Repositories list

• fews-web-oc

  Public
  Delft-FEWS Web Operator Client

  Vue

  •

  GNU Affero General Public License v3.0

  •77 forks•1414 stars•160160 issues•3636 pull requests•Updated Oct 3, 2026Oct 3, 2026

• webgl-streamline-visualizer

  Public
  An animated particle based WebGL visualizer for vector fields. Can be used with different map libraries, as such MapBox and MapLibre. Vector field data are req…

  TypeScript

  •

  MIT License

  •22 forks•22 stars•22 issues•22 pull requests•Updated Oct 3, 2026Oct 3, 2026

• fews-web-oc-components

  Public
  Delft-FEWS Web Operator Client Web Components

  TypeScript

  •

  GNU Affero General Public License v3.0

  •00 forks•33 stars•66 issues•11 pull request•Updated Oct 3, 2026Oct 3, 2026

• Delft3D

  Public
  Repository for Delft3D FM and Delft3D 4 kernels

  d-water-qualityd-real-time-controld-waves+ 7

  d-water-qualityd-real-time-controld-wavesd-morphologyd-flow-fmd-rainfall-runoffdimrd-partical-trackingdelft3d-4quickplot

  Fortran

  •

  Other

  •2424 forks•6666 stars•11 issue•7676 pull requests•Updated Oct 3, 2026Oct 3, 2026

• pyflwdir

  Public
  Fast methods to work with hydro- and topography data in pure Python.

  hydrologyhydrographywatershed+ 4

  hydrologyhydrographywatershedtopographylddbasinsd8

  Python

  •

  MIT License

  •4040 forks•118118 stars•88 issues•00 pull requests•Updated Oct 3, 2026Oct 3, 2026

• Wflow.jl

  Public
  Hydrological modeling

  juliahydrologyhydrodynamics+ 2

  juliahydrologyhydrodynamicshydrological-modellingwflow

  Julia

  •

  MIT License

  •3333 forks•164164 stars•130130 issues•99 pull requests•Updated Oct 3, 2026Oct 3, 2026

• hydromt_wflow

  Public
  Wflow plugin for HydroMT

  Python

  •

  GNU General Public License v3.0

  •2525 forks•3333 stars•7777 issues•1010 pull requests•Updated Oct 3, 2026Oct 3, 2026

• numba_celltree

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

  pythonmeshbvh+ 2

  pythonmeshbvhunstructured-gridcelltree

  Python

  •

  MIT License

  •66 forks•1313 stars•99 issues•11 pull request•Updated Oct 3, 2026Oct 3, 2026

• xugrid

  Public
  Xarray and unstructured grids

  Python

  •

  MIT License

  •1313 forks•102102 stars•7070 issues•77 pull requests•Updated Oct 3, 2026Oct 3, 2026

• Ribasim-NL

  Public
  Ribasim water resources modeling in the Netherlands

  juliawater-resourceshydrology+ 1

  juliawater-resourceshydrologywater-management

  Python

  •

  MIT License

  •11 fork•66 stars•190190 issues•33 pull requests•Updated Oct 3, 2026Oct 3, 2026

• pandamesh

  Public
  🐼 From geodataframe to mesh ▦

  Python

  •

  MIT License

  •1010 forks•4141 stars•77 issues•11 pull request•Updated Oct 3, 2026Oct 3, 2026

• Ribasim

  Public
  Water resources modeling

  juliawater-resourceshydrology+ 1

  juliawater-resourceshydrologywater-management

  Julia

  •

  MIT License

  •99 forks•6262 stars•247247 issues•1616 pull requests•Updated Oct 2, 2026Oct 2, 2026

• SWAN

  Public
  This repository contains the Deltares modified version of SWAN.

