Validate and build XRechnung invoices in the browser
electronic-invoice.app lets businesses check and create German e-invoices in a browser, with an API for software integrations.
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143,648 catalogue cards
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Film Kit puts the mag card on screen
A browser-based camera report for crews shooting 16mm, 35mm, and other analog formats, with a free mag-card tool and production-planning features in beta.
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Fronelta rehearses PostgreSQL migrations before merge
Fronelta says it runs pull-request migrations against a seeded, throwaway PostgreSQL database and reports measured lock behavior and other risks as a GitHub check.
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Gadwal makes AI database edits wait for review
A native Mac database client lets AI tools propose changes while users review the SQL before it runs.
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Vyzo turns your Mac into a phone-sized workspace
Vyzo pairs an iPhone or iPad with a Mac so you can work in Mac apps from your mobile screen.
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Goida Sound’s VST workshop
A collection of 13 VST3 audio plugins for 64-bit Windows, presented as a Russian artisan workshop.
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Ground Truth Colombia: One line running
Lee offers on-site checks of Colombian suppliers for U.S. companies, with English-language reports covering what he observed, the records shown, and what he could not verify.
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Open Physiological Age: a public draft
Healthspan Commons presents a browser-based reference model and open specification for estimating biological age from wearable and routine clinical data.
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Heartland Pickleball turns Midwest courts into a reporting beat
A regional pickleball publication covering Midwest courts, tournaments, gear, and player resources.
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Area and Home Calculations
A Japanese-language hub of calculators and explainers for home area, housing costs, taxes, renting, and DIY materials.
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itlogs.food: You eat. It logs.
A hands-free food-logging project that describes using Ray-Ban Meta glasses to read food and weight from a kitchen scale, then record the entry with nutrition estimates.
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Kitchen Table Code’s small games for curious kids
A collection of free programming, math, and arcade-style puzzle apps for children.
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Le Collègue turns chantier voice notes into quotes and invoices
A WhatsApp-based assistant for building-trade artisans that turns voice notes into quote and invoice PDFs.
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Little Miss Research makes real papers easy to digest
A playful guide to funny real research papers, with topic browsing, a featured-paper prompt, and a quiz.
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Målstreg turns school races into phone-powered events
A Danish race-timing tool for school runs, village races and other group events, using QR bibs, phones, a projector and printable diplomas.
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MapTerm: a map in your terminal
A Rust terminal map viewer that renders OpenStreetMap vector tiles with Braille characters and supports custom styles and data layers.
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MASSACRE: a UFO landing staged as a music rollout
Minister Energi’s music campaign packages the track “MASSACRE” as a fictional UFO incident over North Long Beach, with a signup drive and a planned visual release.
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Metalnoid: Arkanoid with a metal soundtrack
A free, no-install browser arcade game with 20 stages, power-ups, a score table, and a six-track metal soundtrack.
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Mesevilág Kaland: a storybook game with a math detour
A Hungarian-and-English browser game with animal-hero adventures, spatial puzzles, racing, and several other play modes.
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Mobstreets turns real city blocks into turf
A free multiplayer pixel game where players build a crew and compete over real-world city blocks mapped from OpenStreetMap.
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Fleet Ledger, ship by ship
A browsable naval-history project linking wars, fleet movements, battles, and individual ships from the age of sail to the present.
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Ndahunu’s GPS addresses for the Comoros
Ndahunu presents a system for giving homes in the Comoros short, GPS-derived addresses that can be shared by message and found on a map.
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NoMoreData: Metadata tools that stay in your browser
A browser-based toolkit for inspecting, removing, editing, and converting metadata in photos, video, audio, and PDFs.
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Old Quarter Review by Suzy
A local guide to Hanoi’s Old Quarter, with street and food reviews, walkable routes, and guided experiences.