AFT Fathom Alternatives (January 2026)

AFT pipe flow analysis and modeling software is used by engineers in over 80 countries. Learn more and download a free demo.

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1.
OpenFlows WaterCAD - Water Distribution Modeling and Analysis Software - INAS S.A.
https://www.ina
.ro/en/bentley-watercad/

OpenFlows WaterCAD is an easy-to-use hydraulic modeling application for the analysis, design, and operation of water distribution systems.

2.
HydroCAD Stormwater Modeling
http://www.hydroca
.net/

HydroCAD, hydrology and hydraulics software for modeling stormwater runoff and designing stormwater management systems

3.
CAESAR IIĀ® | Hexagon
https://hexago
.com/products/caesar-ii/

Discover why CAESAR II is the preferred pipe stress analysis solution of engineers around the world.

4.
World-Class Groundwater Modeling Software - Waterloo Hydrogeologic
https://www.waterloohydrogeologi
.com/

At Waterloo Hydrogeologic, our goal is to provide powerful, and yet easy-to-use, groundwater software to professionals in the environmental business. We remain an industry leader with over 5,000 registered installations of our software in over 75 different countries around the world.

5.
CFD Software: Fluid Dynamics Simulation Software
https://www.ansy
.com/products/fluids/

See how Ansys computational fluid dynamics (CFD) simulation software enables engineers to make better decisions across a range of fluids simulations.

6.
FastPIPE, FastDUCT & FastWRAP - Estimating Software
https://fastest-in
.com/fastduct/

Estimating and takeoff software for commercial plumbing, piping, mechanical, HVAC, sheet metal & insulation contractors

7.
FastPIPE, FastDUCT & FastWRAP - Estimating Software
https://fastest-in
.com/

Estimating and takeoff software for commercial plumbing, piping, mechanical, HVAC, sheet metal & insulation contractors

8.
Hydrologic Engineering Center
https://www.hec.usace.arm
.mil/

The official public website of the U.S. Army Engineer Hydrologic Engineering Center (HEC)

9.
Ansys Mechanical | Structural FEA Analysis Software
https://www.ansy
.com/products/structures/ansys-mechanical/

Solve complex structural engineering problems with Ansys Structural FEA analysis software solution for implicit and explicit structural analysis.