head to head · open source
Midday vs Invoice Ninja
Midday has 15,014 GitHub stars, 1,876 forks, 17 open issues and last shipped 3 months ago. Invoice Ninja has 10,086 stars, 2,707 forks, 945 open issues and last shipped yesterday. Midday leads on adoption by 49% (15,014 vs 10,086 stars). Midday is written in TypeScript under AGPL-3.0; Invoice Ninja is written in PHP under a custom or non-standard licence. Midday has attracted 12% as many forks as stars, Invoice Ninja 27%. Invoice Ninja was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Midday | Invoice Ninja | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 10K |
| License | AGPL-3.0 | Custom / other |
| Written in | TypeScript | PHP |
| Last push | 2026-06-13 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 2.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Midday if
- You weight community size — 15K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Invoice Ninja if
- You want the Invoice Ninja feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches PHP
- You evaluated both and Invoice Ninja fits your workflow better
About Midday
Midday is an open source business finance and operations tool for freelancers, contractors, consultants, and solo entrepreneurs. It is built in the TypeScript and Next.js ecosystem, with Supabase and TailwindCSS in its stack, and it aims to gather invoicing, time tracking, file reconciliation, storage, financial overview, and an assistant into one system.
read the full Midday overview →
About Invoice Ninja
Invoice Ninja is a source available invoice, quote, project, and time tracking application built with Laravel and PHP. It lives in the Laravel ecosystem and is positioned as an open alternative to QuickBooks, Xero, and FreshBooks. The project provides a web application, API, desktop clients, and mobile clients for businesses that need to bill clients and manage payment related work.
read the full Invoice Ninja overview →
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Frequently asked questions
Is Midday or Invoice Ninja more popular?
Midday has 15,014 GitHub stars and Invoice Ninja has 10,086. Midday has the larger community by that measure.
Are Midday and Invoice Ninja free?
Both are open source. Midday is licensed under AGPL-3.0, and Invoice Ninja has no licence declared in this registry. Both are free to self-host.
What is the difference between Midday and Invoice Ninja?
Midday is written in TypeScript and Invoice Ninja in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Midday or Invoice Ninja?
Choose Midday if you want the larger community (15,014 stars) or its AGPL-3.0 licence terms. Choose Invoice Ninja if its feature set, stack or Custom / other licence fits better. Both are self-hostable.