Expense.fyi is an open-source expense tracker application to effortlessly track and manage your expenses.

Introduction · Tech Stack · Implementation · App Routes · Contributions

Expense.fyi is an open-source application to effortlessly track and manage your incomes, expenses, investments, and subscriptions.

• Next.js – framework
• Components – ui-components
• Tailwind – CSS
• Supabase – database
• Vercel – hosting
• Resend – emails

• Expense.fyi is built using NextJs from scratch.
• Postgresql is used as the ORM for easily communicating with the database for storing user, subscription data, etc. You can refer to the Prisma schema here.
• Supabase is an open-source Firebase alternative, the data is stored in the Postgres database (private data are encrypted) and uses a magic link for authentication provided by supabase.
• LemonSqueezy is used as the payment system. Its implementation is super simple.

Here's how you can contribute:

• Open an issue if you believe you've encountered a bug.
• Make a pull request to add new features/make quality-of-life improvements/fix bugs.

• Gokulakrishnan Kalaikovan (@gokul_i)

Expense.fyi is an open source under the GNU Affero General Public License Version 3 (AGPLv3) or any later version. You can find it here.