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.


The transgender community is a vibrant and essential pillar of the broader LGBTQ+ movement, representing a diverse spectrum of gender identities and expressions that challenge the traditional binary. Understanding this community requires recognizing both its historical roots and the unique cultural contributions it brings to global society. A Legacy of Resistance
Analyze (films, books, or TV shows). Which of these areas
This post aims to:
A modern term for individuals who do not identify strictly as male or female. Personal Journeys and Empowerment
At its core, the transgender community is built on the concept of self-determination
: Many cultures historically recognized more than two genders. For example, the Navajo tradition of nádleehí and the Native Hawaiian mahu honor individuals who embody both male and female spirits.
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
Base cost
User
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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.
No install. No login. No cloud required.
The transgender community is a vibrant and essential pillar of the broader LGBTQ+ movement, representing a diverse spectrum of gender identities and expressions that challenge the traditional binary. Understanding this community requires recognizing both its historical roots and the unique cultural contributions it brings to global society. A Legacy of Resistance
Analyze (films, books, or TV shows). Which of these areas
This post aims to:
A modern term for individuals who do not identify strictly as male or female. Personal Journeys and Empowerment
At its core, the transgender community is built on the concept of self-determination
: Many cultures historically recognized more than two genders. For example, the Navajo tradition of nádleehí and the Native Hawaiian mahu honor individuals who embody both male and female spirits.
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now