epanet-js
No installs. No forced cloud storage. Just fast, local-first water modeling — powered by the engine you already trust.
You shouldn't have to choose between speed, security, and affordability just to understand your water networks.


Quick access to unlocked races and split-screen multiplayer for two players.
Features higher-resolution textures, improved lighting, and better dust/particle effects compared to the standard definition versions.
The "Disney Pixar Cars" game for the (often found in ISO or XEX formats for emulators or modded consoles) is an enhanced version of the original 2006 title. While it shares the core "Piston Cup" story with the PS2 and original Xbox versions, the 360 release includes specific graphical upgrades and exclusive content. 🏎️ Xbox 360 Exclusive Features
A complete disc image, typically used for burning to a DVD or for use with emulators like Xenia .
As a standard for the Xbox 360, this version includes an achievement system to track progress and milestones. 🏁 Core Gameplay Highlights
EPANET was a gift to the industry — free, open-source water modeling for all. But commercial vendors built on it, locked away improvements, and left the community behind.
epanet-js is our answer: a faster, simpler, affordable water modeling tool that protects your privacy and sustains the open-source future of water modeling.
We're proud to be part of the next chapter — and we're just getting started.

When you purchase more features in epanet-js, you're investing in the future of open-source EPANET development.
Our open-source model balances innovation and accessibility:
Anyone can build on our code. The two-year commercial-use delay gives us the incentive to keep pushing forward — and that fuels progress for everyone.
That means when you support us, you support more affordable hydraulic modeling software for the entire community.
Choose the plan that works for you
Individual named license
Floating shared license
Have questions? or book a call.
Available for non-commercial projects, learning, and student work.
For curious minds and personal growth.
Free for students and teachers.
Find answers to common questions about epanet-js.
Quick access to unlocked races and split-screen multiplayer for two players.
Features higher-resolution textures, improved lighting, and better dust/particle effects compared to the standard definition versions.
The "Disney Pixar Cars" game for the (often found in ISO or XEX formats for emulators or modded consoles) is an enhanced version of the original 2006 title. While it shares the core "Piston Cup" story with the PS2 and original Xbox versions, the 360 release includes specific graphical upgrades and exclusive content. 🏎️ Xbox 360 Exclusive Features
A complete disc image, typically used for burning to a DVD or for use with emulators like Xenia .
As a standard for the Xbox 360, this version includes an achievement system to track progress and milestones. 🏁 Core Gameplay Highlights
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now