Qt6 desktop apps as regular conda packages, runnable in the browser via emscripten-forge.

NumPy on Emscripten-forge now links OpenBLAS in WebAssembly, with large speedups for matmul and linear algebra in the browser.

Compute! Paris 2026

We are thrilled to welcome Pablo Winant to QuantStack as a Scientific Advisor. Pablo joins us part-time while on a sabbatical year from his roles as a Professor at ESCP Business School and École Polyt...

A unified in-browser workflow from CAD to URDF kinematics

A team behind major open-source projects of the scientific computing ecosystem such as Jupyter, Conda-Forge, Mamba, XTensor/SIMD, Apache Arrow/Parquet and more.

A JIT compiler and its scientific Python ecosystem running entirely in the Web browser

JupyterLite is a Jupyter distribution that runs entirely in the web browser without any server components. Deployment and hosting are easy…

We are proud to announce the recipients of the Jupyter Distinguished Contributor (JDC) award for the 2025 cohort of contributors.

Understanding your tools and algorithms is what gives you agency in a digital world. Paris, November 25–26, 2026.

A fully interactive, scalable, and language-agnostic computing environment that operates entirely in your browser. Supports Python, R, C++, and GNU Octave. Share a link — anyone can run it instantly.

Introduction: conda packages metadata indexing

Understanding your tools and algorithms is what gives you agency in a digital world. Paris, November 25–26, 2026.

Understanding your tools and algorithms is what gives you agency in a digital world. Paris, November 25–26, 2026.

Since its initial announcement less than two years ago, JupyterGIS has been a growing effort to bring interactive geospatial workflows into…

If you work in the world of data engineering, you are probably familiar with Apache Arrow — the universal columnar format and…

Notebook.link combines WebAssembly and the conda ecosystem to deliver scalable, serverless computing environments that run entirely in the browser. No backend. No scaling headaches. Just instant, collaborative scientific computing for everyone.

By rewriting the SIMD optimizations of a critical low-level algorithm in Arrow C++, we have been able to deliver substantial speedups when…

www.pydata.org PyData is an educational program of NumFOCUS, a 501(c)3 non-profit organization in the United States. PyData provides a forum for the international community of users and developers…

Rationale for this change The current bit-unpacking algorithm (which is implemented as a C++ code generator script in Python) does not fully leverage SIMD operations: all loads and some bitshifts u...

Since its initial announcement less than two years ago, JupyterGIS has been a growing effort to bring interactive geospatial workflows into…

We are thrilled to announce that JupyterLite is now an official part of Project Jupyter. This milestone marks a significant step forward…

Reimagining how you share, collaborate, and run Jupyter notebooks — all in your browser.

YouTube video by PyData

QuantStack, an “almost accidental startup,” is building a serverless distro of JupyterLab for Jupyter’s global adoption.