Sites like hanakai.org

Personal site of Victor Shepelev (zverok), a Ruby developer and committer, with essays on software, war, poetry and fiction

Event-Driven, a blog, talks and guides by Oskar Dudycz on software architecture, Event Sourcing, CQRS and event-driven design

An English-language personal blog by Ben Sheldon on Ruby on Rails, Thor commands, and assorted historical and apocryphal topics about the Mississippi

Matteo Collina's personal site on Node.js, with his open source projects, talks and the Adventures in Nodeland newsletter

A German platform linking Ruby and Rails user groups in Hamburg, Berlin, Leipzig and other cities

HanamiMastery is a screencast and article blog on the Hanami Ruby web framework and related open source topics

Personal blog of Daniel Doubrovkine, a New York-based technologist and artist writing on software and art

Software engineer Drew Bragg's personal site on Ruby, JavaScript, Ruby on Rails and Stimulus.js, with a podcast

Blog by Avdi Grimm, a Ruby programmer and coach, covering software development, agentic coding, and Ruby, with a podcast

qutebrowser is a keyboard-focused, minimal-interface free web browser built on Python and Qt, licensed under the GPL

Stan Lo's personal blog on Ruby developer tooling, documentation, REPLs, talks, project updates, and the cctop macOS app

Solidus, an open-source eCommerce platform for brands, with partner agencies and press resources, by its maintainers

Personal web page of Justine Tunney, a software engineer writing on portable executables, llamafile, AI and programming tools

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

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

Essays on programming and open-source by Bozhidar Batsov, creator of RuboCop, CIDER, and Prelude, a blog

A catalogue of Ruby gem projects by Peter Boling, with download counts, maintainer status and tag filters

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

Mock Service Worker, an API mocking library for browser and Node.js JavaScript, with documentation and guides for intercepting network requests

A personal website by Thomas Leitner, blog and projects on Ruby libraries, PDF tools, benchmarks and privacy

Nokogiri, a Ruby library documentation site for parsing and manipulating XML and HTML, with licence, roadmap and security pages

Peter Solnica's dev blog on Elixir, Ruby and AI-driven development, with posts on libraries and testing

Asciidoctor, an open source Ruby text processor and toolchain converting AsciiDoc to HTML5, DocBook, PDF, and EPUB, with documentation and news

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

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

Headius, a commercial JRuby support firm run by core runtime developers, offering priority bug fixes, debugging and performance consulting

The International Obfuscated C Code Contest site: rules, entries, winners and FAQ for a yearly C programming contest, by Landon Curtis Noll and Simon Cookson

Flipper Cloud, a hosted feature-flag service for Ruby applications, with a self-hosted Pro option, from the team behind open-source Flipper

John Oestmann's digital music R+D blog, covering experimental sound tools, generative music experiments, sample packs and tracks, and workflow notes

Monkeytype, a minimalistic customizable online typing test for measuring and improving typing speed and accuracy

Brennan Kenneth Brown's personal weblog on tech criticism, Indigenous issues, writing craft, and AI

Graphile, a software project building GraphQL API tools such as PostGraphile and Graphile Starter, with a news page

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

Turing Post, an independent publication on artificial intelligence research, industry and academia, founded in 2022 by Ksenia Se

Personal site of software engineer Peter Taoussanis, presenting his Clojure libraries such as Nippy, Sente and Tower

NodeBook, an online Node.js book and lab series by Ishtmeet Singh on event loops, memory, networks and building a backend from raw TCP

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

A retro gaming blog by Paul Lefebvre on his Atari 8-bit and Atari ST software, games and memories

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