1.invoiceninja / invoiceninjaA source-available invoice, quote, project and time-tracking app built with Laravelphpexpensesjavascriptinvoicestaskslaravel+10 morePHPOther license10K total2.8K forks+123 starsfrom 10,322 · score 4.82
2.SuiteCRM / SuiteCRMSuiteCRM - Open source CRM for the worldcrmphpagplv3accountscontactsworkflow+11 morePHPAGPL-3.05.8K total2.4K forks+25 starsfrom 5,810 · score 3.26
3.SolidInvoice / SolidInvoiceSimple and elegant invoicing solution.invoicequotesbillinginvoicingbilling-applicationinvoicing-application+6 morePHPMIT980 total248 forks+2 starsfrom 978 · score 1.10