Top 9 Open-Source Alternatives to Slimvoice

Product categories

AI Accounting Accounting & Finance Billing & Invoicing Business Management CRM Developer Tools ERP Invoice Management Invoicing Productivity Small Business

Summary

The top open-source alternatives to Slimvoice are Free-Invoice.co.za, Invoice Ninja, and Upcount. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Free-Invoice.co.za Landing Page
1

Free-Invoice.co.za

Free Invoice Software | Free online tool that helps small businesses to generate free invoices and manage their contact list. It can be used as an alternative to expensive invoicing software and online invoicing applications
Pricing:
- Open Source
#Billing & Invoicing #Invoice Management #Invoicing
Invoice Ninja Landing Page
2

Invoice Ninja

Invoice Ninja is a free, open-source solution for invoicing and billing customers.
Pricing:
- Open Source
#Accounting #Billing & Invoicing #Finance 7 social mentions
Upcount Landing Page
3

Upcount

Invoicing for freelancers & small businesses
Pricing:
- Open Source
- Freemium
- Free Trial
- €5.0 / Monthly (Syncing & backup)
#Accounting #Billing & Invoicing #Small Business
Serverless Invoices Landing Page
4

Serverless Invoices

Free, serverless invoice generator - open sourced
Pricing:
- Open Source
#Productivity #User Experience #Developer Tools
BillingBee.co Landing Page
5

BillingBee.co

BillingBee is an online invoicing software that helps you craft professional invoices, send payment reminders, and get paid faster—all for free.
Pricing:
- Open Source
- Freemium
- Free Trial
- $9.99 / Monthly
#Billing & Invoicing #Invoicing #Small Business
InvoicePlane Landing Page
6

InvoicePlane

Free and open source invoicing application to host on your own server.
Pricing:
- Open Source
#Invoicing #Billing & Invoicing #Accounting
Odoo Landing Page
7

Odoo

An all-integrated business app suite to unleash your growth potential.
Pricing:
- Open Source
#ERP #CRM #Business Management 13 social mentions
Lago Billing Landing Page
8

Lago Billing

Open-source alternative to Stripe Billing and Chargebee
Pricing:
- Open Source
#Recurring Billing #Billing & Invoicing #Recurring Subscription Billing 1 social mentions
Crater Landing Page
9

Crater

Free Open-Source Invoice app for freelancers & small businesses.
Pricing:
- Open Source
#Accounting #Invoicing #Time Tracking 6 social mentions