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Top 7 PHP Invoice Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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DOLIBARR ERP & CRM
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.
Project mention: DOLIBARR ERP & CRM VS LedgerSMB - a user suggested alternative | libhunt.com/r/dolibarr | 2025-05-09 -
itflow
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.
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atos
Built by freelancer 🙋♂️, for freelancer 🕺 🤷 💃🏾 - ATOS is a locally hosted application that allows freelancers to easily manage clients/projects, generate invoices against backlogs, and estimate their personal taxes based on their invoiced income.
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Import Data
QuickBooks Import and its numerous benefits in simplifying financial management processes
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
PHP Invoice discussion
PHP Invoice related posts
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SolidInvoice 2.2.0 released
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Creating a database
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I created a free/open-source application called ATOS for freelancers that helps them manage clients, invoice against backlogs, and estimate their quarterly taxes. Locally installed with zero subscriptions or costs to you. Let me know if you find this useful!
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Invoice Ninja v5 live on Softaculous
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Web-fist Flutter project in production?
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More new features in Invoice Ninja v5
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A note from our sponsor - InfluxDB
www.influxdata.com | 18 May 2025
Index
What are some of the best open-source Invoice projects in PHP? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Invoice Ninja | 8,815 |
| 2 | DOLIBARR ERP & CRM | 6,083 |
| 3 | itflow | 690 |
| 4 | SolidInvoice | 665 |
| 5 | invoice-as-a-service | 208 |
| 6 | atos | 43 |
| 7 | Import Data | 15 |
Sponsored
InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com