ledgers Modern Treasury

    Track every transaction in real-time with double-entry accounting. Built for teams that need perfect accuracy and auditability.

    Building block Production-ready A fintech or platform team needs an auditable ledger for customer balances and does not want to build one.

    Commercial
  2. 2
    Fragment Fragment

    Fragment is the financial system for agents. Programmable money that bills, pays, and accounts for itself.

    Building block Usable A product team wants to define its ledger as code and query balances through GraphQL instead of building a ledger.

    Commercial

Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.