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.


Using the Lighting service, scripts can dynamically alter the time of day, shadows, and atmosphere. A rainy day script might trigger particle effects for raindrops and adjust the ambient sound design to match.
An entertainment experience relies heavily on audio synchronization, interactive media, and player-triggered environmental scripts (like lighting arrays or club DJ systems). Interactive DJ Booths & Audio Synchronization
Are you interested in custom for smooth menus? Share public link
When players drop food wrappers, items, or spawn temp assets in a roleplay environment, always use game:GetService("Debris"):AddItem(item, lifetime) to prevent memory leaks. Conclusion
Entertainment and lifestyle loops rely heavily on immersion. Nightclubs should glow at night, beaches should populate during the day, and rainy weather should prompt players to seek indoor entertainment hubs.
Imagine waking up and checking your Discord server. You are a developer for a medium-sized "Simulator" game. Your lifestyle looks like this:
No setup or downloads — just instant access right in your browser.
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. roblox penis script full
For curious minds and personal growth.
Free for students and teachers.
Find answers to common questions about epanet-js.
No install. No login. No cloud required.
Using the Lighting service, scripts can dynamically alter the time of day, shadows, and atmosphere. A rainy day script might trigger particle effects for raindrops and adjust the ambient sound design to match.
An entertainment experience relies heavily on audio synchronization, interactive media, and player-triggered environmental scripts (like lighting arrays or club DJ systems). Interactive DJ Booths & Audio Synchronization
Are you interested in custom for smooth menus? Share public link
When players drop food wrappers, items, or spawn temp assets in a roleplay environment, always use game:GetService("Debris"):AddItem(item, lifetime) to prevent memory leaks. Conclusion
Entertainment and lifestyle loops rely heavily on immersion. Nightclubs should glow at night, beaches should populate during the day, and rainy weather should prompt players to seek indoor entertainment hubs.
Imagine waking up and checking your Discord server. You are a developer for a medium-sized "Simulator" game. Your lifestyle looks like this:
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now