AlphaFold 2 (Open Source) -> AlphaFold 3 (Closed Source)

Why AlphaFold 2 shipped as open source while AlphaFold 3 stayed closed, seen through Isomorphic Labs' commercial angle.

[Android] Android-Bootstrap - Use Bootstrap and Font Awesome UI Components

Introducing Android-Bootstrap, a library for using Bootstrap-style buttons and Font Awesome icons in Android apps.

[Android] Crouton - A Library for Easily Displaying Toast-like Notification Views

Introducing Crouton, an Android library for showing Toast-style notification views easily.

Became a GitHub Sponsor of antfu

I became a GitHub Sponsor of antfu. Migrating from Marp to Slidev inspired me to support the OSS maintainer whose projects I benefit from daily.

Examples of Organizations Prohibiting AGPL License Usage

Examples of organizations that prohibit or strongly discourage AGPL license usage, from Google and Unicharm.

Became a GitHub Sponsor of aquaproj — Supporting the aqua-registry Maintainers Behind My Beloved mise

I became a GitHub Sponsor of aquaproj. An announcement from the aquaproj team reminded me that the mise toolchain I use every day stands on top of aqua-registry, so I wanted to support the maintainers behind it on an ongoing basis.

I Became a Personal Sponsor of Biome

Why I became a personal Biome sponsor via GitHub Sponsors, and why I later paused it.

CLI Agent License Comparison and Commercial Use Guide - Claude Code, Codex, Gemini CLI

License investigation results for embedding CLI Agents into your product. Explains the differences between Claude Code (proprietary) and Codex/Gemini CLI (Apache 2.0), along with commercial use considerations.

Crash report service implementation proposal ~ Errbit, Sentry, Bugsnag, Airbrake

A proposal comparing Errbit, Sentry, Bugsnag, and Airbrake as crash report services by pricing and features.

[DB] Free ER Diagram GUI Editor "ER Master"

ER Master, a free ER-diagram GUI editor that runs as an Eclipse plugin.

Drawing Hand-Drawn Style Diagrams with AI Using Excalidraw MCP Server & Agent Skill

With Excalidraw MCP Server & Agent Skill, you can have AI draw hand-drawn style diagrams with just a prompt. Here's the setup process and tips on changing the port.

Feature Flag Service Comparison — How to Choose Between OSS, Self-Hosting, and Japan Region

A comparison of major feature flag services, from SaaS offerings like LaunchDarkly to OSS options such as Unleash, Flagsmith, GrowthBook, and Bucketeer. Also covers how to choose a self-hosting strategy with the Japan region in mind.

Self-hosting the OSS Version of Firecrawl

Self-hosting the Firecrawl OSS v1.0.0 with Docker Compose, and trying crawl and scrape locally.

My First OSS Contribution to Firecrawl

Introducing my OSS contribution to Firecrawl, which was included in the v1.1.0 release.

Gemini CLI Is Apache 2.0 Licensed, but Read the Terms of Service

Gemini CLI's repository is licensed under Apache 2.0, allowing code modification and redistribution. However, the Terms of Service explicitly prohibit third-party tools from accessing the backing services. This post examines the gap between the open-source license and the service terms.

Official Launch of Open Source AI App Builder Giselle - Ranked #2 Worldwide on Product Hunt!

Our recently launched open source AI app builder 'Giselle' achieved Daily #2 on Product Hunt! Here's a behind-the-scenes look at the 24-hour challenge.

github-changes Can Auto-Generate CHANGELOG.md from Commit Messages

How to use github-changes to auto-generate CHANGELOG.md from commit messages, with a real-world PR example.

Comparison of GitHub Sponsors and Open Collective

How GitHub Sponsors and Open Collective fees compare for OSS sponsorship, based on their published pricing.

[GitHub] How to Sync a Forked Repository with the Original Repository

How to configure the original repository as upstream and pull in its latest changes for your fork.

Adopting the Essence of Harness — 10 Principles to Improve Your DevOps

Harness improves DevOps. But you don't need Harness to adopt its essence. Here are 10 principles Harness embodies and how to implement them with OSS tools.

I Missed a More Popular Same-Name OSS, So I Renamed Mine to hermes-talaria

I later realized my OSS oh-my-hermes shared a name with a repository sitting at about 1.3k stars. It was just confusing, so I renamed mine to hermes-talaria and flipped the extension namespace prefix from omh- to ht- along the way. Since I am currently the only user, the breaking change is fine. For the new name I checked GitHub search first.

