Domain Arrivals
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Featured in Domain Arrivals · 2026-08-19

IBOS, the study operating system for IB students

ibos.study ↗ · Learning & Exams · score 79.0
○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 personal daily planner that turns IB subjects, deadlines, weak areas, and available hours into a time-blocked plan for tonight.

Why it surfaced

IBOS treats IAs, the Extended Essay, TOK, mocks, and tests as first-class planning inputs, then reworks the schedule when a session is missed or a deadline moves. Its AI assistant, Sage, handles planning administration while explicitly leaving students’ essays untouched; the service is currently closed to new accounts while it is being worked on.

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The Song Resumes After the Story

August 19’s newborn domains include a Hawaiʻi road-trip radio that resumes each song after a GPS-triggered story, an offline Chattanooga recovery map, a 100 KiB operating system running Doom, and an archive of 169,588 Discord roleplay messages.

This is one of 1,000 discoveries in the 2026-08-19 Domain Arrivals issue.

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