Streamlined invoicing made easy

SlimFact is a powerful invoicing solution designed to simplify your billing process. Whether you’re a small business owner, freelancer, or enterprise, SlimFact offers seamless invoice management with the following features:

1. Immutable invoices:

   • Once an invoice is opened, it remains unchanged. No accidental modifications or discrepancies.
   • Fully rendered in the browser, eliminating the need for additional PDF generation packages.

2. Flexible billing:

   • For orders that may undergo changes, SlimFact allows you to create bills.
   • Bills can be seamlessly converted to receipts once paid, maintaining a clear transaction history.
   • If the client requests an invoice, receipts can be converted to an invoice with a single click.

3. Efficient UUID Access:

   • Each invoice is uniquely identified by a UUID (Universally Unique Identifier).
   • Clients can access their invoices anytime using their unique identifier.

SlimFact streamlines your invoicing process, ensuring accuracy, security, and convenience. Say goodbye to manual paperwork and embrace hassle-free billing with SlimFact! 🚀💡

• OpenID Connect (OIDC) authentication.
• API can be used headless if desired.
• Ability to use decimals in invoice line quantity.
• Define the tax rate per invoice line and define wether or not the price includes or excludes tax, and automatically calculate the correct amount.
• Send invoices in different languages by defining the locale on invoice level.
• Clients can easily pay their invoices or bills online with the help of a payment service provider.
  • Mollie
    • Support for multiple profiles.
    • Accept down payments.
    • Refund payments.
• Support for tracking cash or bank transaction payments.

Invoice status flowchart

You will need a running Caddy container.

wget https://raw.githubusercontent.com/simsustech/slimfact/main/docker-compose.yaml
wget https://raw.githubusercontent.com/simsustech/slimfact/main/.env.example -O .env
mkdir env
nano -L .env # Change environment
nano -L env/POSTGRES_PASSWORD # Enter postgress password
nano -L env/OTP_SECRET # Enter OTP secret, use openssl rand -base64 32
nano -L env/OIDC_COOKIES_KEYS # Enter OIDC cookies keys, use openssl rand -base64 32, comma separated
docker compose up
docker exec -it slimfact-database-1 /bin/sh
MODULARAPI_ADMIN_PASSWORD=yourpassword npm run seed:data

You can now login with admin@slimfact.app / yourpassword.

SlimFact is built on top of Modular API. You will need an account for private NPM access.

git clone https://github.com/simsustech/slimfact.git
cd slimfact
pnpm i
docker compose -f docker-compose.dev.yaml up
cd packages/api
POSTGRES_PASSWORD=ufgouifdgjdfg POSTGRES_DB=slimfact pnpm run migrate:latest
POSTGRES_PASSWORD=ufgouifdgjdfg POSTGRES_DB=slimfact pnpm run seed:fake
pnpm run dev

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ELv2 License