I-InvoicePlane sisicelo se-invoyisi sasimahla nesivulelekileyo. Le projekthi ngumlandeli osemthethweni kunye nomnini we-codebase ye-FusionInvoice version 1.x, eyabhalwa nguJesse Terry. I-FusionInvoice yayiyisoftware yomthombo ovulekileyo ngaphambili kodwa yatshintshwa yaba yimveliso yorhwebo ngokukhululwa kwenguqulo 2.x. U-Kovah, umkhokheli weprojekthi ye-InvoicePlane, wathatha i-codebase kwaye waqala kwakhona iprojekthi ngegama elitsha: i-InvoicePlane.