Categories
Finance & Accounting
Finance & Accounting open-source alternatives curated by the directory.
Finance & Accounting
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28 of 28 tools
ERPNext
GPL-3.0
Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Akaunting
Unknown
Self-hostable accounting software covering invoicing, expense tracking, cash flow, and client portals. Free to use, available in 50+ languages.
Autumn
Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.
Bigcapital
AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
BillaBear
Unknown
BillaBear offers powerful tax management, automated workflows, and comprehensive subscription control for businesses using Stripe
Captable
AGPL-3.0
Comprehensive cap table software for startups to manage equity, track ownership, and facilitate fundraising with real-time insights and compliance tools.
Crater
AGPL-3.0
Crater offers AI-driven invoicing workflows, payments, and working capital tools to enhance your platform with minimal technical effort.
Expensify
MIT
Automate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
ezBookkeeping
MIT
A privacy-first personal finance app with two-level accounts, multi-currency support, AI receipt recognition, and broad data import from formats like GnuCash and Firefly III.
Flexprice
AGPL-3.0
A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.
Flowglad
Unknown
Build payment systems with real-time billing state and full-stack SDK. Design pricing in natural language, deploy checkout and metering instantly with zero webhooks.
Formance
Unknown
Build custom financial flows and integrate with any provider using Formance's agnostic platform
Frappe Books
AGPL-3.0
A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.
Gumroad
MIT
A digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.
Hyperswitch
Apache-2.0
A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
Invoice Ninja
Unknown
Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.
Kimai
AGPL-3.0
Open-source time tracking solution for businesses of all sizes. Manage projects, track billable hours, and generate insightful reports.
Lago
AGPL-3.0
Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.
Meteroid
AGPL-3.0
Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.
Midday
AGPL-3.0
All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.
OpenBB
Unknown
Connects proprietary, licensed, and public financial data with AI agents in a self-hostable workspace for asset managers, hedge funds, and banks.
OpenMeter
Apache-2.0
Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.
Paymenter
MIT
Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.
Polar
Apache-2.0
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.























