Useful Tools

A browser-based music tracker for making chiptunes, with support for XM, MOD, S3M, and IT files.

A free, GPL-licensed desktop app that turns a prompt into an animated film with a storyboard, motion, music, and optional narration.

A free, open-source desktop viewer for microscopy and electron-microscopy images, including large TIFF and MRC stacks.

Attente is a manuscript-writing app that says it tracks a whole book and offers contextual suggestions alongside the page.

A reconciliation tool for mobile-money and bank agents that uses transaction SMS to track float, cash, and shortages by branch, service, shift, and staff member.

A travel-price comparison site covering treks, safaris, cruises and other major trips, with prices grouped by route and trip length.

Clean Keyboard is a free Mac utility that pauses keyboard and trackpad input while you wipe them, then restores input when cleaning ends.

An interactive map plots locations connected to 15 works by Fyodor Dostoevsky, across Petersburg, Russia, and Europe.

Physicist Fabian Magaña-Sandoval pairs real optics experiments with interactive 3D models that visitors can adjust and measure in a browser.

An interactive comparison of flat-white prices across 52 cities, using café prices to sketch exchange-rate and affordability gaps.

An unofficial Romanian-language hub for men's basketball results, records, team histories, news, and fan games.

A weekly index tracking AI model prices, estimated serving margins, cost per task, usage mix, and compute spending.

An interactive, personal guide for timing three NYC Marathon cheering stops and meeting Jessica after the race.

An open-source app for configuring Loupedeck and Razer Stream Controller devices across desktop platforms.

LUMA publishes open NBA player impact ratings and projections, alongside model research and player pages.

Lumen is an open-source Android gallery for searching photos by description, selecting text in images, and grouping faces, with its smart features designed to run on-device.

An Italian-language, browser-based 3D atlas of musculoskeletal anatomy, with interactive models and notes for individual structures.

Orphan Solar Help helps California solar owners find licensed contractors who may service systems installed by another company or handle panel removal and reinstallation.

PaperLayer reads and creates PDFs whose printed dot patterns carry recoverable text, with document processing done in the browser.

A browser-based converter that opens legacy FileMaker databases and exports their tables to Excel or CSV.

Enter Chinese characters or sample phrases to see strict IPA pronunciations for Chengdu, Chongqing, and Wanxian varieties.

A monitoring tool for changes to the UK Home Office register of employers licensed to sponsor overseas workers.

A free, no-account finder that pairs your available time and mood with nearby parks, gardens, or viewpoints for a short outdoor break.

A Japanese-language dashboard tracks trends across entertainment, technology, food, sport, books, and other fields using social-following counts and Wikipedia pageviews.

A browser-based tool that turns a WiGLE-format CSV into an arcade replay with scores, badges, crew turf battles, share cards, and a short video.

A searchable directory of jobs robots can do, with providers, sourced price ranges, and free quote requests for buyers.

An interactive astronomy visualization lets visitors explore camera views of the Moon, Mars, Saturn, and other solar-system locations.

An Albania-focused travel guide for finding bus routes, fares, boarding points, departures, and places to visit.

A searchable, independent reference to how Instagram says it ranks and recommends content, with answers, topics, and a record of changes.

A commercial analytics product for small and rare-disease biotech teams, combining Veeva, distributor sales, specialty-pharmacy, patient-hub, and territory-goal data.

A free app listens to Qur’an recitation and displays the identified ayah alongside a published translation in one of five languages.

A free, no-sign-up band-name generator with 35 genre styles and checks for artist overlap, pronunciation, meaning, and name length.

A satirical tool that reads public Google Maps reviews for Austin apartments and grades them as straw, sticks, or brick.

BizGame lets people play through a week running an Indian small business, from a chai stall to a dairy farm, without investing real money.

A one-script embed lets small food pantries show returning donors what their gifts supported, using logged impact records and clearly labeled estimates.

A free, no-sign-up metronome for tempo ramps, inner-clock practice, mixed meters, accents, and more.

A Windows app in early access that uses iRacing telemetry and driver feedback to suggest setup changes and compare laps.

An interactive engine simulator models power and torque from crank-angle gas dynamics, with intake and exhaust tuning, turbo modeling, VE tables, and dyno comparison.

A free, open-source app for Tokyo Science University students that brings class schedules, assignments, grades, exam dates, and course materials together across devices.

A free browser-based workbench for importing measurement data, running statistical or signal analyses, fitting curves, plotting results, and exporting reports.

