Repositories list

• MeshKernel

  Public
  Deltares C++library for creating and editing meshes. It supports 1D & 2D unstructured meshes as well as curvilinear meshes.

  algorithmcomputational-geometrymesh-generation+ 3unstructured-gridscurvilinear-gridsmesh-orthogonalization

  C++

  •

  GNU Lesser General Public License v2.1

  •10•31•5•9•Updated Oct 23, 2025Oct 23, 2025

• Koswat

  Public
  KOSWAT, from the Dutch combination of words KOSten van WATerkeringen (costs of dike reinforcements). Development version!! For the official software click: https://iplo.nl/thema/water/applicaties-modellen/waterveiligheidsmodellen/koswat/

  Python

  •

  Other

  •0•0•29•2•Updated Oct 23, 2025Oct 23, 2025

• hydromt_sfincs

  Public
  Python

  •

  GNU General Public License v3.0

  •18•30•15•4•Updated Oct 23, 2025Oct 23, 2025

• hydromt

  Public
  HydroMT: Automated and reproducible model building and analysis

  modelinggeosciencehydrology+ 1hydrodynamics

  Python

  •

  MIT License

  •35•102•101•7•Updated Oct 23, 2025Oct 23, 2025

• Ribasim

  Public
  Water resources modeling

  juliawater-resourceshydrology+ 1water-management

  Julia

  •

  MIT License

  •7•58•190•11•Updated Oct 23, 2025Oct 23, 2025

• HYDROLIB-core

  Public
  Core code around the I/O of the DHYDRO-suite

  Python

  •

  MIT License

  •5•31•141•10•Updated Oct 23, 2025Oct 23, 2025

• hydromt_wflow

  Public
  Wflow plugin for HydroMT

  Python

  •

  GNU General Public License v3.0

  •22•23•63•7•Updated Oct 23, 2025Oct 23, 2025

• SFINCS

  Public
  Super-fast modelling of dynamic compound flooding in Coastal Systems

  Fortran

  •

  GNU General Public License v3.0

  •25•57•19•6•Updated Oct 23, 2025Oct 23, 2025

• QUICKPLOT

  Public
  The post-processing program QUICKPLOT allows you to visualise and animate numerical results produced by Delft3D and several other software packages developed by Deltares

  MATLAB

  •

  GNU Lesser General Public License v2.1

  •0•2•0•0•Updated Oct 22, 2025Oct 22, 2025

• GEOLib

  Public
  GEOLib: Python wrappers around the input and output files of the Deltares D-Serie models

  Scheme

  •

  MIT License

  •18•25•6•6•Updated Oct 22, 2025Oct 22, 2025

• MeshKernelPy

  Public
  A Python Wrapper for the MeshKernel

  Python

  •

  MIT License

  •4•26•8•2•Updated Oct 22, 2025Oct 22, 2025

• fews-web-oc

  Public
  Delft-FEWS Web Operator Client

  Vue

  •

  GNU Affero General Public License v3.0

  •5•11•118•26•Updated Oct 22, 2025Oct 22, 2025

• rtc-tools-simulation

  Public
  Python

  •0•1•0•0•Updated Oct 22, 2025Oct 22, 2025

• rtc-tools

  Public
  The Deltares toolbox for control and optimization of environmental systems.

  Python

  •

  GNU Lesser General Public License v3.0

  •7•9•39•7•Updated Oct 22, 2025Oct 22, 2025

• fews-pi-requests

  Public
  Delft-FEWS Web Services REST API javascript libraries (https://fewsdocs.deltares.nl/webservices/rest-api/v1/)

  TypeScript

  •

  MIT License

  •0•0•13•3•Updated Oct 22, 2025Oct 22, 2025

• Geomorphometry.jl

  Public
  Geospatial filtering algorithms

  terrainjuliafilter+ 5costfrictionhacktoberfestpcrasterdtm

  Julia

  •

  MIT License

  •2•18•10•5•Updated Oct 22, 2025Oct 22, 2025

• dfm_tools

  Public
  A Python package for pre- and postprocessing D-Flow FM model input and output files

  Python

  •

  GNU General Public License v3.0

  •18•80•67•0•Updated Oct 22, 2025Oct 22, 2025

• Wflow.jl

  Public
  Hydrological modeling

  juliahydrologyhydrodynamics+ 2hydrological-modellingwflow

  Julia

  •

  MIT License

  •26•141•94•4•Updated Oct 22, 2025Oct 22, 2025

• imod_coupler

  Public
  Application for coupling hydrological kernels.

  Python

  •

  MIT License

  •2•15•26•7•Updated Oct 21, 2025Oct 21, 2025

• oss

  Public
   Liferay scripts that build up oss.deltares.nl

  Java

  •

  GNU General Public License v3.0

  •5•3•0•0•Updated Oct 21, 2025Oct 21, 2025

• Ribasim-NL

  Public
  Ribasim water resources modeling in the Netherlands

  juliawater-resourceshydrology+ 1water-management

  Python

  •

  MIT License

  •1•6•71•4•Updated Oct 21, 2025Oct 21, 2025

• rtc-tools-interface

  Public
  Python

  •

  GNU Lesser General Public License v3.0

  •0•2•1•1•Updated Oct 21, 2025Oct 21, 2025

• ra2ce

  Public
  RA2CE helps to quantify resilience of critical infrastructure networks, prioritize interventions and adaptation measures and select the most appropriate action perspective to increase resilience considering future conditions.

  Python

  •

  Other

  •6•12•62•2•Updated Oct 21, 2025Oct 21, 2025

• hydromt_fiat

  Public
  HydroMT plugin for Delft-FIAT

  Python

  •

  GNU General Public License v3.0

  •4•5•68•5•Updated Oct 20, 2025Oct 20, 2025

• xugrid

  Public
  Xarray and unstructured grids

  Python

  •

  MIT License

  •10•90•63•4•Updated Oct 20, 2025Oct 20, 2025

• pandamesh

  Public
  🐼 From geodataframe to mesh ▦

  Python

  •

  MIT License

  •10•37•5•0•Updated Oct 20, 2025Oct 20, 2025

• QGIS-Tim

  Public
  QGIS plugin and utilities for TimML multi-layer analytic element model

  Python

  •

  GNU General Public License v2.0

  •0•17•43•0•Updated Oct 20, 2025Oct 20, 2025

• DiKErnel

  Public
  Kernel for calculating dike erosion

  C#

  •

  GNU Lesser General Public License v3.0

  •1•2•0•0•Updated Oct 20, 2025Oct 20, 2025

• numba_celltree

  Public
  Celltree data structure for searching for points, lines, boxes, and cells (convex polygons) in a two dimensional unstructured mesh.

  pythonmeshbvh+ 2unstructured-gridcelltree

  Python

  •

  MIT License

  •5•13•6•1•Updated Oct 20, 2025Oct 20, 2025

• FEWS-Archive-MongoDB-plugin

  Public
  MongoDB plugin to archive FEWS data in a MongDB database

  Python

  •

  MIT License

  •0•4•0•0•Updated Oct 20, 2025Oct 20, 2025