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Open-source alternatives to Conta

Compare community-driven replacements for Conta in accounting & invoicing workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.

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Conta

Conta helps freelancers and small businesses create and send invoices in minutes with a simple, cloud-based invoicing app and mobile companion.Read more
Accounting & Invoicing
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Key stats

  • 6Alternatives
  • 5Support self-hosting

    Run on infrastructure you control

  • 5Active development

    Recent commits in the last 6 months

Counts reflect projects currently indexed as alternatives to Conta.

All open-source alternatives

Crater logo

Crater

Open-source invoicing and expense tracking for businesses

Self-host friendlyPrivacy-firstFast to deployPHP

Why teams choose it

  • Professional invoice and estimate creation with custom fields and branding
  • Native mobile apps for iOS and Android alongside web interface
  • Multi-company support with customer portal and Stripe payment processing

Watch for

Requires self-hosting infrastructure and maintenance expertise

Migration highlight

Freelance Consultant Billing

Independent consultants create branded invoices, track project expenses, and accept client payments through Stripe without monthly platform fees.

InvoicePlane logo

InvoicePlane

Self-hosted invoicing platform for managing clients and payments

Self-host friendlyActive developmentPrivacy-firstPHP

Why teams choose it

  • Complete invoice and quote lifecycle management with professional templates
  • Client relationship tracking with contact details and transaction history
  • Multi-gateway payment integration with automated reminder system

Watch for

Requires web server infrastructure and technical setup knowledge

Migration highlight

Freelance Consulting Billing

Independent consultants create branded invoices, track client payments, and generate financial reports without monthly software fees.

Invoice Ninja logo

Invoice Ninja

Source-available invoicing and time-tracking app built with Laravel

Self-host friendlyActive developmentPrivacy-firstPHP

Why teams choose it

  • Complete invoicing, quotes, expenses, and time-tracking in one platform
  • Self-hosted or SaaS deployment with full feature parity across both
  • Native mobile and desktop apps for iOS, Android, macOS, Windows, and Linux

Watch for

White-label branding removal requires $30/year license

Migration highlight

Freelance Consulting Business

Track billable hours, generate professional invoices, and provide clients with a branded portal to view quotes and make payments online.

Akaunting logo

Akaunting

Modern online accounting software for small businesses and freelancers

Self-host friendlyActive developmentPrivacy-firstPHP

Why teams choose it

  • Modular app marketplace for extending invoicing, CRM, and payroll capabilities
  • RESTful API for custom integrations and workflow automation
  • Built on Laravel, VueJS, and Tailwind for modern performance and UX

Watch for

Requires technical expertise for installation, server management, and maintenance

Migration highlight

Freelancer Invoice Management

Independent consultants track billable hours, generate professional invoices, and monitor payment status while maintaining complete ownership of client financial data.

Frappe Books logo

Frappe Books

Modern offline-first accounting software for small businesses

Active developmentPrivacy-firstIntegration-friendlyTypeScript

Why teams choose it

  • Offline-first desktop application with local SQLite database storage
  • Complete double-entry accounting with invoicing, billing, and POS
  • Comprehensive financial reports: general ledger, P&L, balance sheet, trial balance

Watch for

AGPL-3.0 license requires derivative works to be open-sourced

Migration highlight

Retail Store Management

Process sales transactions through the integrated POS system while maintaining accurate inventory and financial records offline

Bigcapital logo

Bigcapital

Smart accounting and inventory software for small businesses

Self-host friendlyActive developmentPrivacy-firstTypeScript

Why teams choose it

  • Double-entry accounting system with automated bookkeeping processes
  • Integrated inventory management alongside financial tracking
  • Headless API for embedding accounting into custom applications

Watch for

AGPL-3.0 license requires derivative works to be open-sourced

Migration highlight

E-commerce Financial Management

Track sales, expenses, and inventory in real-time with automated double-entry bookkeeping that generates accurate profit and loss statements for online retailers.

Choosing a accounting & invoicing alternative

Teams replacing Conta in accounting & invoicing workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.

  • 5 projects let you self-host and keep customer data on infrastructure you control.
  • 5 options are actively maintained with recent commits.

Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Conta.