Colorful, themeable Claude Code replies: tables, code, diagrams, charts and tool rows in 15 themes, with copy buttons. A Claude Code mod.

Talk to Excel in DeepSeek Harness: read, edit, clean and report on spreadsheets by conversation. Re-checks every formula after each edit, repairs silent errors, and needs no local Excel for the core work (charts and PDF export use Windows Excel).

A shared whiteboard: draw diagrams, docs, slides, charts and maps on boards people edit live.