A Korean-language reflection tool maps estimated lifespan onto a day, then lets visitors explore remaining weeks, plan future time, and write a letter for a chosen future date.

Choose self-hosted apps from a catalogue and get a suggested server size plus a single install script.

A French-language companion for prayer times, nearby mosques, alerts, Qibla direction, sourced learning and a sisters’ discussion space, centered on WhatsApp.

A Windows file converter that opens format and editing options around a file as you drag it, with a live browser demo and offline desktop app.

A free browser-based word processor and PDF editor for documents, forms, and scanned pages, with offline use and private, local storage as stated features.

A free family-history experience that connects Czech-American families’ surnames and villages with local Christmas customs and a printable keepsake.

A free drug-safety reference for searching substances, checking mixing risks, and finding related statistics and resources.

A satirical comparison site pairs women’s and men’s products to show price differences, including unit-price comparisons.

An Android and Linux player that runs N-Gage-era games using their original compiled engines rather than remakes.

A free browser-based simulator for sketching a home floor plan, placing Wi-Fi routers and mesh nodes, and estimating coverage across 2.4, 5, and 6 GHz.

InfraRabbit tracks published list prices for VPS plans, GPUs, LLM tokens, inference hosts, and media models, with comparisons and price history.

A free, browser-based pair of tools for writing screenplays and designing film posters.

A PDF tool that helps reviewers redact sensitive information from documents and scans, then verify a saved copy.

An interactive guide to what everyday items in India cost in 2006, 2016 and 2026, with price and work-time comparisons.

A browser-based photo editor and GIF maker built around retro digital-camera filters, frames, backgrounds, and stickers.

A free, state-specific checker compares an estate’s assets with small-estate rules and identifies an affidavit, summary process, or full probate as the applicable path.

SmartCW is a USB-C device for amateur-radio operators that connects Morse-code paddles to radios, computer software, and a browser-based trainer.

An interactive sand-table exercise for commanding a 13-man Marine rifle squad through mission planning and execution.

Telltale presents coastal and inland wind, wave and anchorage information through model replays, methods and validation material.

A browser-based tool extracts stencil lines from a photo, with millimeter sizing and manual correction tools.

An interactive globe brings public camera feeds together with plate-reader locations, flights, fires, earthquakes, satellites, and weather layers.

A browser-based planner compares five tile patterns for a rectangular floor or wall, then estimates tiles, cuts, grout, and a printable shopping list.

A searchable Japanese reference catalog that helps identify UI motions by their appearance or sound, then supplies their standard names and AI instruction text.

A free browser-based reader for DRM-free ebooks, with adjustable scrolling, read-aloud, and accessibility controls.

A searchable comparison of reported factory extended-warranty prices, separated by plan and quote type.

A set of calculators for Japanese take-home pay, bonuses, annual and resident taxes, and furusato-nozei donation limits.

A browser-based tool that compares Excel or CSV files by a unique ID, showing added, removed, and changed records without relying on row order.

A customer-management service for hanbok rental and tailoring shops, covering consultations, measurements, orders, rental inventory, schedules, payments, and deposits.

A forthcoming service compares attorney invoices with fee agreements, rate notices, and published billing standards, then suggests questions to ask the billing department.

A tool for visitor centers, museums, and trails that converts photographed guest-book pages and QR check-ins into visitor counts and reports.

This unofficial tool scans a book’s barcode to check whether it appears on Tainan’s 布可星球 reading list and estimate the energy points a child can earn.

A free price-comparison site for Disney Lorcana cards and sealed products, with listings from 318 stores across six markets.

A free Mac and Windows app that checks Korean spelling as you type in other apps, with English checking available when enabled.

A public, source-linked tracker of GPU rental prices and Europe’s AI-compute build-out.

A collaborative map for finding and rating places to eat, drink coffee, and hang out in Palmira, Colombia.

A free, no-account tool for covering sensitive parts of images and exporting a PNG.

A browser-based set of QR tools for testing printed codes, generating label sheets, and making codes for specific uses such as Wi-Fi, contact cards, and payments.

A set of interactive clock, aquarium, tide, weather, and radar widgets designed for Corsair’s long, narrow XENEON EDGE display.

Acorn lets robotics builders configure and order custom XT30 and XT30(2+2) wire harnesses, with instant pricing.

A searchable archive of aggressive inline skates, with a Mondo fit finder, liner catalog, hunt list, and personal collection tools.

Bibliotaph catalogs tabletop RPG books, maps, and handouts from local folders and cloud storage, then searches their pages for the right reference.

