Planet Park Club: Quiet Mysteries for Observant Children
A children’s chapter-book series by Olena Karpenko, beginning with three friends investigating a blue bin that fills mysteriously overnight.
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Titles, domains, summaries, categories, signals, dates, and editorial-interest scores across the entire published catalogue.
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71,849 catalogue cards
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4801
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4802
A Quiet Browser Arcade for Children
A Japanese-language collection of free browser games for children, including 23 reaction-based mini-games for ages 0–4 and a rabbit-raising room-building game for ages 6–8.
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4803
Plytica Turns Chess Losses Into Lessons
A browser-based chess coach that imports public Chess.com and Lichess games, explains the move that decided the game, and builds drills from the mistake.
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4804
The Endacopia Puzzle File
A focused walkthrough for the point-and-click horror adventure Endacopia, covering puzzles, endings, secrets, bosses, fish, passwords, and achievements.
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4805
Pokachine: A Card Shop in a Vending Machine
A Canadian network of vending machines selling sealed Pokémon booster packs and mystery PSA or CGC graded cards.
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4806
PromptSpend, an LLM pricing API with receipts
A free, keyless JSON and CSV API tracking published prices, context windows, capabilities, and provenance for 70+ language models.
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4807
Brian Murphy’s Homelab, Built in Public
A cybersecurity portfolio documenting blue-team work, automation, AI-agent operations, and a self-hosted homelab.
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4808
ProveSpec — specs that can be graded
ProveSpec turns software specifications into versioned capability trees that agents and developers can use to build, compare, and grade implementations.
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4809
PurrFlow: The Liquid Cat
A gravity puzzle game in which you redirect a shape-shifting liquid cat through rooms by swiping the entire room, not the cat.
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4810
Quorum watches for the n8n failures that never appear
An open-source, self-hosted monitor for n8n workflows that detects missed runs, suspiciously empty outputs, and recovery states from outside the workflow.
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4811
TPS3R MOTAH Ranca Berseka Turns Waste Into a Local System
An Indonesian village waste-management project in West Bandung that sorts household waste, processes organic and low-value materials, and turns the results into fertilizer, recycled goods, and educational experiences.
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4812
Ranni Rapid Response
A multilingual emergency-coordination portal for Ranni, Kerala, collecting local helplines, flood-safety guidance, verified-status updates, and panchayat WhatsApp groups.
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4813
ReactXN: A Chemical Plant in a Tab
A free, browser-based chemical process simulator for drawing flowsheets, modeling reaction kinetics, separating phases, and testing PID control.
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4814
Redline, a browser-local prose defect scanner
Redline scans a manuscript for prose patterns that readers may recognize as AI tells, then reports counts, rates, chapter heat maps, and examples in context.
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4815
AHD — UPI Without the Internet
An Android app that sends UPI payments, checks balances, and scans payment QR codes through India’s *99# USSD service instead of mobile data.
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4816
Reamline Turns Fixed-Width Reports into JSON
A no-code tool and API for extracting structured data from the fixed-width reports produced by older business software.
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4817
ReasonSmith audits the reasons an automated decision left out
A research-preview audit engine that checks whether automated systems deleted explanations required by formal regulations.
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4818
Rebuild Mode, for the days the children aren’t there
A structured 12-week app for separated and divorced parents, offering three small daily actions shaped around their parenting schedule.
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4819
ReconCSV Makes Bank-Statement Conversion Check Its Own Work
A browser-based converter turns bank-statement PDFs into CSV, Excel, QBO, Xero CSV, and OFX files.
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4820
RecordCue, the Mac app that catches the moment a call begins
RecordCue watches for microphone activity, cues you to record, captures both sides of a call, and transcribes it on your Mac.
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4821
RefitWatch Keeps an Eye on Yachts in Marmaris
A bilingual yacht guardianage service for owners whose boats are wintering or undergoing refit in Turkey.
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4822
How to Remain Human in This Time of Crisis
A twelve-week residential course in community living, practical work, movement, meditation, and Gurdjieff- and Bennett-inspired study.
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4823
ReSwag Wants Your OpenAPI Spec to Fit in Your Head
ReSwag is a lossless, bidirectional shorthand notation for converting OpenAPI specifications into compact, readable endpoint descriptions and back again.
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4824
RERE-CORDS Turns Discarded Vinyl Into a University Design Exhibition
A multilingual Kyushu University project invites art and design students to transform discarded vinyl records into physical works for a public exhibition.