Alternatives to QuickBooks in 2026

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

TaxHacker vas3k

Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts and categories

Complete system Usable A freelancer or small business wants self-hosted expense capture from receipts and has an LLM API key or local model.

★ 6.8k MIT TypeScript Active, pushed 35 days ago

Invoify al1abb

An invoice generator app built using Next.js, Typescript, and Shadcn

Complete system Usable You need to produce good-looking one-off invoices without signing up for an invoicing service.

★ 6.4k MIT TypeScript Active, pushed 2 months ago

Beancount beancount

Beancount: Double-Entry Accounting from Text Files.

Developer tool Production-ready You want strict, version-controlled double-entry books for personal or small business finances and are comfortable editing text files.

★ 6.1k GPL-2.0 Python Active, pushed 2 months ago

Hledger hledgerorg

Robust, fast, intuitive plain text accounting tool with CLI, TUI and web interfaces.

Developer tool Production-ready You want reliable, private plain-text books for personal or small business finances with good documentation.

★ 4.8k GPL-3.0 Haskell Active, pushed 2 days ago

Bigcapital bigcapitalhq

💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.

Complete system Usable A small business or developer wants a self-hosted QuickBooks-style ledger with an API.

★ 3.9k AGPL-3.0 TypeScript Active, pushed 15 days ago

Paisa ananthakumaran

Paisa – Personal Finance Manager. https://paisa.fyi demo: https://demo.paisa.fyi

Complete system Usable You keep or want to keep personal books in ledger format and want visual reports on top.

★ 3.2k AGPL-3.0 TypeScript Active, pushed 16 days ago

Fava beancount

Fava - web interface for Beancount

Complete system Production-ready You keep double-entry books in Beancount and want reports and editing in a browser.

★ 2.6k MIT Python Active, pushed 8 days ago

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

InvoiceShelf InvoiceShelf

Open Source Invoicing Solution for Individuals & Businesses

Complete system Usable You need straightforward invoicing on your own server and do not need full accounting.

★ 1.9k AGPL-3.0 PHP Active, pushed 6 days ago

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

Invio kittendevv

Self-hosted invoicing without the bloat.

Complete system Usable A freelancer wants simple self-hosted invoicing with European e-invoice output.

★ 1.2k Unlicense TypeScript Active, pushed 14 days ago

EasyInvoicePDF VladSez

Free & Open-Source Invoice Generator - No Sign-Up, No Ads, Instant PDF Export, 100% In-Browser, and Fully Customizable Templates. ⭐ Star the repo if you like it

Complete system Usable A freelancer wants quick, free, private PDF invoices without an account.

★ 1.1k AGPL-3.0 TypeScript Active, pushed 12 days ago

SolidInvoice SolidInvoice

Simple and elegant invoicing solution.

Complete system Production-ready A freelancer or small business wants mature invoicing on its own server, or hosted for a flat monthly fee.

★ 978 MIT PHP Active, pushed 3 days ago

Invoicerr invoicerr-app

Invoicerr is a freelance-focused invoicing app that lets you create quotes, generate invoices, track payments, and collect secure signatures.

Complete system Usable A European freelancer or small company needs e-invoicing compliance such as Factur-X, XRechnung or Peppol on its own server.

★ 733 AGPL-3.0 TypeScript Active, pushed yesterday

Double-entry-generator deb-sig

Rule-based double-entry bookkeeping importer (from Alipay/WeChat/Huobi etc. to Beancount/Ledger).

Developer tool Usable You keep plain-text books and your money moves through Chinese payment apps or banks.

★ 732 Apache-2.0 Go Active, pushed 5 days ago

Transity ad-si

Keep track of your 💵, 🕘, 🐖, 🐄, 🍻 on your command line with the plain text accounting tool of the future! 🚀

Developer tool Usable You want plain-text bookkeeping with a structured format and are happy outside the ledger and Beancount ecosystems.

★ 655 AGPL-3.0 Rust Active, pushed 13 days ago

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

Ledger howeyc

Command line double-entry accounting program

Developer tool Usable You want a single fast binary for ledger-format books with a simple web report.

