head to head · open source
Midday vs SolidInvoice
Midday has 15,014 GitHub stars, 1,876 forks, 17 open issues and last shipped 3 months ago. SolidInvoice has 971 stars, 235 forks, 190 open issues and last shipped 2 days ago. Midday leads on adoption by 1,446% (15,014 vs 971 stars). Midday is written in TypeScript under AGPL-3.0; SolidInvoice is written in PHP under MIT. Midday has attracted 12% as many forks as stars, SolidInvoice 24%. SolidInvoice 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 | SolidInvoice | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 971 |
| License | AGPL-3.0 | MIT |
| Written in | TypeScript | PHP |
| Last push | 2026-06-13 | 2026-09-16 |
| Forks | ⑂ 1.9K | ⑂ 235 |
| 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 SolidInvoice if
- You want the SolidInvoice feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and SolidInvoice 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 SolidInvoice
SolidInvoice is an MIT licensed, self hostable invoicing and billing platform built on Symfony and PHP for freelancers and small businesses that want to send quotes and invoices without handing their client data to a subscription SaaS.
read the full SolidInvoice overview →
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Frequently asked questions
Is Midday or SolidInvoice more popular?
Midday has 15,014 GitHub stars and SolidInvoice has 971. Midday has the larger community by that measure.
Are Midday and SolidInvoice free?
Both are open source. Midday is licensed under AGPL-3.0 and SolidInvoice under MIT. Neither carries a licence fee.
What is the difference between Midday and SolidInvoice?
Midday is written in TypeScript and SolidInvoice 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 SolidInvoice?
Choose Midday if you want the larger community (15,014 stars) or its AGPL-3.0 licence terms. Choose SolidInvoice if its feature set, stack or MIT licence fits better. Both are self-hostable.