A free browser-based suite for planning Minecraft circles, spheres, domes, cylinders, rings, spiral staircases and pixel art, with layer guides and block counts.

The site presents a résumé-matching tool that compares job-posting requirements with evidence in a résumé.

An English-language guide to hospitals in China, organized by condition, city, department, cost information, and cited rankings.

Ciel searches for Mac apps and arranges windows from a keyboard launcher.

A Spanish-language REBT configurator for installers that presents circuits, panel layouts, material lists, plans, and documentation for residential and commercial projects.

A Mac-based Final Cut Pro plugin for removing pauses and filler words, syncing cameras, cutting podcasts, and making animated captions.

A bike-by-bike reference to rider-reported car-tire fitments, with a size check, mounting guide, and gear links.

A desktop card-game editor for Mac and Windows that links a layered card design to spreadsheet data and exports print-ready PDFs.

A city-by-city directory of independent auto shops recommended for honesty and fair dealing, with linked sources and practical repair guides.

A free, open-source desktop app for selecting, cropping, annotating, and preparing photos for print entirely on your own computer.

This German-language tool reads a business analysis report (BWA) from a PDF or photo and presents key figures, prior-year comparisons, and a short written readout.

PhotoDesk presents free, no-login tools for passport and exam photos, document and PDF tasks, and screen, video, and voice recording.

A Zermatt visibility board scores Matterhorn views by viewpoint and time of day, with forecasts, cloud diagnostics, and links to mountain cameras.

A browser-based tool for homeschool families to organize high-school courses, calculate GPA and credits, and download a transcript PDF.

A Mac utility that turns counted taps on a MacBook’s palm rest or nearby desk into app-specific controls.

A macOS and Windows recording app in public beta, combining stereo board-mix and multitrack recording, playback, analysis, and marker-based exports.

A collection of workshop calculators and guides for machinists and model engineers, covering turning, threading, milling, drilling, fits, and CNC tasks.

Molenta presents a molecular workstation centered on its own 3D engine, with tools for building and inspecting molecules and preparing computational chemistry work.

A browser-based editor for assembling low-poly characters from adjustable parts and applying locally processed photo textures.

An interactive country-data explorer presents national indicators as 3D trees, with rankings, country comparisons, citations, and data downloads.

A browser-based CPAP companion that turns SD-card records into nightly timelines, plain-language observations, and a suggested next step.

An Android emulator for Tamagotchi Meets/On that runs with firmware supplied by the user and includes Mixing Meets and a customizable Tama Shelf.

A household readiness audit scores backup plans for payments, power and broadband, mobile networks, and account recovery, then points to practical next steps and regional field manuals.

A free browser-based 3D table-tennis game with computer, local and online matches, plus practice and club tools.

A road-trip weather tool that estimates rain along your route at the time you expect to reach each stretch.

SoftBlair presents an accessibility tool for reading screen content aloud, issuing voice commands, and captioning device audio, including in apps that lack accessibility support.

STRUGAB is downloadable software for sizing ribbed floor systems under Eurocode 2 or BAEL, with calculation notes, quantity estimates and execution plans.

A browser-based tool for aligning multicamera video and external audio in DaVinci Resolve, returning an AAF timeline with media linked.

A browser-based grave-log calculator and walkthrough for The Hollow’s third-floor Roblox puzzle.

A collection of seven free calculators for tire sizes, gear ratios, fuel costs, trip expenses, and MPG, accompanied by automotive guides.

A browser-based viewer for opening DWG and DXF drawings, measuring details, adding comments, comparing files, and printing to scale.

A paid tool for preparing weekly WH-347 certified-payroll reports, with saved crew details, hours import, and printable forms.

ADIMATE presents an ad-production tool that brings animation, asset management, artboards, and exports for HTML5, video, and static ads into one .adi project.

An open-source macOS app displays floating Markdown notes that connected AI agents can create and update through a CLI.

A calculator that estimates when agility competitors can walk their course and when their classes will start.

A search tool that looks for the shortest link path from an English Wikipedia article to Adolf Hitler, testing the site’s five-links-or-fewer theory.

A multilingual catalog helps readers find which fabric-flower books include instructions for particular flowers.

A suite of Albion Online market scanners and calculators for refining, crafting, trading, and guild logistics.

A directory of TVs, appliances, and basic phones checked for app requirements, sign-ins, monthly charges, and carrier compatibility.