★ 506 ISC Go Active, pushed 2 months ago

Erpsaas andrewdwallo

A Laravel and Filament-powered accounting platform featuring full double-entry accrual accounting, delivering modern automation for professional financial management.

Complete system Usable A developer wants a self-hosted Laravel accounting app to run or adapt for a small business.

★ 1.5k MIT PHP Slowing, pushed 8 months ago

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

Mustangproject ZUGFeRD

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

Building block Production-ready A Java application must produce or check German or French e-invoices.

★ 483 Apache-2.0 XSLT Active, pushed 17 days ago

Beancount-import jbms

Web UI for semi-automatically importing external data into beancount

Developer tool Usable You keep Beancount books and want semi-automatic import and reconciliation from many sources.

★ 475 GPL-2.0 Python Active, pushed 3 days ago

AccountGo AccountGo

Accounting System built in ASP.NET DotNetCore, ReactJS, MobX. Don't forget to click STAR if you like this project.

Complete system Experimental A .NET developer wants a modern accounting codebase to study or build on.

★ 440 MIT C# Active, pushed 13 days ago

ZUGFeRD horstoeko

ZUGFeRD/XRechnung/Factur-X Library

Building block Production-ready You maintain a PHP app already using it; new projects should start with its successor, horstoeko/invoicesuite.

★ 437 MIT PHP Active, pushed 32 days ago

Fava Dashboards andreasgerstmayr

Custom Dashboards for Beancount in Fava

Integration Usable You use Fava and want your own charts, such as Sankey diagrams of income and spending.

★ 419 MIT TypeScript Active, pushed 7 days ago

Beancount-gs BaoXuebin

基于 beancount 提供个人记账财务管理的 RESTful API 服务（包含前端页面）

Complete system Usable A Chinese-speaking household or small group wants shared Beancount bookkeeping in the browser.

★ 416 MIT Go Active, pushed 2 months ago

Rustledger rustledger

Modern plain text accounting. Beancount compatible.

Developer tool Experimental Your Beancount ledger is large and slow, or you want editor support and single-binary installs.

★ 412 GPL-3.0 Rust Active, pushed 15 days ago

Upcount namespace-ee

Invoicing for freelancers & small businesses

Complete system Usable A freelancer wants free invoicing and time tracking on one computer with no cloud account.

★ 400 GPL-3.0 TypeScript Active, pushed 17 days ago

ZUGFeRD-csharp stephanstapel

Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.

Building block Production-ready Only for existing .NET projects that need a short bridge; new work should look elsewhere.

★ 395 Apache-2.0 C# Active, pushed 24 days ago

Free-GST-Billing-Software IamRamgarhia

Free GST Billing Software — Free, open-source GST invoice & billing software. Tax Invoice, Proforma, Credit Note, Bill of Supply. CGST/SGST/IGST. Multi-currency. 100% offline, no signup. PWA installable.

Complete system Experimental An Indian shop or freelancer wants free GST invoicing on one computer instead of paying for Tally or Vyapar.

★ 336 MIT JavaScript Active, pushed 4 days ago

Beancount.io bex-co

💰 Double-entry bookkeeping made easy — plain-text accounting for humans and AI agents. Polished iOS & Android app built with React Native + Expo.

Complete system Usable You use Beancount and want to record transactions from your phone and view reports anywhere.

★ 321 MIT TypeScript Active, pushed 2 days ago

Phase4 phax

phase4 - AS4 client and server for integration into existing systems. Specific support for Peppol and CEF eDelivery built-in.

Building block Production-ready You are building a Peppol access point or another AS4 integration in Java.

★ 246 Apache-2.0 Java Active, pushed 3 days ago

Laravel-invoices ElegantEngineeringTech

📑 Store and generate beautiful PDF invoices in Laravel

Building block Usable Your Laravel app needs proper invoice records and PDFs without building them yourself.

★ 237 MIT PHP Active, pushed today

Puffin siddhantac

A beautiful terminal dashboard for hledger 💰

Developer tool Usable You use hledger and want a nicer terminal view of your reports.

