Domain Arrivals
You’re viewing the 2026-08-07 issue, not the current issue. Go to the current issue: 2026-08-14

Featured in Domain Arrivals · 2026-08-07

Sun Sandbox, a Solar Roof Shadow Simulator

sunsandbox.com ↗ · Useful Tools · score 88.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free browser-based 3D tool for tracing a roof, placing solar panels, and seeing how shadows move across the array throughout the day and year.

Why it surfaced

Sun Sandbox lets users model trees, chimneys, neighbouring buildings, roof pitch, orientation, and row spacing before installing anything. It compares layouts against an unshaded array and is unusually candid about its limits: the geometry is exact for drawn objects, while the energy model uses idealised clear-sky conditions.

Read the complete issue Visit the observed site ↗

Continue into the edition

A File Musicians Can Argue With

August 7’s newborn domains include editable orchestral scores with up to 33 staves, 15 years of Valencia council interventions, a dementia-friendly frame with one optional button, and a memorial golf tournament whose winner wears the Meatball Jacket.

This is one of 1,000 discoveries in the 2026-08-07 Domain Arrivals issue.

Explore the complete issue Browse Useful Tools

More from Useful Tools

Three more arrivals

Rhymeprint Makes Rhyme Schemes Visible rhymeprint.com

A browser-based tool that maps rhymes by sound and syllable, analyzes pasted lyrics or tracks, and turns the result into an animated video or still.

 Rumble Draft Turns Fantasy Draft Order Into a Battle Royale rumbledraft.com

A free, no-signup tool simulates a wrestling-style rumble to determine a fantasy league's draft order.

 Hook Detector Reads the Street Before It Writes a Word hookdetector.com

A multilingual hook-writing tool that studies spoken opening lines from high-view clips, then generates evidence-backed alternatives with source details attached.