The modern operating system for your wealth. Stop wrestling with spreadsheets. Flux offers institutional-grade insights with the freedom of open source.
Built with the modern stack
Flux gives you the power of choice. Use our managed secure cloud, or host it on your own metal. It's your data.
Instant access, zero maintenance. We handle security, backups, and updates for you.
Total control. Run Flux on your home server, VPS, or Raspberry Pi via Docker.
Hold assets in USD, EUR, BTC, or ETH. Flux normalizes everything to your base currency in real-time.
"What if I buy a house?" Simulate major financial decisions and see the impact on your net worth over time.
Your data is encrypted at rest. We don't sell your data. We don't show ads. You are the customer, not the product.