★ 573 MIT Go Slowing, pushed 8 months ago

Hledger-flow apauley

An hledger/ledger-cli workflow focusing on automated statement import and classification

Developer tool Usable You import many bank statements into hledger and want a repeatable folder-based process.

★ 220 GPL-3.0 Haskell Active, pushed 2 months ago

Quba-viewer ZUGFeRD

Quba is a viewer for electronic invoices

Complete system Usable Someone in accounts receives XML e-invoices and needs to read and check them locally.

★ 206 Apache-2.0 Kotlin Active, pushed 10 days ago

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

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

Python-drafthorse pretix

Pure-python ZUGFeRD implementation

Building block Usable A Python application must emit ZUGFeRD invoices and the developer can work from the official specification.

★ 182 Apache-2.0 Python Active, pushed 5 days ago

BlueSeer blueseerERP

A Free ERP and EDI solution for the manufacturing community

Complete system Usable A small manufacturer needs free ERP with EDI translation for trading partners and accepts a desktop-style client.

★ 176 MIT Java Active, pushed 3 days ago

Manta hql287

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

Complete system Experimental You want a simple offline invoice designer and accept unmaintained software.

★ 5.5k LGPL-3.0 JavaScript Quiet, pushed 2 years ago

ZATCA SallaApp

An unofficial package maintained by Salla to help developers to implement ZATCA (Fatoora) QR code easily which required for e-invoicing

Building block Usable A PHP system selling in Saudi Arabia must generate ZATCA-compliant invoices.

★ 168 MIT PHP Active, pushed 21 days ago

Tackler tackler-ng

Fast, reliable bookkeeping engine with native GIT SCM support for plain text accounting

Developer tool Usable You keep plain-text books in Git and want strict, reproducible reports tied to commits.

★ 166 Apache-2.0 Rust Active, pushed 31 days ago

Factur-X atgp

PHP library to manage your Factur-X / ZUGFeRD 2.0 PDF invoices files

Building block Usable Your PHP system already produces PDF invoices and the XML, and needs to combine them into Factur-X files.

★ 154 MIT PHP Active, pushed 3 months ago

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

UBL Invoice num-num

A modern object-oriented PHP library to read and create valid UBL and Peppol BIS files

Building block Usable Your PHP app must send UBL invoices over Peppol, for example in Belgium.

★ 142 MIT PHP Active, pushed 13 days ago

Ph-ubl phax

Java library for reading and writing UBL 2.0, 2.1, 2.2, 2.3, 2.4 and 2.5 documents

Building block Production-ready A Java system handles UBL invoices, orders or other procurement documents.

★ 142 Apache-2.0 Java Active, pushed 7 days ago

XRechnung Visualization itplr-kosit

XSL transformators for web and pdf rendering of German CIUS XRechnung or EN16931-1:2017 [MIRROR OF GitLab]

Building block Production-ready Your software must show German e-invoices to people in the standard reference layout.

★ 134 Apache-2.0 XSLT Active, pushed 20 days ago

Validator-configuration-xrechnung itplr-kosit

Configuration for validating documents against the German XRechnung standard using the KoSIT validation tool

Building block Production-ready You build or test software that sends or receives German e-invoices and need the reference validation rules.

★ 119 Apache-2.0 XSLT Active, pushed 7 days ago

Fava Portfolio Returns andreasgerstmayr

fava-portfolio-returns shows portfolio returns in Fava

Integration Usable You track investments in Beancount and want returns charts inside Fava.

★ 105 GPL-2.0 Python Active, pushed 7 days ago

Eu_einvoice alyf-de

Create and import e-invoices with ERPNext.

Integration Usable A business in Germany or France runs ERPNext and must send or receive e-invoices.

★ 104 GPL-3.0 Python Active, pushed 3 days ago

Hledger-iadd hpdeifel

A terminal UI as drop-in replacement for hledger add.

Developer tool Usable You use hledger and enter transactions by hand in the terminal.

