AI Software Testing Startups: The Definitive 2026 Guide — QA Enters the Agentic Era

AI agents are now the protagonists of QA. A deep dive into 40+ startups reshaping software testing across four categories in 2026.

Books I Read to Learn About Software Testing and QA Engineering

Books I read to get into software testing and QA engineering while forming a new QA team.

Free Books for Learning Software Testing and QA (Quality Assurance) in Waterfall Development

Two free Japanese books that helped me get up to speed on software testing and QA in waterfall development.

Talk Report: "Fukuoka Tech LT Year-End Party" - Building an AI QA Assistant with Giselle

I gave a talk titled "Building an AI QA Assistant with Giselle - Continuous QA for Pull Request Reviews" at "Fukuoka Tech LT Year-End Party" held in Fukuoka. I discussed a system that automatically provides QA feedback when PRs are created, reducing rework costs from last-minute QA. This article shares the content of that presentation.

How to Meet Non-Functional Requirements?

How to avoid shipping features that meet functional but not non-functional requirements, using GitHub issues and Sprint Review.

[iOS] CrashMonkey - Automatic Testing with Random Operations

Trying CrashMonkey for random-operation automated iOS testing, plus fixing the xcode-select startup error.

Is 'Operational acceptance testing (OAT)' Appropriate English for System '動作確認'?

Learning that Operational acceptance testing (OAT) is a decent English equivalent for '動作確認'.

Using Google Spreadsheets for Q&A Management Almost Led to Collapse

Migrating cross-company Q&A management from Google Spreadsheets to GitHub Issues after it started to break.

Event Report: "Test Automation Cases That Reflect QA Engineers' Thinking"

How realistic is the dream of "automating all tests with AI"? From the importance of "expected quality" and complex test automation cases for phone services, I gained grounded insights into practical AI utilization.

Reading Notes『マンガでわかるソフトウェアテスト入門 テスターちゃん Vol.1』(Introduction to Software Testing with Manga: Tester-chan Vol.1) by Mineo Matsutani

Reading notes on 'Tester-chan Vol.1' — a manga-format introduction to software testing, recommended for non-engineers.

A Systematic Guide to Software Testing Types — ISTQB-Based Test Levels, Types & Techniques

A systematic overview of software testing types based on the ISTQB framework. Covers test levels (unit, integration, system, system integration, acceptance), test types (functional, non-functional, regression), test design techniques, and the test pyramid.

Support Details is extremely useful for handling bug reports from customer support

Support Details (supportdetails.com) is handy for collecting a user's OS, browser, and environment info during bug triage.

take-a-screenshot.org Explaining How to Take Screenshots is Convenient for Customer Support!

Sharing take-a-screenshot.org, a per-device screenshot guide handy for customer support.

How to Test Windows 10 + Internet Explorer 11 on macOS [VirtualBox Edition]

Set up a Windows 10 + IE11 testing VM on macOS with VirtualBox.