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 Sea of Free Men) is a sweeping historical epic written by Andrés Vidal , the pseudonym of Spanish author and industrial engineer Màrius Mollà . Released in 2013, the novel explores the turbulent decades of Napoleonic France through the lens of adventure, betrayal, and social rebellion. Plot Overview
His journey spans several decades and continents, including:
The novel is structured around the three pillars of the French Revolution: . It blends the "adventure" genre—filled with storms and exotic locales—with the "historical" genre, reflecting the social upheavals of Revolutionary, Napoleonic, and Restoration France. E-Book and Technical Details
Returning to his home village as a changed man to fight against local injustices and the persistent hatred of his old enemy. Thematic Structure
Living as a castaway adopted by native tribes.
Fighting in Napoleon’s expansionist campaigns.
The story follows , a young dreamer from the village of Loupian in Languedoc. His life takes a dramatic turn when he unearths a dark secret regarding his birth, leading him to flee his family and his first love, Gabrielle. To escape his past and his rival, Alexandre Basset, Christophe enlists in Napoleon Bonaparte’s army.
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.
(The Sea of Free Men) is a sweeping historical epic written by Andrés Vidal , the pseudonym of Spanish author and industrial engineer Màrius Mollà . Released in 2013, the novel explores the turbulent decades of Napoleonic France through the lens of adventure, betrayal, and social rebellion. Plot Overview
His journey spans several decades and continents, including: El Mar De Los Hombres Libres AndrГ©s Vidal epub
The novel is structured around the three pillars of the French Revolution: . It blends the "adventure" genre—filled with storms and exotic locales—with the "historical" genre, reflecting the social upheavals of Revolutionary, Napoleonic, and Restoration France. E-Book and Technical Details (The Sea of Free Men) is a sweeping
Returning to his home village as a changed man to fight against local injustices and the persistent hatred of his old enemy. Thematic Structure It blends the "adventure" genre—filled with storms and
Living as a castaway adopted by native tribes.
Fighting in Napoleon’s expansionist campaigns.
The story follows , a young dreamer from the village of Loupian in Languedoc. His life takes a dramatic turn when he unearths a dark secret regarding his birth, leading him to flee his family and his first love, Gabrielle. To escape his past and his rival, Alexandre Basset, Christophe enlists in Napoleon Bonaparte’s army.
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now