★ 104 BSD-3-Clause Haskell Active, pushed 35 days ago

ZUGFeRD PHP easybill

ZUGFeRD PHP SDK (Factur-X, XRechnung)

Building block Production-ready A PHP invoicing system needs to read or write ZUGFeRD XML and wants a library from an invoicing vendor.

★ 103 MIT PHP Active, pushed 12 days ago

Xrechnung-testsuite itplr-kosit

Test instances for the XRechnung Standard, the German Core Invoice Usage Specification of CEN EN16931 [MIRROR of GitLab]

Developer tool Production-ready You are building an XRechnung implementation and need reference test files.

★ 101 Apache-2.0 XSLT Active, pushed 2 months ago

Accountill panshak

Fullstack open source Invoicing application made with MongoDB, Express, React & Nodejs (MERN)

Template or starter Experimental You are learning the MERN stack and want an invoicing example to study.

★ 1.7k MIT JavaScript Quiet, pushed 2 years ago

Phive phax

Generic business document validation engine

Building block Production-ready You build Peppol or e-invoicing software in Java and need standard document validation.

★ 77 Apache-2.0 Java Active, pushed 5 days ago

Lazy Beancount Evernight

Beancount accounting system packaged in a Docker image together with Fava, few other libraries and some additional UIs. Privacy-focused and comprehensive approach to personal finances.

Complete system Usable You want to start Beancount bookkeeping with batteries included instead of assembling plugins yourself.

★ 150 GPL-2.0 TypeScript Slowing, pushed 5 months ago

Klirr Sajjon

Zero-maintenance and smart FOSS generating beautiful invoices for services and expenses.

Developer tool Experimental A contractor who bills the same client each month wants invoices generated from the terminal.

★ 141 MIT Rust Slowing, pushed 5 months ago

Beanprice beancount

Daily price quotes fetching library for plain-text accounting

Developer tool Usable You track investments or foreign currency in Beancount and want prices updated automatically.

★ 123 GPL-2.0 Python Slowing, pushed 9 months ago

React Invoice Generator tuanpham-dev

React Invoice Generator allows you quickly make invoices and export them as PDF

Template or starter Experimental You want a minimal example of generating PDFs from a React form.

★ 678 MIT TypeScript Quiet, pushed 2 years ago

Serverless Invoices mokuappio

Create and manage invoices in your browser. Serverless Invoices is a free invoicing tool for freelancers and small businesses. Made with Vue.js.

Complete system Usable A freelancer wants a free invoice tool with no server, or a developer wants a starter to wire to another backend.

★ 519 MIT Vue Quiet, pushed 2 years ago

Beancount_tgbot mathlife

Telegram bot for Beancount transaction capture

Integration Experimental You keep Beancount books and want to log spending from your phone through Telegram.

★ 39 MIT Python Active, pushed 19 days ago

Finance-dl jbms

Tools for automatically downloading/scraping personal financial data.

Developer tool Usable You feed beancount-import and have accounts with the supported, mostly US, providers.

★ 340 GPL-2.0 Python Quiet, pushed 18 months ago

Siwapp-ror siwapp

Online Invoice Management in Ruby On Rails.

Complete system Experimental You maintain an existing Siwapp install; new users should pick a maintained invoicing app.

★ 328 MIT Ruby Quiet, pushed 3 years ago

QuickBill PunitGr

Create unlimited invoices for free.

Complete system Experimental Only as a code example; better maintained invoice generators exist.

★ 326 MIT SCSS Quiet, pushed 5 years ago

Store POS inforkgodara

It is java accounting software basically developed using javafx which has various modules like purchase, sales, receipts, payments, and journals.

Complete system Experimental You are learning JavaFX and want a sample retail app to study; it is not ready for a real shop.

★ 261 MIT Java Quiet, pushed 2 years ago

Einvoicing josemmo

Library for reading and creating European-compliant electronic invoices (EN 16931)

Building block Usable A PHP application needs to produce Peppol or EN 16931 invoices without a commercial SDK.

★ 179 MIT PHP Quiet, pushed 17 months ago

Offline_Invoicing tngoman

Desktop invoicing app built with electron. Create Quotes and Invoices. Download PDF or Email directly to your customers.

