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.


⭐⭐⭐⭐ (4/5) Title: Works smoothly on Android TV 9.0 – Follow these steps carefully
I recently needed to reinstall the Google Play Store on my Android TV box running Android 9.0, and finding a clean, working APK wasn’t as straightforward as I expected. After some trial and error, I got it working. Here’s my honest take.
This is the standalone Google Play Store APK designed for Android TV (not the phone version). It’s specifically compatible with Android TV 9.0 (Pie) and allows you to download, update, and manage apps directly on your TV.
Yes – but only if you’re comfortable with sideloading and verify the APK’s signature first.
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.
⭐⭐⭐⭐ (4/5) Title: Works smoothly on Android TV 9.0 – Follow these steps carefully
I recently needed to reinstall the Google Play Store on my Android TV box running Android 9.0, and finding a clean, working APK wasn’t as straightforward as I expected. After some trial and error, I got it working. Here’s my honest take.
This is the standalone Google Play Store APK designed for Android TV (not the phone version). It’s specifically compatible with Android TV 9.0 (Pie) and allows you to download, update, and manage apps directly on your TV.
Yes – but only if you’re comfortable with sideloading and verify the APK’s signature first.
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now