A free shopping comparison tool for women’s and children’s clothes in the US, Brazil, and the UK.

A route planner estimates when you’ll pass through each checkpoint and matches those times to weather forecasts.

A small open-source collection of XRP Ledger tools, from a read-only balance checker to testnet escrow and time-lock features.

A setlist and stage-player tool for bands, with shared charts, player assignments, rehearsals, RSVPs, and a demo.

Choose a drawing, ride your home trainer, and export the resulting route for Strava, Garmin, or intervals.icu.

An iPhone and iPad app compares recent weather at a US station with that station’s historical records.

A church projection tool that listens for Bible references or quotations and presents a matching verse for an operator to preview and display.

A free, ad-free fan catalog for searching Pokémon cards, scanning them with a camera, saving a collection, and recording trade totals.

BlindCount is a prototype inspection workflow that hides a pass threshold until a cohort’s submissions are sealed, then lets others verify the resulting report.

A public tracker displays U.S.-bound wait times at land crossings from Mexico and Canada, broken out by crossing and travel lane.

Brolly turns a spare tablet into a shared hallway display for the weather, nearby bike docks, and household Google Calendar events.

A free market-data site lists USDA-reported cattle auction prices by state and barn, with weight brackets, trend comparisons, and seasonal context.

A calculator estimates how long a liquid-cooled rack can tolerate a CDU pump trip and how quickly its standby pump must start.

A price-comparison site for searching grocery products by name, brand, or barcode and exploring deals, chains, and a shopping basket.

A free sports schedule that shows TV and streaming options, team-specific games, and blackout status by ZIP code.

Step-by-step troubleshooting guides and calculators for travel-trailer systems, from batteries and furnaces to towing weights and winterizing.

Model-specific guides and Mac or Windows files help switch off ads and tracking apps on Android TV and Google TV sets.

A free browser-based tool for calculating Bazi charts, with controls for birth time, timezone, longitude, and solar-time settings.

A reference for the Roblox game Clover RPG, pairing magic and race stats with a calculator for estimating rerolls and in-game Essence costs.

A voice-documentation tool for Swiss dental practices that structures spoken findings into a tooth chart and a draft entry for ZaWin.

Clip Fit presents a video compressor that targets Discord upload sizes and returns MP4 files intended to play inline in chat.

A browser-based tool that explains cron expressions, shows upcoming run times, and converts schedules among crontab, GitHub Actions, Kubernetes, AWS EventBridge, Spring, and Quartz.

A free, open-source day planner for solo businesses that combines tasks, calendar views and reminders with AI-agent access on a server you run yourself.

A UK clinician sells printable chairside cards covering 24 cementation protocols, with a cement-selection tool and brand-by-brand steps.

A prospecting map app combines provincial gold records, current mining claims, and other field-planning layers for British Columbia.

An open-source Zcash wallet for turning a recipient list into shielded batch payments, with CSV import, fee previews, and optional output padding.

An event tool lets guests scan a QR code, send a photo or clip, and see it on a venue screen with their name, typically within 17 seconds.

A Windows ECU calibration editor for tuners to edit maps, compare original and modified files, and review power estimates.

A Medicare revalidation tool for DME suppliers and billing teams that compares a roster of NPIs with CMS’s monthly file.

A Chrome extension for live meeting transcription, highlights, notes, and AI-generated minutes across Meet, Teams, Zoom, and Slack.

A Mac app for placing Google Drive and Dropbox files in Finder as zero-byte placeholders that fetch content when opened.

A comparison tool for filtering ready-to-run hobby-grade RC cars by a child’s age, budget, driving surface, and preferences.

A beginner-focused project finder that filters free woodworking plans and videos by the tools available to you.

A browser-based tool for compressing files to a chosen size or a listed service’s upload limit.

A free calculator compares the costs of keeping a fleet vehicle with replacing it, including repairs, fuel, insurance, and downtime.

A forensic research tool that guides users through designing DNA transfer, persistence, prevalence, and recovery studies, then drafts study materials.

A free browser-based editor for opening and editing Microsoft Publisher files, with PDF export.

A peer-to-peer messaging app presented as working across unstable connections and nearby-device networks, with versions for iOS, macOS, and Android.

A New England-first index of broker-listed businesses for sale, with deal calculators and an API for buyers, sellers, brokers, and agents.

A Shopify app that says it scans storefronts, fixes accessibility issues in the theme and catalog, and checks again as the store changes.

A Windows tool that compares a speaker’s lip movement with speech, reports audio delay and drift, and can retime the audio.

