Why Lumen exists
AI tools are changing how people write, build, sell, and think — and almost nobody is covering them with the care they deserve. Lumen AI Journal is a small, independent publication built to fix that.
What we cover
We focus on AI tools that real teams use: chatbots and large language models, image and video generators, writing assistants, productivity tools, developer copilots, and AI for marketing and business. Every article is grounded in hands-on testing.
Our editorial standards
- We test tools with real, deadline-driven work before reviewing them.
- We disclose when a tool was provided for review or when a link is affiliate.
- We never accept payment for coverage or for ratings.
- We update articles when products change, with visible revision dates.
Read our full editorial policy for details.
Who we are
Marcus Halden
Editor & lead writer
Marcus has spent the last decade writing about software for working professionals. He has built and shipped products inside startups and large teams, and now spends most of his week stress-testing AI tools so you don't have to.
Read more about Marcus →Get in touch
Tips, corrections, or product introductions are always welcome. Email the editor.