Sites like diffdiff.net

Personal site of Miriam Eric Suzanne, a Denver hybrid artist writing essays on the web, AI, art and craft

VisiData is an open-source terminal tool for viewing, editing and analysing tabular data, with its documentation and quick reference guide

Invent with Python is a programming learning site with free books, tutorials and a blog by Al Sweigart

Joey Hess's personal blog on Debian, software development, off-grid living and related technical projects

Interactive explanatory essays on physics and engineering topics such as the Moon, GPS, gears and sound, by Bartosz Ciechanowski

A catalog of open source JSON, YAML and TOML schemas used by editors and tools for validation and completion

Helix, a modal text editor written in Rust with multiple selections, tree-sitter and LSP support

Xe Iaso's personal website: blog essays, talks, and Twitch VOD archive on making technology understandable, by a technical educator

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

A community-driven pastel color theme project offering palettes and ports for coding, design, and other applications

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

A design and development agency that builds web and mobile products, with case studies and services from thoughtbot

Starship, a minimal, customizable shell prompt written in Rust, documented across multilingual pages and an FAQ

Nitter, a free alternative front-end for browsing X (formerly Twitter) without an account, run by its maintainer Wooji

Pi-hole, a network-wide ad-blocking DNS server software project with installation guides and donation pages

Simon Willison's Weblog, a personal blog by developer Simon Willison on software, AI tools and web programming, plus a Gemini text-to-speech playground

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

Personal site of software engineer Ben Hoyt, with his résumé, open source Go and Python projects, and technical writing

Personal home page of Eric S. Raymond hosting his open-source software, FAQs, essays and the Retrocomputing Museum

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

Terence Eden's personal blog on standards, Linux, technology, Doctor Who and life, by Terence Eden

Michael Tsai's blog on Mac and iPhone software development, Apple news, and tech commentary, running since 2004

The official website for Nix and NixOS, covering the reproducible, declarative package manager and Linux distribution, with manuals and learning resources

A community wiki and guide to the IndieWeb movement, promoting personal websites owned and controlled by individuals rather than corporate platforms

FreshRSS, a free self-hosted RSS and Atom feed aggregator with a blog and project contact pages

OSNews, a long-running news and discussion site covering operating systems, computing, software development and technology news

A directory showcasing personal websites under 512KB in size, sorted into size-based teams and a random-site redirect

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

The AT Protocol documentation site: specifications, SDKs and guides for building open social web applications, maintained by Bluesky

Balaji's Substack newsletter on crypto, DAOs, startup cities and network states, with essays and posts from 2021 onward

bunnie's burrow is a personal homepage and blog by bunnie, with an introduction and notes on her life and work

An interactive hands-on learning platform for Linux, Docker, Kubernetes and networking, run in the browser

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

Org Mode for GNU Emacs: a plain-text major mode and project site for notes, to-do lists, planning and literate programming

HEY, an email and calendar service from 37signals with a privacy-focused inbox, work plans, blogging, and agent access

Noahpinion, an economics and current-affairs newsletter on Substack by economist Noah Smith

Mastodon, a decentralized, ad-free social network project and its website, with pages in many languages