Crater is a free web and mobile app for making invoices and estimates, and tracking expenses and payments. It is for individuals and small businesses that need to bill customers.
978ActiveMac · Linux · AndroidMITRuns on your own server
SolidInvoice is a free program for creating quotes, invoices and online payment requests, aimed at freelancers and small businesses. You can run it on your own server or pay a flat monthly fee to have it hosted for you.
11kActiveIn your browserAGPL-3.0Replaces partlyRuns on your own server
Lago is a billing system for software products that tracks how customers use a product and turns that usage into prices, invoices and payments. It is aimed at companies that sell usage-based or AI services and the developers who build billing for them.
Runs on your own server · GitHub · Billing for subscriptions and usage, not invoices
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Before you build
Planning something for an alternative to QuickBooks? See what exists first, so you can reuse parts or explain what's different. Paste this into any AI assistant:
Read the list of open-source alternatives at https://opensourceeverything.org/data/groups/invoicing.json. Compare it with my project or idea below. Tell me which projects overlap, what I could reuse instead of rewriting, and what mine does that none of them do.
My project or idea:
Here is a list of open-source alternatives to QuickBooks, from Open Source Everything (CC BY-SA 4.0):
- Crater (AGPL-3.0, https://github.com/crater-invoice-inc/crater; replaces fully): Crater is a free web and mobile app for making invoices and estimates, and tracking expenses and payments. It is for individuals and small businesses that need to bill customers.
- SolidInvoice (MIT, https://github.com/SolidInvoice/SolidInvoice; replaces fully): SolidInvoice is a free program for creating quotes, invoices and online payment requests, aimed at freelancers and small businesses. You can run it on your own server or pay a flat monthly fee to have it hosted for you.
- Lago (AGPL-3.0, https://github.com/getlago/lago; replaces partly): Lago is a billing system for software products that tracks how customers use a product and turns that usage into prices, invoices and payments. It is aimed at companies that sell usage-based or AI services and the developers who build billing for them.
Compare it with my project or idea below. Tell me which projects overlap, what I could reuse instead of rewriting, and what mine does that none of them do.
My project or idea:
