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dolibarr

Dolibarr / dolibarr

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Star 7.6k

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

mysql php sales erp proposal invoices postgresql accounting agenda crm invoicing stock quotations orders invoice purchase stocks human-resource-managment suppliers hacktoberfest
  • Updated Sep 19, 2026
  • PHP
kimai

kimai / kimai

Star 5k

Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org

php twig symfony doctrine invoicing self-hosted invoice time-tracker timetracker multilanguage time-tracking timetracking kimai tabler timetrackingapp
  • Updated Sep 17, 2026
  • PHP

itflow-org / itflow

Star 1k

All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.

php psa accounting crm invoicing project-management ssl-certificate-manager billing contact-management ticket-management ticketing-system invoice-management estimates documentation-management asset-management asset-lifecycle lead-management managed-services vendor-management domain-management
  • Updated Sep 16, 2026
  • PHP

VonHoltenCodes / SlowBooks-Pro-2026

Star 522

Free, source-available accounting: double-entry bookkeeping, invoicing, US payroll, inventory, bank feeds - desktop app with built-in multi-user Server Edition (no Docker needed). A QuickBooks 2003 Pro replacement. No cloud, no caps.

server localstorage invoicing self-hosted free-software free multi-user payroll stripe-payments quickbooks bookkeeping quickbooks-api accounting-software quickbooks-alternative free-accounting-software local-accounting
  • Updated Sep 16, 2026
  • Python

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