head to head · open source
Lago vs invoicerr
Lago has 10,748 GitHub stars, 782 forks, 23 open issues and last shipped yesterday. invoicerr has 733 stars, 67 forks, 41 open issues and last shipped yesterday. Lago leads on adoption by 1,366% (10,748 vs 733 stars). Lago is written in Go under AGPL-3.0; invoicerr is written in TypeScript under AGPL-3.0. Lago has attracted 7% as many forks as stars, invoicerr 9%. invoicerr was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (open-source), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Lago | invoicerr | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 733 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 782 | ⑂ 67 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Lago if
- You weight community size — 11K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick invoicerr if
- You want the invoicerr feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and invoicerr fits your workflow better
About Lago
Lago Agentic first, open source monetization infrastructure for AI products Meter tokens, compute, API calls, or any product usage. Turn usage into pricing, credits, entitlements, invoices, payments, and revenue. Use Lago Direct for your own product, or Lago Embedded to power monetization for your customers. Run the AI billing demo · Documentation · Talk to us about Lago Cloud “Lago has been able to follow the pace of our releases and has allowed us to focus on what we do best.” Timothée Lacroix, CTO at Mistral AI · Read the customer story See Lago price an AI workload Run the maintained demo from this…
About invoicerr
Invoicerr Invoicerr is a simple, open source invoicing application designed to help freelancers manage their quotes and invoices efficiently. It provides a clean interface for creating, sending, and tracking quotes and invoices — so you get paid faster, with less hassle. 📢 Maintainer availability I no longer have enough personal time to work on Invoicerr full time (studies + job). The project is still open, and I can continue to review and manage community pull requests, but development speed from my side will be slower. ✨ Features Create and manage invoices Create and manage quotes (convertible to invoices)…
read the full invoicerr overview →
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Frequently asked questions
Is Lago or invoicerr more popular?
Lago has 10,748 GitHub stars and invoicerr has 733. Lago has the larger community by that measure.
Are Lago and invoicerr free?
Both are open source. Lago is licensed under AGPL-3.0 and invoicerr under AGPL-3.0. Neither carries a licence fee.
What is the difference between Lago and invoicerr?
Lago is written in Go and invoicerr in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Lago or invoicerr?
Choose Lago if you want the larger community (10,748 stars) or its AGPL-3.0 licence terms. Choose invoicerr if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.