1.invoiceninja / invoiceninja
A source-available invoice, quote, project and time-tracking app built with Laravel
- php
- expenses
- javascript
- invoices
- tasks
- laravel
- +10 more
+148 stars
from 10,342 · score 5.00
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
16 repositories by Attention Score · Oct 29, 2026 – Nov 4, 2026 (UTC)
2.getlago / lago
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
+39 stars
from 10,717 · score 3.69
3.polarsource / polar
Polar — A billing platform for the intelligence era
+27 stars
from 10,435 · score 3.33
4.kimai / kimai
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
- timetracker
- timetracking
- doctrine
- twig
- kimai
- time-tracker
- +9 more
+27 stars
from 5,110 · score 3.33
5.itflow-org / 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.
- crm
- ticketing-system
- ticket-management
- accounting
- managed-services
- asset-management
- +14 more
+18 stars
from 1,035 · score 2.94
6.idurar / idurar-erp-crm
Free Open Source ERP CRM Software Accounting Invoicing | Node.Js React
- accounting
- erp
- erp-application
- invoice
- crm
- crm-system
- +14 more
+16 stars
from 8,923 · score 2.83
7.killbill / killbill
Open-Source Subscription Billing & Payments Platform
- killbill
- billing
- payments
- subscriptions
+13 stars
from 5,826 · score 2.64
8.InvoiceShelf / InvoiceShelf
Open Source Invoicing Solution for Individuals & Businesses
+13 stars
from 1,873 · score 2.64
9.InvoicePlane / InvoicePlane
A self-hosted open source application for managing your invoices, clients and payments.
- php
- invoices
- invoicing
- open-source
- crm
- billing
- +2 more
+12 stars
from 3,264 · score 2.56
10.FOSSBilling / FOSSBilling
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
+12 stars
from 1,728 · score 2.56
11.midday-ai / midday
Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers
+10 stars
from 15,104 · score 2.40
12.hql287 / Manta
🎉 Flexible invoicing desktop app with beautiful & customizable templates.
- invoice
- invoice-pdf
- invoice-generator
- invoice-template
- invoicing-application
- invoicing-software
- +14 more
+4 stars
from 5,484 · score 1.61
13.SolidInvoice / SolidInvoice
Simple and elegant invoicing solution.
+4 stars
from 977 · score 1.61
14.laravel / cashier-stripe
Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.
+2 stars
from 2,547 · score 1.10
15.directus-labs / agency-os
The open source operating system for digital agencies. Built with Directus and Nuxt.
- directus
- headless-cms
- nuxt
- tailwindcss
- typescript
- vuejs
- +3 more
+2 stars
from 987 · score 1.10
16.mrwyndham / pocketbase-stripe
Pocketbase extention built in Go with stripe webhooks currently in use at sign365.com.au and fastpocket.dev
- go
- golang
- pocketbase
- stripe
+1 stars
from 225 · score 0.69