Simple Invoices

# No database setup needed, run instantly docker run -d --name simpleinvoices \ -p 8080:80 \ -e DB_ENGINE=sqlite \ simpleinvoices/simpleinvoices:latest # Full install guide -> https://simpleinvoices.org/guide/installation.html

#Save as `docker-compose.yml` and run `docker compose up -d`: services: app: image: simpleinvoices/simpleinvoices:latest ports: ["8080:80"] environment: DB_ENGINE: mysql DB_HOST: db DB_NAME: simpleinvoices DB_USER: si DB_PASSWORD: sipass db: image: mysql:8.0 environment: MYSQL_DATABASE: simpleinvoices MYSQL_USER: si MYSQL_PASSWORD: sipass MYSQL_ROOT_PASSWORD: rootpass # Full install guide -> https://simpleinvoices.org/guide/installation.html

# Save as `docker-compose.yml` and run `docker compose up -d`: services: app: image: simpleinvoices/simpleinvoices:latest ports: ["8080:80"] environment: DB_ENGINE: pgsql DB_HOST: db DB_NAME: simpleinvoices DB_USER: si DB_PASSWORD: sipass db: image: postgres:16 environment: POSTGRES_DB: simpleinvoices POSTGRES_USER: si POSTGRES_PASSWORD: sipass # Full install guide -> https://simpleinvoices.org/guide/installation.html

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Multi-Language

41+ languages with per-invoice language settings. Your admin team works in English while customers see invoices in their native language.

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Multi-Currency

40+ preset currencies plus custom currencies. Each invoice can use a different currency with locale-aware formatting.

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Free and Open Source

GPLv3 licensed. No license fees, no per-user charges. Full source code available. Your data stays in your database on your server.

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Multi-Domain SaaS

Run unlimited isolated invoice domains from one installation. Perfect for SaaS platforms, multi-brand orgs, and regional offices.

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Professional PDFs

Generate beautiful PDF invoices with your logo. Multiple templates available. Email invoices with PDF attachments automatically.

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Online Payments

Accept payments via Stripe, PayPal, Mollie, Coinbase, and more. Nine integrated gateways with per-invoice configuration.

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Web-Based and Mobile

Runs in any browser. Responsive design works on desktop, tablet, and phone. No app installation required.

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Multi-Database

MySQL, MariaDB, PostgreSQL, or SQLite. Switch between engines. SQLite needs zero setup — the entire database is one file.

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Recurring Invoices

Automate repeat billing. Daily, weekly, monthly, or yearly recurrence. Auto-email to customers with PDF attachments.