scientific — open-source software health

PyPI

98Exceptionalhealth index

ERT - Ensemble based Reservoir Tool - is designed for running ensembles of dynamical models such as reservoir models, in order to do sensitivity analysis and data assimilation. ERT supports data assimilation using the Ensemble Smoother (ES) and Ensemble Smoother with Multiple Data Assimilation (ES-MDA).

Python★ 162↓ 19.9K/moOct 9, 2026

GPL-3.0Oct 9, 2026 · metrics 2.10.0

PyPI · npm

96Exceptionalhealth index

equinor/ecalc

eCalc™ is a software tool for calculation of energy demand and greenhouse gas emissions from oil and gas production and processing.

Python★ 54↓ 1,442/moOct 20, 2026

Custom licenseOct 20, 2026 · metrics 2.10.0

PyPI

96Exceptionalhealth index

equinor/fmu-tools

fmu-tools is a library containing tools for pre- and post-processing in a Fast Model Update (FMU) context

Python · OpenEdge ABL★ 14↓ 6,331/moSep 13, 2026

LGPL-3.0Sep 13, 2026 · metrics 2.10.0

npm

95Exceptionalhealth index

Kitware/vtk-js

Visualization Toolkit for the Web

JavaScript★ 1,526↓ 31.8K/moSep 5, 2026

BSD-3-ClauseSep 5, 2026 · metrics 2.10.0

crates.io

88Excellenthealth index

CramBL/hdf5-pure

Pure Rust HDF5 implementation

Rust★ 38↓ 40.6K/moOct 21, 2026

Apache-2.0Oct 21, 2026 · metrics 2.10.0

NuGet

87Excellenthealth index

SciSharp/NumSharp

High Performance Computation for N-D Tensors in .NET, similar API to NumPy.

C#★ 1,478Sep 6, 2026

Apache-2.0Sep 6, 2026 · metrics 2.10.0

PyPI · npm

84Excellenthealth index

loumalouomega/meshioplusplus

🚀 A high-performance C++ library for robust mesh input/output across numerous formats. This project serves as the ultimate "Swiss Army knife" for mesh manipulation workflows, providing blazing-fast and reliable data handling.

C++ · Python★ 7↓ 11.5K/moSep 11, 2026

MITSep 11, 2026 · metrics 2.10.0

NuGet

84Excellenthealth index

opentk/opentk

The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast math library, giving you everything you need to write your own renderer or game engine. OpenTK can be used standalone or inside a GUI on Windows, Linux, Mac.

C#★ 3,538Sep 11, 2026

Custom licenseSep 11, 2026 · metrics 2.10.0

crates.io · npm · PyPI

78Goodhealth index

cool-japan/scirs

SciRS2 - Scientific Computing and AI in Rust., providing SciPy-compatible APIs while leveraging Rust's performance, safety, and concurrency features. Unlike traditional scientific libraries

Rust★ 293↓ 82.4K/moSep 9, 2026

Apache-2.0Sep 9, 2026 · metrics 2.10.0

PyPI

78Goodhealth index