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https://github.com/spliit-app/spliit

Free and Open Source Alternative to Splitwise. Share expenses with your friends and family.
https://github.com/spliit-app/spliit

nextjs react shadcn-ui splitwise tailwindcss template tricount vercel

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Free and Open Source Alternative to Splitwise. Share expenses with your friends and family.

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[Spliit](https://spliit.app)

Spliit is a free and open source alternative to Splitwise. You can either use the official instance at [Spliit.app](https://spliit.app), or deploy your own instance:

[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https%3A%2F%2Fgithub.com%2Fspliit-app%2Fspliit&project-name=my-spliit-instance&repository-name=my-spliit-instance&stores=%5B%7B%22type%22%3A%22postgres%22%7D%5D&)

## Features

- [x] Create a group and share it with friends
- [x] Create expenses with description
- [x] Display group balances
- [x] Create reimbursement expenses
- [x] Progressive Web App
- [x] Select all/no participant for expenses
- [x] Split expenses unevenly [(#6)](https://github.com/spliit-app/spliit/issues/6)
- [x] Mark a group as favorite [(#29)](https://github.com/spliit-app/spliit/issues/29)
- [x] Tell the application who you are when opening a group [(#7)](https://github.com/spliit-app/spliit/issues/7)
- [x] Assign a category to expenses [(#35)](https://github.com/spliit-app/spliit/issues/35)
- [x] Search for expenses in a group [(#51)](https://github.com/spliit-app/spliit/issues/51)
- [x] Upload and attach images to expenses [(#63)](https://github.com/spliit-app/spliit/issues/63)
- [x] Create expense by scanning a receipt [(#23)](https://github.com/spliit-app/spliit/issues/23)

### Possible incoming features

- [ ] Ability to create recurring expenses [(#5)](https://github.com/spliit-app/spliit/issues/5)
- [ ] Import expenses from Splitwise [(#22)](https://github.com/spliit-app/spliit/issues/22)

## Stack

- [Next.js](https://nextjs.org/) for the web application
- [TailwindCSS](https://tailwindcss.com/) for the styling
- [shadcn/UI](https://ui.shadcn.com/) for the UI components
- [Prisma](https://prisma.io) to access the database
- [Vercel](https://vercel.com/) for hosting (application and database)

## Contribute

The project is open to contributions. Feel free to open an issue or even a pull-request!

If you want to contribute financially and help us keep the application free and without ads, you can also:

- πŸ’œ [Sponsor me (Sebastien)](https://github.com/sponsors/scastiel), or
- πŸ’™ [Make a small one-time donation](https://donate.stripe.com/28o3eh96G7hH8k89Ba).

## Run locally

1. Clone the repository (or fork it if you intend to contribute)
2. Start a PostgreSQL server. You can run `./scripts/start-local-db.sh` if you don’t have a server already.
3. Copy the file `.env.example` as `.env`
4. Run `npm install` to install dependencies. This will also apply database migrations and update Prisma Client.
5. Run `npm run dev` to start the development server

## Run in a container

1. Run `npm run build-image` to build the docker image from the Dockerfile
2. Copy the file `container.env.example` as `container.env`
3. Run `npm run start-container` to start the postgres and the spliit2 containers
4. You can access the app by browsing to http://localhost:3000

## Opt-in features

### Expense documents

Spliit offers users to upload images (to an AWS S3 bucket) and attach them to expenses. To enable this feature:

- Follow the instructions in the _S3 bucket_ and _IAM user_ sections of [next-s3-upload](https://next-s3-upload.codingvalue.com/setup#s3-bucket) to create and set up an S3 bucket where images will be stored.
- Update your environments variables with appropriate values:

```.env
NEXT_PUBLIC_ENABLE_EXPENSE_DOCUMENTS=true
S3_UPLOAD_KEY=AAAAAAAAAAAAAAAAAAAA
S3_UPLOAD_SECRET=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
S3_UPLOAD_BUCKET=name-of-s3-bucket
S3_UPLOAD_REGION=us-east-1
```

You can also use other S3 providers by providing a custom endpoint:

```.env
S3_UPLOAD_ENDPOINT=http://localhost:9000
```

### Create expense from receipt

You can offer users to create expense by uploading a receipt. This feature relies on [OpenAI GPT-4 with Vision](https://platform.openai.com/docs/guides/vision) and a public S3 storage endpoint.

To enable the feature:

- You must enable expense documents feature as well (see section above). That might change in the future, but for now we need to store images to make receipt scanning work.
- Subscribe to OpenAI API and get access to GPT 4 with Vision (you might need to buy credits in advance).
- Update your environment variables with appropriate values:

```.env
NEXT_PUBLIC_ENABLE_RECEIPT_EXTRACT=true
OPENAI_API_KEY=XXXXXXXXXXXXXXXXXXXXXXXXXXXX
```

### Deduce category from title

You can offer users to automatically deduce the expense category from the title. Since this feature relies on a OpenAI subscription, follow the signup instructions above and configure the following environment variables:

```.env
NEXT_PUBLIC_ENABLE_CATEGORY_EXTRACT=true
OPENAI_API_KEY=XXXXXXXXXXXXXXXXXXXXXXXXXXXX
```

## License

MIT, see [LICENSE](./LICENSE).