Tray is a macOS utility for holding files in a corner of the screen, previewing them, grouping them, and dragging them into other windows.

A $50-per-month booking and record-keeping tool for church-run medical guest homes, with room scheduling, guest requests, and a separate donation log.

Halaqa is an iPhone app for reading the Quran together in small groups, one passage at a time.

An in-browser tool for making hand-drawn whiteboard videos, with support for Arabic, French, and English.

A rate checker for owner-operators and drayage carriers that estimates whether a load offer covers their costs.

The service lets a helper send step-by-step instructions to a relative’s browser while seeing where they get stuck.

An operations app for home cooks and tiffin services to manage menus, daily orders, delivery rounds, customer dues, and more.

Hyss Audio offers a free browser synth for hazy pads, detuned keys, and other worn-in sounds.

A planning workspace for Nigerian weddings that connects budgets, tasks, household invitations, RSVPs, check-in and a wedding website.

The site says its checker compares itemized tow and impound charges with published limits for the relevant state and tells drivers what to do next.

Intact Valves is a preview of a record system for valve workshops, tracking each valve through intake, testing, repair, review, and certificate issue.

A free calculator estimates what an Etsy seller keeps after order fees, with country-specific rates and options for shipping, gift wrap, and Offsite Ads.

Compare historical wind conditions by month across 37 kiteboarding destinations.

A searchable reference to Korean lifting-device models, applicators, and selected regulatory source documents.

A free, no-signup calculator estimates take-home pay in Morocco using 2026 rules, with a separate scenario comparing proposed tax changes through 2031.

An interactive map and forecast desk showing risk levels by Cuban province for today and the next two days, across hazards including heat, rain, wind, sea conditions, fog, storms, and cyclones.

A free-during-launch alert service lets big-game hunters choose states and species and get notified when leftover, returned, or reissued tags become available.

A Madeira hiking directory pairs trail guides with reported route status, access fees, and trailhead logistics.

Maireya presents a sensor, app, and fermentation AI system for monitoring brewery tanks.

A German/English calculator suite for event technicians, covering projection setup, electrical calculations, signal bandwidth and other show-technology tasks.

A free browser tool for measuring floor plans, PDFs, and map locations in real-world units.

Meet Lupe presents a voice-and-text office manager for house-cleaning businesses, covering scheduling, customer records, invoices and payment follow-up.

moducut is Turkish-language Windows software for designing furniture and turning drawings into cut lists, sheet layouts, CNC code, and part labels.

An Android mapping app for using georeferenced maps offline, recording GPS data, and exporting fieldwork to GIS formats.

Lease Radar helps IU Bloomington students compare off-campus rentals by estimated walk to a chosen campus landmark and rent per bedroom.

This free, open-source Mac utility checks screenshots for sensitive details and places a redacted copy on your clipboard.

A bilingual customer-paging service lets businesses notify customers that orders are ready through QR-based phone alerts, without dedicated pager devices.

Nav for Truck presents a free iPhone and Android navigation app that says it converts oversize/overweight permits into truck-specific, turn-by-turn routes.

The site presents a free phone app that reads an oversize or overweight permit and provides truck-aware, turn-by-turn guidance on the approved roads.

A China trip-planning site combining visa and travel checklists with a city-by-city index of common obstacles for foreign visitors.

A Chrome extension for bulk-deleting X bookmarks, likes, posts, and reposts, with backups, previews, and paced deletion.

A Mac app for making narrated product demos from a website walkthrough, screen recording, or existing video.

An open-source browser-based editor for drawing and animating pixel mascots, then embedding them on a website.

A searchable catalog of skincare sold in India pairs product ingredient lists with plain-language explanations and skin-concern flags.

A field-sales tool that maps EPA discharge-permit records so industrial water vendors can find plants with compliance issues, identify contacts, and plan visits.

Enter your birthday to see which of 3,000 famous people died younger than you are now, and who you may outlive next.

A comparison index and fit checker for 27 outdoor and countertop pizza ovens, organized by fuel, dimensions, and maker-stated capacity.

OverlookWM is a $9 Windows 11 utility that spreads open windows across a larger desktop and lets you return to them by position.

A free Mac and Windows music player that presents local music files in a cassette-themed interface.

A Chinese-language editor for making text-and-image collages in formats including posters, postcards, book spreads, and ticket stubs.

A Spanish transport tool for creating QR-linked electronic control documents, sharing them with drivers, and recording delivery signatures.