NumFOCUS Google Summer of Code Materials
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Google Summer of Code

| Sub organizations | IDEAS LIST | Student guides |

NumFOCUS will be an umbrella mentoring organization for Google Summer of Code 2018. NumFOCUS supports and promotes world-class, innovative, open source scientific software.

This Git repository stores information about NumFOCUS' application for Google Summer of Code in the current and previous years.

Table of Contents


NumFOCUS is participating as a umbrella organization. This means that you will need to identify a specific project to apply to under the NumFOCUS umbrella. (Projects are listed below.)

Read this document to learn how to apply for the GSoC program with NumFOCUS. Please also check out our ideas list.

For any questions, please open an issue in our issue tracker or send a email to, our mailing list address. Please also consider subscribing to the mailing list at!forum/gsoc.

Sub Organizations

If you want to participate as a sub organization of NumFOCUS please read this guide.

Organizations Confirmed Under NumFOCUS Umbrella

In alphabetic order.


Cantera is a library to solve problems involving thermodynamics, chemical kinetics, and transport.

Website | Ideas List | Mailing List

Conda Forge

A community led collection of recipes, build infrastructure and distributions for the conda package manager.

Website | Gitter

Data Retriever

The Data Retriever is a package manager for data. It downloads, cleans, and stores publicly available data, so that analysts spend less time cleaning and managing data, and more time analyzing it.

Website | Issues


FEniCS is an automated finite element library used to solve equations used in modeling, featuring a domain-specific language and automated code generation. Users input a problem that looks very much like mathematical notation; FEniCS then translates that into computer code. It solves problems for which there is no analytical (exact) solution numerically.

Website | Community Page With Access to Slack | Ideas Page


"Topic Modelling for Humans." Gensim is an open-source Python library for topic modelling, document indexing and similarity retrieval with large corpora. Target audience is the natural language processing (NLP) and information retrieval (IR) community. Memory-independent and distributed algorithms.

Website | Ideas Page | Mailing List


Julia is a high-level, high-performance dynamic programming language for numerical computing. It provides a sophisticated compiler, distributed parallel execution, numerical accuracy, and an extensive mathematical function library. Julia’s Base library, largely written in Julia itself, also integrates mature, best-of-breed open source C and Fortran libraries for linear algebra, random number generation, signal processing, and string processing.

Website | Ideas Page | discourse


MDAnalysis is a Python library to analyze trajectories from molecular dynamics (MD) simulations.

Website | Mailing list


PyMC3 is a python module for Bayesian statistical modeling and model fitting which focuses on advanced Markov chain Monte Carlo and variational fitting algorithms. Its flexibility and extensibility make it applicable to a large suite of problems.

Website | discourse | Ideas Page


Stan is a probabilistic programming language for data analysis, enabling automatic inference for a large class of statistical models. It features full Bayesian inference with Markov chain Monte Carlo sampling, approximate Bayesian inference with variational inference and the Laplace approximation, and penalized maximum likelihood estimation with optimization. The language integrates a Math Library written in C++, which can act as a stand-alone, and features derivatives for arithmetic, special functions, probability functions, and linear algebra.

Website | Mailing List | Ideas Page


Shogun is and open-source machine learning library that offers a wide range of efficient and unified machine learning methods.

Website | Ideas Page | Gitter


yt is a community-developed analysis and visualization toolkit for examining datasets in a variety of scientific disciplines. yt aims to provide a simple uniform way of handling volumetric data, regardless of where it is generated. yt is developed in Python under the open-source model.

Website | Ideas Page | community-page | mailing-list

NumFOCUS Organizations

Not all NumFOCUS organizations participate under our umbrella. These lists show which organizations are participating with GSoC and where you can find information how to work with them.

Fiscally Sponsored Organizations GSoC Status

Project Status Ideas Pages
AstroPy Applying with Open Astronomy
Cantera Applying under NumFOCUS umbrella
Econ-ARK Not Participating
FEniCS Project Applying under NumFOCUS umbrella
IPython Unknown
Julia Applying under NumFOCUS umbrella
Matplotlib Unknown
nteract Unknown
NumPy Not Participating
Open Journals Unknown
Project Jupyter Unknown
pandas Unknown
PyMC3 Applying under NumFOCUS umbrella
PyTables Unknown
QuantEcon Unknown
rOpenSci Not Participating
Shogun Applying under NumFOCUS umbrella
SunPy Applying with Open Astronomy
SymPy Applying as SymPy
Stan Applying under NumFOCUS umbrella
yt Applying under NumFOCUS umbrella

Affiliated Organizations GSoC Status

Project Status Ideas Pages
Bokeh Unknown
Conda Unknown
conda-forge Applying under NumFOCUS umbrella
Cython Unknown
Dash Unknown
Data Retriever Applying under NumFOCUS umbrella
Dask Unknown
DyND Unknown
Gensim Applying under NumFOCUS umbrella
MDAnalysis Applying under NumFOCUS umbrella
Numba Unknown
Orange Unknown
Pomegranate Unknown
PythonXY Unknown
SciPy Unknown
scikit-image Unknown
scikit-bio Unknown
scikit-learn Unknown
Statmodels Unknown
Spack Unknown
Spyder Unknown
Theano Unknown
xarray Unknown