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

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

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.

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.

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

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.

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.

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.

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.

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

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.

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

Introduction to Open Source Program Office (OSPO)

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.

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.

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.

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.

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

Supabase Privacy and Security

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.

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.

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