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Business Software
Business Software open-source alternatives curated by the directory.
Business Software
Use the same directory search, ordering, and pagination controls inside this collection.
185 of 185 tools
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.
Spliit
MIT
A user-friendly app for tracking shared expenses, settling debts, and managing group finances with ease and transparency.
Suprascribe
Unknown
Free subscription tracker that automatically scans your email to find recurring charges. Privacy-focused discovery with complete spending overview and management tools.
UniBee
AGPL-3.0
Replace expensive billing solutions with open-source software. Automate subscriptions, accept multiple payments including crypto, and gain real-time revenue insights.
Horilla
LGPL-2.1
Horilla is a free, open-source HRMS that streamlines HR processes, from recruitment to offboarding, with customizable modules.
Reqcore
AGPL-3.0
Self-hosted open-source ATS with no per-seat pricing. Full data ownership, modern tech stack, and complete control over your recruitment process.
Dub Partners
Unknown
Run affiliate, influencer, and referral programs with flexible reward structures, real-time attribution, and automated global payouts.
Novu
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Postiz
AGPL-3.0
Open-source social media scheduling tool that plans, generates, and publishes posts across 30+ networks with AI assistance, analytics, and team collaboration.
Billion Mail
AGPL-3.0
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Brace.to
MIT
A privacy-focused bookmark manager that encrypts your saved links, allowing you to access them anytime, anywhere, on any device with complete control.
Chaskiq
Unknown
Versatile messaging solution for businesses to engage customers through multiple channels, with AI-powered automation and analytics.























