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.


: Capture high-quality video from your entire desktop, a single window, or a specific region. It also supports external devices like network IP cameras and capture cards.
Reviews from platforms like Capterra and G2 highlight a mix of ease and complexity: Debut Video Capture(Home/Free) - Review and indepth look
Here’s a detailed write-up for a review of by NCH Software.
At first glance, Debut feels like a relic. It lacks the dark-mode sleekness of OBS. It doesn’t have the instant-sharing features of modern apps. Yet, despite a digital ecosystem that moves at breakneck speed, Debut has remained a stubborn, enduring presence in the download charts.
Streamers, gamers, and modern vloggers.
But does it hold up against OBS, Camtasia, or even QuickTime Player? Here’s an honest, in-depth review.
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. debut video capture software review
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.
: Capture high-quality video from your entire desktop, a single window, or a specific region. It also supports external devices like network IP cameras and capture cards.
Reviews from platforms like Capterra and G2 highlight a mix of ease and complexity: Debut Video Capture(Home/Free) - Review and indepth look
Here’s a detailed write-up for a review of by NCH Software.
At first glance, Debut feels like a relic. It lacks the dark-mode sleekness of OBS. It doesn’t have the instant-sharing features of modern apps. Yet, despite a digital ecosystem that moves at breakneck speed, Debut has remained a stubborn, enduring presence in the download charts.
Streamers, gamers, and modern vloggers.
But does it hold up against OBS, Camtasia, or even QuickTime Player? Here’s an honest, in-depth review.
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now