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.


Mature women remain significantly underrepresented in Hollywood, though recent years have seen a "ripple of change" led by high-profile awards and niche streaming content. While the industry has historically fixated on female youth, contemporary data suggests a growing audience appetite for authentic stories about aging, particularly regarding menopause and late-life agency.
Research - Center for the Study of Women in Television & Film
Mature female characters are twice as likely as men to have plotlines centered on physical aging or cosmetic procedures. 3. Behind the Scenes: The "Celluloid Ceiling"
The following report analyzes the current status of mature women (typically defined as age 40+) in the entertainment and cinema industry, focusing on representation, industry challenges, and emerging trends as of early 2026.
Employment for mature women in key production roles remains a challenge, as leadership in the industry is still overwhelmingly male.
Narratives for older women are frequently framed as stories of loss and loneliness; "sad widows" appear in films far more often than "sad widowers".
Older female characters are four times more likely to be portrayed as senile compared to older men.
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.
Mature women remain significantly underrepresented in Hollywood, though recent years have seen a "ripple of change" led by high-profile awards and niche streaming content. While the industry has historically fixated on female youth, contemporary data suggests a growing audience appetite for authentic stories about aging, particularly regarding menopause and late-life agency.
Research - Center for the Study of Women in Television & Film Kendall Penny - Step Milf_2160p.mp4
Mature female characters are twice as likely as men to have plotlines centered on physical aging or cosmetic procedures. 3. Behind the Scenes: The "Celluloid Ceiling" Narratives for older women are frequently framed as
The following report analyzes the current status of mature women (typically defined as age 40+) in the entertainment and cinema industry, focusing on representation, industry challenges, and emerging trends as of early 2026. focusing on representation
Employment for mature women in key production roles remains a challenge, as leadership in the industry is still overwhelmingly male.
Narratives for older women are frequently framed as stories of loss and loneliness; "sad widows" appear in films far more often than "sad widowers".
Older female characters are four times more likely to be portrayed as senile compared to older men.
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now