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).

27 FREE Professional and Comprehensive Business Strategy Skills for Claude Code; with intelligent context chaining, skill iteration, terminal charts and HTML visualization options.

Natal charts, transits, the sky of a day, Vedic chart and dasha. Read-only, no account.

Birth charts and personal astrology readings, plus compatibility between two people's charts.

Astrology charts, transits and eclipses from NASA JPL data, 13,200 BC to AD 17,191. Free, no key.

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

Swiss Ephemeris astrology: natal charts, transits, synastry, solar returns and astrocartography.

Clean messy tabular data and render publication-ready PNG charts from your AI assistant.

No-signup IoT backend: device names, sensor readings, history and live charts. No API key needed.

Turn data into infographics (PNG/SVG): 90+ templates, or KPI cards, charts, timelines and maps.