GFLOW 2.1.2 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The most popular version among the software users is 2.1.
The common filename for the program's installer is gflow.exe. This software is an intellectual property of Haitjema Software. You can run this PC program on Windows XP/7/8/10/11 32-bit. The software lies within Business Tools, more precisely Project Management.
From the developer:
GFLOW is a highly efficient stepwise groundwater flow modeling system developed by Haitjema Software, a subdivision of Haitjema Consulting, Inc. GFLOW is a Windows program based on the analytic element method. It models steady state flow in a single heterogeneous aquifer using the Dupuit-Forchheimer assumption.
You may want to check out more software, such as AllNetic Working Time Tracker, Muster or RelCalc, which might be similar to GFLOW.