Dave Plummer ships TMOG, a native Task Manager for three operating systems

Plummer says a 107-page specification and Claude Code helped him build separate native apps around a shared C++ metrics core.

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Primary source: TMOG

Why it matters

TMOG is a credible test of agentic coding under expert direction: a veteran systems engineer used a 107-page specification to turn Claude Code into implementation speed across three native applications.

An urgent pastel drawing depicts an extreme close-up of a task manager's process list and resource graph, alongside pages from a technical software specification.

Dave Plummer (@davepl1968), the former Microsoft engineer who created the original Windows Task Manager, completed the three-platform rollout of TMOG this week, bringing his new system monitor to macOS, Windows and Linux.

Plummer released the macOS beta on July 31st, then announced Windows and Linux availability on August 23rd. TMOG, short for Task Manager OG, is currently labeled Beta2, with version 0.1.1 downloads offered for macOS 13 and later, Windows 11 and Linux desktops running X11 or Wayland.…

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