Sandstr: Try Nostr Clients Without the Commitment
Sandstr offers interactive, in-browser simulations of Nostr clients so visitors can explore them without installing an app, creating keys, or signing up.
Issue 2026-08-21Search the complete card catalogue
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Sandstr offers interactive, in-browser simulations of Nostr clients so visitors can explore them without installing an app, creating keys, or signing up.
A tailored order-and-shipping system for agricultural businesses managing produce orders across marketplaces, email, spreadsheets, phone calls, and seller portals.
A freight-broker tool that reconciles rate confirmations, BOLs, PODs, and carrier invoices before payment.
A pay-per-sermon tool that turns an audio URL into sermon notes, scripture references, discussion questions, takeaways, and a printable congregation handout.
A native macOS workspace for editing, running, monitoring, and revisiting local shell scripts.
A focused Mandarin pronunciation coach that tests tones, initials, and finals at the syllable level, then builds short daily drills around weak sounds.
A QR-code wedding photo collection tool that lets guests upload pictures from their phones into a couple’s private gallery.
An open library of plain-text AI skills, each subjected to documented human security and quality review before merging.
Spectors connects OPC-UA, Sparkplug B, Modbus, and MQTT industrial devices to a single control plane that can run at the edge or in a data center.
An open speedcubing platform with solving guides, algorithm databases, recognition drills, a timer, and solve analysis.
Stadu is a local-first life timeline for logging movies, books, games, concerts, places, trips, and personal milestones from the day you were born.
Strap Zone turns a standard Bluetooth chest strap and a phone into a focused heart-rate training system.
Sunplug uses spare power from home solar panels to charge electric vehicles, supporting two cars at once and working with Tesla or OCPP wallboxes.
A two-year workout app that charges users $1 to $500 for each unverified session, while offering AI-checked reps and creator monetization.
A native macOS utility for opening, comparing, repairing, deduplicating, and transferring photos across multiple Apple Photos libraries.
A guided-learning tool that takes one subject deeper through layered lessons and comprehension checks.
An Arabic-English inventory reconciliation system for comparing store records with warehouse stock, returns, damage, and unexplained shortages.
An offline 3D management game about staffing phone stores, raising cell towers, and lighting up a mobile network across five regions.
Trailhead Puzzle Books is publishing Sudoku books in which every puzzle is named for a real landmark and paired with a researched fact about it.
A catalog synchronization tool that sends Square products, prices, photos, variants, and live inventory to Shopify and Etsy.
An AI-assisted workspace for network and IT-security vendors answering technical tenders, compliance annexes, and NIS2 questionnaires.
A browser-based lab for assembling and signing TikTok requests, including device profiles, generated headers, dry runs, and ready-to-send POST commands.
Tundra Transport Rentals offers online truck and SUV bookings in Utqiagvik, Alaska, for residents, contractors, and agency personnel working on the North Slope.
An internet-first documentary investigating development around Albania’s Vjosa-Narta wetland and Sazan island, alongside related projects in Serbia and Romania.