Became a GitHub Sponsor of Homebrew

I became a GitHub Sponsor of Homebrew. It started when I visited the GitHub repository while organizing my Brewfile and discovered that I could sponsor the project.

[iOS] TSMessages v0.9.3 Added dismissActiveNotification Method to Hide Currently Active View

Notes on the dismissActiveNotification method added in TSMessages v0.9.3.

Famous OSS Web Applications Built with Java and Spring Boot — Notable Examples by Category

Spring Boot powers a remarkable range of open-source web applications, from teaching apps like Spring PetClinic to production platforms like ThingsBoard, Apache Fineract, and Apereo CAS. The right project to study depends on whether you want a reference, a production base, or an internal developer tool, so this post groups them by category.

jquery-cookie is No Longer Maintained and Sometimes Doesn't Work, So Use js-cookie

jquery-cookie is no longer maintained and its authors point users to the successor library, js-cookie.

Comparing Permissive-Licensed OSS Load Testing Tools — k6 Alternatives and Use-Case Mapping

With k6 sitting on AGPL-3.0, requests to rebuild the load testing stack on permissive licenses only have become a regular conversation. This post lines up the major Apache 2.0 / MIT candidates (Gatling, Locust, JMeter, Goose, Vegeta, oha, Fortio, ghz, and others), comparing protocol coverage, resource efficiency, and CI/CD fit, and maps each to a workload.

I Became a Linux Foundation Individual Supporter

Notes on becoming a Linux Foundation Individual Supporter and buying the optional lifetime @linux.com email add-on.

Introduction to llms.txt and OSS Marketing Insights

What is llms.txt? It's a file for LLMs to understand websites. We'll explain the benefits of implementation, how to write it, and the procedure. We'll also introduce hints for OSS marketing.

Picking an OSS Alternative After LocalStack Was Archived — A Comparison of MiniStack, Floci, kumo, fakecloud, and moto

LocalStack's OSS repository was archived and the Community Edition image was rolled into an auth-required unified image, leaving many teams who had built their CI/CD and docker-compose flows around it scrambling for a replacement. This post lines up the newcomers (MiniStack, Floci, kumo, fakecloud) and the durable test-side tools (moto, ElasticMQ, S3Mock, DynamoDB Local), compares them on license, service coverage, and migration cost, and maps each candidate to a workload.

macOS Copy-Paste Extension App Clipy

An introduction to the macOS copy-paste extension Clipy, and enabling its beta option to keep screenshots in the clipboard history.

Mastodon Default Image Locations, Sizes and Other Information for Administrators

Where Mastodon v1.3.1 keeps its default images (app/assets/images), with a size-annotated file listing.

Mastodon email sending configuration - Gmail Edition

How to configure a self-hosted Mastodon instance to send email through Gmail via .env.production SMTP settings.

Mastodon usage guide, server setup, and useful tools summary

Curated references on Mastodon usage, server setup on Sakura Cloud / VPS / AWS, and useful tools.

Lessons from 'Open Source: From Community to Commercialization | Andreessen Horowitz'

Lessons from a16z on OSS business models and why community — not code — is the real competitive moat.

Introduction to Open Source Program Office (OSPO)

A starter reading list on OSPO: what it is, its responsibilities, LF research, and company case studies.

How OSS Contribution Policies Changed in Response to AI Slop — curl, Ghostty, tldraw, and the Wider Field

Coding agents flipped the review economy: seconds to generate, hours to debunk. Between late 2024 and mid-2026, curl, Ghostty, tldraw, the Linux kernel, LLVM, NetBSD, Fedora, WordPress, NewPipe, typescript-eslint, llama.cpp, Jazzband, and many more projects rewrote their contribution policies in response. This post walks the primary sources and groups the responses into three policy families: outright bans, human-in-the-loop, and structural closure.

Bug Bounty Programs in Open Source Projects - Lessons from Implementation and Termination Cases

Investigating bug bounty program implementation and termination cases in open source projects. From big tech-led programs to OSS companies like Vercel, Supabase, and Neon, and new challenges in the AI era, we explore the current state of OSS security.

From Policy Documents to Closing the Gate — How Ladybird, codex, and tldraw Stopped Accepting External PRs in 2026

The previous post organized how projects rewrote their contribution policies into three types. This sequel covers the 2026 cases that closed the PR gate itself rather than the policy document: Ladybird's complete halt of public PRs, openai/codex's collaborators-only model, tldraw's auto-close of external PRs, Ghostty's Vouch, curl's bug bounty removal, Jazzband's dissolution, the 19,000-line AI PR debate in Node.js, and GitHub's platform response, all read against the supply-chain security context that begins with the xz utils incident.