Complete system Experimental Only as a code sample; it has not been updated since 2020.

★ 164 MIT JavaScript Quiet, pushed 6 years ago

Ledger abivia

General Ledger and Journal Accounting Package and API for Laravel

Building block Experimental You need a general ledger inside a Laravel app and can maintain the code yourself.

★ 132 MIT PHP Quiet, pushed 3 years ago

Beancount Mobile xuhcc

Data entry app for Beancount plain-text accounting system

Complete system Experimental You keep Beancount books and want to enter transactions on Android, and accept an unmaintained app.

★ 128 GPL-3.0 TypeScript Quiet, pushed 4 years ago

Akpoho Invoicing Software ndianabasi

Akpoho Invoicing Software is an open-source software which provides quotation, invoicing, and receipt functionalities for small businesses.

Template or starter Experimental You want to learn how to structure an AdonisJS and Vue app around a business domain.

★ 112 MIT TypeScript Quiet, pushed 2 years ago

Accounting Nick-Triller

Double-entry bookkeeping library

Building block Experimental You want to study a minimal double-entry model in Java; not for production ledgers.

★ 100 MIT Java Quiet, pushed 3 years ago

OpenXRechnungToolbox jcthiele

Graphische Benutzeroberfläche für die Visualisierung und Validierung von XRechnung (und anderen EN16931-konformen E-Rechnungen) sowie ein Tool für die Berechnung und Prüfung von Leitweg-IDs. || Engl.: Graphical User Interface for visualization and validation of XRechnung (and other EN16931 compliant e-invoices) as well as tool for Leitweg-ID calculation and validation.

Complete system Usable A German organisation needs to view and validate XRechnung files locally without programming.

★ 64 GPL-3.0 XSLT Quiet, pushed 2 years ago

ZUGFeRD-Manager OpenIndex

A desktop application, that creates and validates ZUGFeRD invoices.

Complete system Usable A small German business wants to check or produce ZUGFeRD invoices without uploading them anywhere.

★ 39 Apache-2.0 Kotlin Quiet, pushed 17 months ago

Xero Xero Limited

Xero software connects small businesses to their accountant, bank and hundreds of business apps. Start a free trial today.

Complete system Production-ready A small business in New Zealand, Australia or the UK wants mainstream cloud accounting that local accountants support.

1.4k readers a month Since 2006 Commercial

Harvest Harvest

Time tracking and management software with powerful easy reporting and streamlined online invoicing. Loved by 73,000 businesses. Get started for free.

Complete system Production-ready An agency or consultancy bills by the hour and wants staff to track time easily against project budgets.

503 readers a month Commercial

Stripe Invoicing Stripe, Inc.

Create and send invoices online in minutes with Stripe. Use our invoicing software to automate payment collection and recover revenue with AI-powered dunning.

Complete system Production-ready You already take payments through Stripe and want invoices that collect card and bank payments automatically.

Commercial

Bill.com BILL Holdings

The AP, AR, and spend & expense solution that lets you create and pay bills, manage expenses, control budgets, and get the credit your business/firm needs to grow.

Complete system Production-ready A US small or midsize company or its accounting firm wants to automate bill approval and payment runs.

363 readers a month Since 2006 Commercial

Wave Wave Financial

Create beautiful invoices, accept online payments, and make accounting easy—all in one place—with Wave’s suite of money management tools.

Complete system Production-ready A US or Canadian freelancer or micro-business wants free bookkeeping and invoicing and does not need integrations.

353 readers a month Commercial

Sage Intacct Sage Group

Sage Intacct is the #1 finance AI software trusted by 30,000+ finance teams. Close 90% faster, gain real-time visibility, and scale with confidence.

Complete system Production-ready A US-centric midsize finance team needs better close, consolidation and reporting than QuickBooks but does not need inventory-heavy ERP.

264 readers a month Since 1999 Commercial

Sage 50 Sage Group

Sage 50 Cloud accounting software for small business will manage accounting, invoicing, inventory and taxes. Sage 50 Accounting, formerly Peachtree.

