head to head · open source
Midday vs invoicerr
Midday has 15,014 GitHub stars, 1,876 forks, 17 open issues and last shipped 3 months ago. invoicerr has 721 stars, 57 forks, 41 open issues and last shipped yesterday. Midday leads on adoption by 1,982% (15,014 vs 721 stars). Midday is written in TypeScript under AGPL-3.0; invoicerr is written in TypeScript under AGPL-3.0. Midday has attracted 12% as many forks as stars, invoicerr 8%. invoicerr 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 | invoicerr | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 721 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-06-13 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 57 |
| 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 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 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 invoicerr
Invoicerr is open source freelance focused invoicing app. It creates quotes, generates invoices, tracks payments, and collects secure signatures. It lives in open source business software and finance & accounting ecosystem. Project uses TypeScript, React, NestJS, Prisma, SQLite or PostgreSQL, and AGPL 3.0 license. GitHub shows 721 stars, 57 forks, 41 open issues, one year repo age, and last push on 2026 09 15.
read the full invoicerr overview →
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Frequently asked questions
Is Midday or invoicerr more popular?
Midday has 15,014 GitHub stars and invoicerr has 721. Midday has the larger community by that measure.
Are Midday and invoicerr free?
Both are open source. Midday is licensed under AGPL-3.0 and invoicerr under AGPL-3.0. Neither carries a licence fee.
What is the difference between Midday and invoicerr?
Midday is written in TypeScript 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, Midday or invoicerr?
Choose Midday if you want the larger community (15,014 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.