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.


: Before his duel with Laxus, Jura faces Orga Nanagear. Despite Orga's formidable Lightning God Slayer Magic, Jura shocks the stadium by knocking him out with a single blow.
Which battle from the Grand Magic Games do you think was the ? Fairy Tail Series 2 Episode #13 Anime Review
: The battle between Gajeel and a shadow-possessed Rogue comes to an end. Gajeel uses his new shadow-iron powers to finally overpower and defeat Rogue, causing the mysterious shadow to exit Rogue's body.
"Titles don't matter right now. We're just two men." — Laxus Dreyar
Fairy Tail (2014) Episode 13 (overall series Episode 188), titled , is a high-stakes turning point in the Grand Magic Games arc. This episode centers on the clash between Laxus Dreyar and Jura Neekis, two of the most powerful wizards in the kingdom. Key Plot Points
: Laxus steps up to challenge Jura, one of the Ten Wizard Saints. Jura initially overwhelms him, but Laxus refuses to stay down, famously stating that they are "just two men" fighting for their guilds, ignoring titles or status.
Fairy Tail's grit is on full display here. Who else got chills when Laxus landed that first clean hit on Jura? 🔥
: While the games continue, the rescue team (Natsu, Lucy, and others) is still trapped and fighting against the Garou Knights in the palace. Recommended Social Media Post
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.
: Before his duel with Laxus, Jura faces Orga Nanagear. Despite Orga's formidable Lightning God Slayer Magic, Jura shocks the stadium by knocking him out with a single blow.
Which battle from the Grand Magic Games do you think was the ? Fairy Tail Series 2 Episode #13 Anime Review
: The battle between Gajeel and a shadow-possessed Rogue comes to an end. Gajeel uses his new shadow-iron powers to finally overpower and defeat Rogue, causing the mysterious shadow to exit Rogue's body. Fairy Tail (2014) Episode 13
"Titles don't matter right now. We're just two men." — Laxus Dreyar
Fairy Tail (2014) Episode 13 (overall series Episode 188), titled , is a high-stakes turning point in the Grand Magic Games arc. This episode centers on the clash between Laxus Dreyar and Jura Neekis, two of the most powerful wizards in the kingdom. Key Plot Points : Before his duel with Laxus, Jura faces Orga Nanagear
: Laxus steps up to challenge Jura, one of the Ten Wizard Saints. Jura initially overwhelms him, but Laxus refuses to stay down, famously stating that they are "just two men" fighting for their guilds, ignoring titles or status.
Fairy Tail's grit is on full display here. Who else got chills when Laxus landed that first clean hit on Jura? 🔥 Fairy Tail Series 2 Episode #13 Anime Review
: While the games continue, the rescue team (Natsu, Lucy, and others) is still trapped and fighting against the Garou Knights in the palace. Recommended Social Media Post
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now