Complete system Production-ready A small business prefers installed desktop accounting with stock control and its accountant already works in Sage 50.

125 readers a month Commercial

FreshBooks FreshBooks

Cloud-based accounting software service

Complete system Production-ready A freelancer or small agency bills clients for time and wants invoicing first and accounting second.

103 readers a month Since 2004 Commercial

Zoho Books Zoho Corporation

Zoho Books is a cloud-based accounting software that simplifies invoicing, expenses, tax management, bank reconciliation, and financial reporting for small businesses.

Complete system Production-ready A small business wants low-cost accounting, especially if it already uses Zoho CRM or other Zoho apps.

Commercial

Zoho Invoice Zoho Corporation

Complete system Production-ready A freelancer wants free professional invoicing and may move to Zoho Books later.

Commercial

Sage Accounting Sage Group

Discover the power and simplicity of online accounting software: real-time, collaboration, quick set-up, core and advanced features. Give it a try!

Complete system Production-ready A UK or Irish sole trader or small company wants simple online books with Making Tax Digital VAT filing from a familiar brand.

Commercial

Pagero Pagero

Discover e-invoicing, tax, legal and regulatory compliance solutions from Thomson Reuters, helping organisations navigate complexity with confidence.

Integration Production-ready A company trading across several countries must send and receive structured e-invoices to meet mandates.

77 readers a month Commercial

DATEV Unternehmen online DATEV eG

Unterstützung für Steuerberatung, Wirtschaftsprüfung, Rechtsberatung, Unternehmen & den öffentlichen Sektor.

Complete system Production-ready Your German tax adviser works in DATEV and you want to hand them documents and bank data without paper.

Commercial

FreeAgent FreeAgent

If you’re starting out, rapidly growing or running a well-oiled machine, FreeAgent gives you confidence in your numbers and streamlines admin so you can make it count.

Complete system Production-ready A UK sole trader or one-person limited company wants tax-ready books, and especially if NatWest, RBS or Mettle gives it to them free.

42 readers a month Since 2007 Commercial

MYOB Business MYOB

Streamline tasks. Grow confidently. Manage everything in one place with MYOB. Start your free trial today.

Complete system Production-ready An Australian or New Zealand small business wants local payroll compliance and an accountant who works in MYOB.

Commercial

Exact Online Exact Software

Complete system Production-ready A Dutch or Belgian small or midsize business wants cloud accounting with industry modules and local accountant support.

Commercial

Lexware Office Haufe Group

Das Buchhaltungsprogramm Lexware Office erledigt Belege, EÜR und Umsatzsteuer automatisch – GoBD-konform und in der Cloud. 30 Tage kostenlos testen.

Complete system Production-ready A German freelancer or small company wants simple compliant books and VAT filing that hands off cleanly to a tax adviser.

Commercial

KashFlow IRIS Software Group

Easy to use accounting software to take the hassle out of your small business accounts. Try our cloud software for accounting, bookkeeping, and payroll.

Complete system Production-ready A UK small business wants cheap, simple online books and payroll and does not need a large app ecosystem.

Commercial

Pandle Pandle

Our accounting software helps small businesses become brilliant bookkeepers. Pandle is a cloud-based bookkeeping software. Start today!

Complete system Usable A UK sole trader or small business wants the cheapest workable MTD-compatible bookkeeping.

Commercial

Patriot Accounting Patriot Software

Complete system Usable A small US business wants inexpensive accounting and payroll from the same vendor with US-based support.

Commercial

Invoice Ninja (hosted) Invoice Ninja

Free invoicing software for freelancers and small businesses. Send invoices and quotes, get paid online, and track time and expenses. Free forever.

Complete system Production-ready A freelancer or small business wants free or cheap invoicing with the option to self-host the same software later.

Commercial

Avalara E-Invoicing Avalara

Comply with international real-time reporting and e‑invoicing mandates. Automate financial operations with Avalara E‑Invoicing and Live Reporting.

Integration Production-ready A multinational must comply with e-invoicing mandates in several countries and already uses Avalara for tax.

Commercial

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

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