Sites like mcpher.com

A blog on Google Workspace, Google Sheets formulas and Google Apps Script automation by a Google Developer Expert, with front-end and Cloud notes

A free Excel tutorial blog and video library by Microsoft MVP Sumit Bansal, with free online tools

Leanpub, a self-publishing platform where authors sell early-access and in-progress books, including technical titles on software and AI

Low-tech Magazine: an English-language magazine on solar-powered, low-energy technology and sustainable living, with translated editions in German, French, Dutch and Turkish

SankeyMATIC is a free web tool by Steve Bogart for building Sankey flow diagrams from your own data

Jonathan Snook's personal site, a blog, journal and web design and code playground at Snook.ca

The Pudding is a digital publication of visual essays that explain cultural debates through data and interactive graphics

Can I use..., a reference site of browser support tables for web features such as HTML5, CSS3 and JavaScript

The official website of Vue.js, the open-source JavaScript framework for building web user interfaces, with its API reference and documentation

A project website for PyPy, an alternative implementation of the Python programming language with a just-in-time compiler

Aurelia, a JavaScript web application framework created by Rob Eisenberg, with documentation, learning resources and community contributors

Parcel, a zero-configuration JavaScript build tool for the web, with release announcements and blog posts from its team

Zed, an open-source multiplayer code editor from Zed Industries with optional AI agent integration and the Agent Client Protocol

Ant Design, an open-source React UI component library and design system, with its release changelog and documentation

OpenRefine is a free, open source desktop tool for cleaning, transforming and extending messy data

Mocha, a JavaScript test framework for Node.js and browsers, with its project documentation and API reference

Max Woolf's Blog: a personal blog by data scientist Max Woolf on AI, LLMs, Rust programming and data science

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

Babel, an open-source JavaScript compiler project with documentation, a browser REPL and a team page, converting modern JavaScript to older-compatible code

The Open Source Geospatial Foundation website, a nonprofit hub supporting geospatial open source software projects, their community, events and governance

A JavaScript toolkit, gulp.js, for automating build workflows with composable streaming tasks and plugins, documented through its project website

Open source framework for managing Zsh shell configuration, with bundled plugins, themes and helper functions, maintained by a community

The GNOME project's website, presenting its free and independent desktop computing platform and its community, in English and several other languages

JSON Schema is a declarative language and documentation site for annotating and validating the structure and data types of JSON documents

Bulma, a free open-source CSS framework for building responsive websites, documented on its site by developer Jeremy Thomas

Pinecast, a podcast hosting platform for publishing and distributing audio shows, with free starting plans

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

Servo, an open-source web browser rendering engine written in Rust, with a project blog on its development

GIMP, the free open-source cross-platform image editor project, with its official website, bug reports, documentation and news

Dan Luu's personal blog of essays on software engineering, hiring, AI evaluation, and programming practice

A collection of tools, assignment banks and student writing projects from the SPLOT educational web toolkit, centred on WordPress

Homebrew, a package manager for installing software on macOS, Linux and WSL from the command line

Selenium, an open-source browser automation tool for web application testing, documented on its official project website

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

A testing framework called Vitest, powered by Vite, with documentation for writing, mocking and configuring JavaScript tests

Node.js, an open-source cross-platform JavaScript runtime for building servers, web apps, command line tools and scripts

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