  Python

  •

  GNU General Public License v3.0

  •11 fork•11 star•00 issues•00 pull requests•Updated Oct 2, 2026Oct 2, 2026

• Delft-FIAT

  Public
  Fast Impact Assessment Tool

  Python

  •

  MIT License

  •66 forks•77 stars•1515 issues•99 pull requests•Updated Oct 2, 2026Oct 2, 2026

• hydromt_sfincs

  Public
  Python

  •

  GNU General Public License v3.0

  •2929 forks•3636 stars•1515 issues•44 pull requests•Updated Oct 2, 2026Oct 2, 2026

• ProbabilisticLibrary

  Public
  Shared library with probabilistic techniques for Probabilistic Toolkit, Hydra-Ring and Embankment Suite.

  C++

  •

  GNU Lesser General Public License v3.0

  •11 fork•99 stars•4747 issues•11 pull request•Updated Oct 2, 2026Oct 2, 2026

• Riskeer

  Public
  Central application for assessments within WBI2017

  C#

  •

  GNU General Public License v3.0

  •00 forks•88 stars•1616 issues•11 pull request•Updated Oct 2, 2026Oct 2, 2026

• oss

  Public
   Liferay scripts that build up oss.deltares.nl

  Java

  •

  GNU General Public License v3.0

  •55 forks•33 stars•11 issue•11 pull request•Updated Oct 2, 2026Oct 2, 2026

• hydromt

  Public
  HydroMT: Automated and reproducible model building and analysis

  modelinggeosciencehydrology+ 1

  modelinggeosciencehydrologyhydrodynamics

  Python

  •

  MIT License

  •4444 forks•123123 stars•117117 issues•66 pull requests•Updated Oct 2, 2026Oct 2, 2026

• HYDROLIB-core

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

  Python

  •

  MIT License

  •88 forks•3737 stars•148148 issues•1919 pull requests•Updated Oct 2, 2026Oct 2, 2026

• fews-pi-requests

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

  TypeScript

  •

  MIT License

  •11 fork•11 star•1313 issues•77 pull requests•Updated Oct 1, 2026Oct 1, 2026

• fews-wms-requests

  Public
  Delft-FEWS Web Map Service Request javascript library (https://fewsdocs.deltares.nl/webservices/wms)

  TypeScript

  •

  MIT License

  •00 forks•11 star•11 issue•00 pull requests•Updated Oct 1, 2026Oct 1, 2026

• MeshKernelNET

  Public
  .NET wrapper for the MeshKernel library

  C#

  •33 forks•44 stars•11 issue•77 pull requests•Updated Oct 1, 2026Oct 1, 2026

• MeshKernel

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

  algorithmcomputational-geometrymesh-generation+ 3

  algorithmcomputational-geometrymesh-generationunstructured-gridscurvilinear-gridsmesh-orthogonalization

  C++

  •

  GNU Lesser General Public License v2.1

  •1212 forks•3131 stars•55 issues•33 pull requests•Updated Oct 1, 2026Oct 1, 2026

• imod-python

  Public
  🐍🧰 Make massive MODFLOW models

  Python

  •

  MIT License

  •1111 forks•4141 stars•172172 issues•1111 pull requests•Updated Oct 1, 2026Oct 1, 2026

• SFINCS

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

  Fortran

  •

  GNU General Public License v3.0

  •4747 forks•8888 stars•2727 issues•1414 pull requests•Updated Oct 1, 2026Oct 1, 2026

• iMOD-Suite-transition-regional-models

  Public
  Scripts made for the NHI to work with the iMOD Suite and the Dutch regional models.

  Python

  •11 fork•00 stars•1515 issues•00 pull requests•Updated Oct 1, 2026Oct 1, 2026

• Kratos-GeoMechanicsApplication-Documentation

  Public
  Documentation and tutorials for Kratos GeoMechanics Application

  Jupyter Notebook

  •00 forks•00 stars•11 issue•22 pull requests•Updated Oct 1, 2026Oct 1, 2026

• hydromt_fiat

  Public
  HydroMT plugin for Delft-FIAT

  Python

  •

  GNU General Public License v3.0

  •77 forks•66 stars•6767 issues•1818 pull requests•Updated Oct 1, 2026Oct 1, 2026

• rtc-tools-channel-flow

  Public
  Python

  •

  GNU Lesser General Public License v3.0

  •11 fork•11 star•00 issues•22 pull requests•Updated Sep 30, 2026Sep 30, 2026