Pousse-Barrique, a French barrel-gauging calculator
A chai calculator that estimates barrel volume, thermal correction, and volume reduced to 20 °C from pasted measurement rows.
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83,817 catalogue cards
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10441
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10442
PrivaCanvas Keeps Image Redaction on Your Device
A browser-based tool for blurring, pixelating, or blacking out faces and other sensitive details in images.
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10443
ProbXiv, a public ledger for open mathematics
An open workspace where mathematicians post problems, proposed work, formalizations, and checks of whether the work holds.
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10444
ProfitBook Audits the Profit Excel Forgot
A Hindi profit-tracking and audit tool for Meesho and Amazon sellers, with GST-aware P&L, weighted-average costs, RTO losses, settlement gaps, and price planning.
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10445
PublicDataHub Makes Government Data Findable
A searchable index of official U.S. data covering schools, hospitals, federal spending, states, counties, and rankings.
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10446
QuantRu, a Quantum Researcher’s Terminal
Shihao Ru’s research home covers quantum sensing, solid-state spin systems, photonic quantum information, and instrumentation.
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10447
QuillReply, the Gmail follow-up that waits for an answer
A Gmail tool for conditional reply reminders, email-to-task conversion, and drafts shaped by your writing style.
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10448
Rabbot, the Free4Talk Roommate with a Memory
Rabbot is an autonomous AI bot for Free4Talk that joins conversation rooms, speaks aloud, remembers users, plays music, generates images, and manages rooms.
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10449
RaceCut turns songs into marble-race videos
A browser tool that analyzes a song, assigns AI voices to named marbles, and renders a TikTok-ready race video.
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10450
Rara Machina, an Industrial Microwave Workshop with an Open PLC
A Buenos Aires engineering house that builds industrial microwave systems and develops Rara PLC, an open-hardware industrial controller for factories and robots.
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10451
RATIOXA Turns Big German Money Decisions into Comparisons
A collection of calculators for comparing cars, housing, energy investments, loans, and personal-finance choices.
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10452
Raven's End: Six Stops in the Florida Dark
Raven's End is a free, volunteer-run haunted trail through half a mile of woods in Georgetown, Florida.
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10453
Reflexivus Closes the Factory Loop
A retrofit sensing and control layer that detects production drift and adjusts existing machines before parts fall out of tolerance.
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10454
The Relationship Spectrum
An interactive map that places relationship styles—from friendship and monogamy to solo polyamory—across nine dials and sixteen landmarks.
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10455
reminal Puts Your Desktop in a Browser
An open-source tool for controlling windows, desktops, and terminals on your machines from any browser.
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10456
REMI, a familiar voice on the other end of the phone
A conversational companion for people living with dementia that calls or texts the phone they already use, then gives caregivers transcripts and reviewed memories.
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10457
RemRing, the alarm that ignores silent mode
RemRing turns dated reminders and calendar events into alarms that ring through Silent mode and Focus on iPhone and iPad.
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10458
reperto: an offline songbook for live bands
A digital songbook for musicians with chords, lyrics, setlists, transposition, and live song changes synchronized over local Wi-Fi or Bluetooth.
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10459
Report Machines: A Directory of Browser Machinery
A growing directory of 21 interactive calculators, research labs, report engines, games, analyzers, and other browser-built experiments.
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10460
Resident Due Process
A nonprofit-in-formation offering guidance, intake, pro bono help where possible, and counsel referrals for residents and fellows facing medical-training discipline.
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10461
Reveal the Surface: cosmetics with the recipe attached
A student cosmetics club at Saigon South International School makes small-batch fragrances and lip tints, sells them at school popups, and publishes the formulations.
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10462
RiftPocket, a digital binder for Riftbound collectors
A free collection tracker for Riftbound: League of Legends cards, sealed products, wishlists, missing cards, variants, and tradeable duplicates.
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10463
Riggwell — The purchasing crew for inbox-based trade
Riggwell reads supplier email for small importers and distributors, drafts purchase orders and bookkeeping entries, and waits for approval before anything is sent or posted.
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10464
RisePIR Keeps Ethereum Balance Queries Private
RisePIR is a keyword-PIR system that answers Ethereum mainnet balance queries without revealing the requested address to the server.