Sites like julialang.org

SciML is an open source software organization building Julia tools for scientific machine learning, physics-informed AI and differentiable programming

Stan, an open-source software project and documentation site for Bayesian statistical modeling and inference across several programming languages

A Python plotting library documentation site for Matplotlib, covering static, animated and interactive data visualizations

SciPy, an open source Python library of algorithms for scientific computing, covering optimization, integration, interpolation, statistics and differential equations

NumPy project website: the official home of the open source Python library for numerical computing and N-dimensional arrays

A personal blog by Ole Krüger on open source projects, OpenStreetMap tile servers and Julia packages

The Rust Programming Language project's official site for the Rust systems programming language, with documentation, learning resources and community pages

Amos Wenger's blog and video series on Rust programming, computer internals, and software engineering, written in English

The Nim Programming Language site: documentation, downloads, FAQ, blog and donation pages for the statically typed, compiled systems language Nim

NumFOCUS, a nonprofit charity supporting open source scientific software projects such as SciPy, pandas and Jupyter

The official website of the D Programming Language, covering its documentation, downloads, compiler releases, and community resources

Personal academic website of Fredrik Johansson, researcher in computer algebra, covering his Arb arbitrary-precision library, publications and thesis

Magit, a text-based Git interface inside Emacs, with project news, documentation and blog posts by its maintainer

The Crystal programming language project's website with language releases, API documentation, news and the core team

The official home of the Haskell programming language, covering its compiler GHC, build tool Cabal, installer GHCup and community resources

The V programming language, a compiled open-source language site with documentation, comparisons and a compiler for maintainable software

Scikit-learn, an open-source Python library of machine learning tools for predictive data analysis, with documentation, FAQ and installation guides

MNE-Python, an open-source Python package for analyzing human neurophysiological data such as MEG and EEG

The Zig programming language project's website, covering the general-purpose language, toolchain, documentation, and the Zig Software Foundation

conda-forge: a community-run GitHub organization of conda recipes, packages and the Miniforge installer for software distribution

The Roc programming language's official site, covering a functional language designed for fast compiled code and WebAssembly

Personal blog by software engineer Andrey Fadeev on functional programming, Clojure, web development, and application monitoring

Murat Genc's blog of programming articles on Zig memory management, pointers, and design patterns, mostly in English

PyTorch-Ignite is a high-level Python library for flexibly training and evaluating neural networks in PyTorch, with documentation, talks and ecosystem listings

The HDF Group, a non-profit company maintaining the HDF5 data format and library for scientific and engineering data management

Neovim, a Vim-based open-source text editor project with extensible Lua plugins, documentation and developer resources

SWI-Prolog is an open-source Prolog development environment and programming language distribution with documentation and downloads

COIN-OR news blog on open-source operations research software, announcing the COIN-OR Cup awards and foundation board notices

MSYS2 is a software distribution and build platform for Windows providing Unix-like tools, compilers and package management documentation

Zigtools, a website of free open-source developer tools such as the ZLS language server for the Zig programming language

The official home of the Odin programming language, with documentation, news, showcase games and tools built in it

A documentation site for pytest, the Python testing framework, with a list of talks, books and tutorials about it

RSLint is a native, error-tolerant linter for JavaScript and ECMAScript code, with documentation for its rules and development

The LaTeX Project's website on LaTeX, the document preparation and typesetting system for technical and scientific publishing, with downloads, bug reporting, help and licence text

Alpine Linux, an independent lightweight Linux distribution built on musl libc and busybox, with its release announcements and documentation

TablaM, an experimental relational programming language for data-oriented applications, with documentation on syntax and installation

A blog of ESP32 and Arduino maker projects and educational videos by developer atomic14, including experiments like playing Manic Miner with AI

A programming language called Gleam, a type-safe functional language running on the Erlang runtime, with its documentation and community pages

The pages came through as binary garbage with no readable titles or headings, so the site's subject can't be determined from them. Going only by the domain, python.org is the official home of the Python programming language