Paused My OSS Individual Sponsorships

I paused my OSS individual sponsorships. The 2026 Kumamoto earthquake made me reallocate my personal resources from OSS to my hometown of Kumamoto. I plan to restart around 2027.

The Complete Guide to OSS-Licensed Local Coding LLMs (2026 Edition)

A complete guide to running OSS-licensed (Apache 2.0 / MIT) coding LLMs locally. Includes the latest model comparisons and practical setup instructions as of March 2026.

Differences between major LICENSEs and how to identify them

A memo of reference links about the differences and identification methods for major OSS licenses like BSD, MIT, GPL, LGPL, and Creative Commons.

Introducing SECURITY.md and security.txt to Open Source Projects - Learning from Giselle

Learn how to introduce SECURITY.md and security.txt to open source projects using Giselle as an example. Covers security policy writing, vulnerability reporting methods, and automating update reminders with GitHub Actions.

I Became a Personal Sponsor of yhatt

I became a personal GitHub Sponsors sponsor of Marp's creator yhatt, whose tool I use for slides.

Displaying Product Hunt Badges on GitHub README: A Case Study of 7 Popular Repositories

Where should you place Product Hunt award badges on your GitHub README? After researching 7 popular OSS projects including Cal.com and Documenso, I concluded that a hybrid strategy—placing badges at the top right after launch to maximize momentum, then moving them to a Recognition section as the project matures—could be effective.

I Became a Personal Sponsor of Python

Becoming a personal sponsor of Python via GitHub Sponsors since I rely on it for AI/LLM app development.

Remove Password from PDF Files with qpdf Command

Remove passwords and print restrictions from PDFs from the CLI using the open-source qpdf command.

Reading Notes: 'Open Sources: Voices from the Open Source Revolution'

Reading notes on 'Open Sources', covering OSS history, branding, licensing, and business strategy.

Personal Donation to Become '2023 Ruby Association Supporter'

I made a personal donation to the Ruby Association and became a 2023 Ruby Association Supporter.

Neutral Face Emoji Tools for bulk adding Slack Custom Emoji is convenient

Neutral Face Emoji Tools — a Chrome extension for bulk-registering Slack Custom Emoji via drag-and-drop.

social-share-urls: Easy Generation of SNS Share URLs

Using the open-source social-share-urls tool to bulk-generate share URLs for multiple social networks.

How to build a Strapi demo environment

Two quick paths to try Strapi: the Hosted Demo and a local project via `npx create-strapi-app`.

[Stylus] Lost img selector in nested selectors

A Stylus 0.40.3 bug where an `img` selector at the top of a nested block gets dropped from the compiled CSS.

Supabase Privacy and Security

A quick check of Supabase's privacy policy, region options, open source edition, and SOC 2 Type 2 status.

Became an Individual Sponsor of Tailwind CSS

I became an individual sponsor of Tailwind CSS. The discussion around the llms.txt endpoint PR inspired me to support Tailwind CSS, which I use daily.

Japanese Text Recognition from Images Using Tesseract OCR [macOS Edition]

Install Tesseract OCR on macOS, add the Japanese trained model, and recognize Japanese text from images.

Joined Twitter Blue After Twitter's Recommendation Algorithm Source Code Was Released

Why I subscribed to Twitter Blue after Twitter open-sourced its recommendation algorithm.

Picking a TypeScript OSS E-Commerce Platform in 2026 — Medusa v2, Vendure v3, and Where EverShop Fits

After several years of headless and composable consolidation, the realistic shortlist for TypeScript-native OSS e-commerce platforms in 2026 has collapsed to Medusa v2 and Vendure v3, with EverShop as a lightweight integrated alternative. Saleor (Python core) and Next.js Commerce (storefront framework without an EC API) sit outside the TypeScript-native scope used here; Reaction Commerce is discontinued. This post compares the three on license, architecture, and AI / Agentic Commerce readiness, then maps the choices to use cases.

Open Source Software (OSS) and Company List Featured by Unusual Ventures

A summary of OSS-related articles on Unusual Ventures and the featured OSS/company list.

I Became a Personal Sponsor of Vite

Becoming a personal Vite sponsor via GitHub Sponsors, then pausing all OSS sponsorships.

Automatic Japanese Text Transcription from Audio Files with whisper.cpp

Notes on transcribing audio to Japanese text using whisper.cpp.