Viosimos (Βιώσιμος in Greek, meaning Sustainable) is a simple client-side web app to track energy (electricity), gas, and water consumption. It helps you input meter readings, calculate usage and costs, visualize trends, and manage your utility data locally or via export/import.
Live demo: https://theo79.github.io/viosimos/
-- Track electricity, gas, and water meter readings, tariffs, and dates
-- Auto calculate usage and costs between readings
-- Dashboard overview combining all utilities
-- Monthly summaries for usage and costs
-- Interactive charts using Chart.js
-- PDF report export from the dashboard
-- Data saved in browser local storage (LocalForage)
-- Export/Import CSV and JSON backups
-- Responsive design for all devices
-- Clean, easy-to-use interface
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Clone the repo:
git clone https://github.com/theo79/viosimos.git cd viosimos -
Open
index.htmlin your favorite browser (Chrome, Firefox, Edge). -
Start entering your meter data and explore the features!
index.html - Home page dashboard.html - Combined utilities dashboard energy.html - Electricity tracking gas.html - Gas tracking water.html - Water tracking style.css - Stylesheet viosimos.png - Logo image license.txt - License (CC BY-NC 4.0) README.md - This file
- HTML5
- CSS3
- JavaScript (ES6+)
- Chart.js
- LocalForage
- User accounts and cloud sync
- Cost projections
- Meter reading reminders
- Multi-currency support
- Light/Dark themes
This project is licensed under Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). See license.txt for details.
Theocharis Anastopoulos © 2025
Thank you for using Viosimos — helping you be sustainable one meter reading at a time!