Useful Tools

A free web app uses an ESP32-C5 board to scan 2.4 and 5 GHz radio traffic and display spectrum views and decoded public broadcasts.

A searchable guide to adverse-event reports the FDA received for medicines and medical devices, with prominent cautions about what those reports can and cannot establish.

A browser-based tracker for families recording children's dietary fat and fiber, medicines, symptoms, and clinic visits.

A free siddur app for web and desktop that adjusts daily prayers to the Hebrew calendar, with Jewish calendar tools, prayer texts, and Torah learning.

A free calculator and resource hub for exploring federal sentence timelines and possible FSA time credits.

A 52-stroller comparison catalog sorts models by folded dimensions, lift weight, car-seat fit, and other practical specs.

A public lookup and reference site for FDA adverse-event reports on animal drugs, searchable by brand name or active ingredient.

WoW Reputations offers version-specific faction pages and calculators that estimate the gains remaining to reach Exalted.

Place Dossier assembles public-record information about a British Columbia property into a parcel map and buyer-facing dossier.

Voydar maps live ship positions and offers vessel and port profiles, maritime browsing tools, data feeds, and an API.

An ear-training tool for distinguishing bachata’s derecho, majao, and mambo rhythms.

A free-search directory of licensed commissary and shared kitchens, paired with local health rules and state cottage-food guides.

A $4.99 firmware replacement for the Xteink X3 adds a configurable home screen, reading tools, everyday utilities and an on-device app store.

A desktop app for quickly reviewing and marking RAW photo shoots, with keyboard controls and optional focus and eye alerts.

A staged retrofit service for existing mechanical power presses, beginning with monitoring and potentially adding safety equipment and automated loading.

A 39-model comparison catalog for automatic litter boxes, with filters for safety, mechanism, litter, price, and running costs.

A browser-based game where you plan transit networks for real US metros using census tracts and observed commute flows.

A browser-based character-drawing resource combines a rotatable 3D anatomy model, illustrated lessons, pose references, and a drawing-and-compare workspace.

A Korean dashboard tracks steelmakers’ scrap purchase prices, market signals, and a truck-load price-difference calculator.

A free search tool that maps a supplier’s plain-language description to official procurement codes and searches public tender portals.

A motorsport telemetry analyzer that reads MoTeC, AiM, and iRacing files and compares laps to locate time loss by corner.

A browser-based PRD checker surfaces unresolved assumptions, their downstream business impact, and who should answer for them.

Catch turns photographed shopping lists into aisle-sorted lists, offers barcode-based food grades, and tracks purchases in a pantry that fades over time.

An Arabic-, Kurdish-, and English-language cashier, inventory, and accounting system for shops in Iraq, designed to keep sales moving when the internet drops.

A property-document tool that extracts condition findings, stated costs, and unanswered questions from building reports and related files.

A free, unofficial route planner for Dubai Metro, Tram and Palm Monorail trips, with directions, estimated travel times and Nol fares.

A searchable map atlas for Arma Reforger terrains, with tools for finding places, marking routes, and sharing map links.

GibTalk is an AAC app for Android and Apple devices that lets people tap picture tiles to speak words aloud.

A browser-based audio visualizer that makes vertical videos for Instagram Reels, with loudness and other measurements available in its paid version.

A set of free UK-focused crochet tools turns pattern quantities into whole-ball shopping lists, accounting for stash and delivery.

Karkhana presents an ERP for Indian workshops, tracing materials from purchase and weighing through production, costing, and GST invoicing.

A Windows app for parametric laser-cut designs, with calculated joints, 3D assembly previews, and a basic browser trial.

A browser-based editor for drawing, testing, and exporting custom circuits for Assetto Corsa and BeamNG.drive.

Parents can record, upload, or type a child’s idea and turn it into a storybook or a simple game.

A browser-based calculator converts common analog signals into engineering values and produces a five-point reference for controls technicians.

Goblin is a free Mac app presented as a menu-bar monitor for system performance, disk space, network activity, and more.

A nurse-built tool guides people through creating a health-insurance appeal letter, with a deadline and attachment checklist.

WEFT forecasts five-minute electricity prices and price-spike probabilities across Australia’s National Electricity Market, with a historical atlas and technical research.

PaperPorter lets people answer permit-form questions through an AI assistant or browser, then download a filled copy of the issuing agency’s PDF.

Patemo is an in-development mobile app that analyzes your own match video, organizes rallies, and groups labeled points into patterns you can inspect.

A Mac utility that moves the menu bar above the active app window and lets it follow across displays.

A browser app for pixel-art scenes of five Thai locations, designed to follow local time, weather, and air quality.

Platrax is a browser-based tool for sketching traffic management plans, vehicle paths and site layouts over aerial imagery.

Play Darbuka presents 20 darbuka rhythms with notation, audio, adjustable tempo, and lessons for practice.

A free set of browser-based tools for finding listed smoking areas in Yongsan, editing PDFs, combining spreadsheets, and calculating saju.

An open-source modding hub with guides and history for skate games, plus a Skate 3 map library and cross-platform conversion.

SpeakTender describes a browser-based assistant that calls offices, speaks for the user, and lets them follow along and answer by tapping or typing.

Stab presents a guitar-tab sequencer for composing, transcribing, and playing back parts alongside recordings.

strokit animates SVG logos and loaders, then exports the result as CSS, typed React, Motion, or transparent WebM.

TallyRest presents a ledger and follow-up workflow for independent funeral homes tracking insurance assignments, family balances, and paperwork.

A PLC ladder-logic simulator project with a browser demo and a planned phone app, offering practice circuits, troubleshooting exercises, guided labs, and signal scaling.

Free browser-based tools add AI-training opt-out metadata to files, generate website directives, and link to 37 platform opt-out guides.

Nostra presents point-of-sale, inventory, purchasing, and accounting software for retailers, wholesalers, and pharmacies, with sales designed to continue offline.

An independent planted-aquarium reference combining 28 catalogued tools, three calculators, a tank database, and four interactive 3D simulators.

A free calculator for Hebrew-calendar yahrzeit dates, with calendar reminders and a printable card.

A browser-based toolkit for Chinese astrology charts, I Ching readings, and photo-based palm and face observations, with calculation notes and personal records.

A Spanish-language augmentative and alternative communication app that combines pictograms, voice input, adaptable boards, and offline use after setup.

A browser-based planner arranges recital routines around dancers’ costume-change gaps, then produces backstage and audience sheets.

A Korean-language collection of salary and tax calculators, document generators, and regional family-benefit guides, offered without sign-up.

Free state-specific quiz and deadline-estimate tools lead into a $29 packet that drafts lemon-law documents for do-it-yourself filers.

A free Mac app and browser experience turn open map and elevation data into an explorable 3D Earth.

An open Formula 1 archive pairs historical results and records with session pages, driver comparisons, a data explorer, and quizzes.

A Florida-focused service monitors contractors’ licensing, workers’ comp, safety, and financial-distress records, with alerts for changes.

UdiWatch presents a monitoring service for public EUDAMED device and manufacturer records, with change alerts by email or webhook.

A home-backup-power reference that calculates appliance loads and runtime, then compares power stations, generators, transfer switches, and solar equipment.

A Windows program for agents using Hanbang (K-REN), designed to gather property records and fill contract and explanation forms.

A free set of calculators for planting schedules, crop spacing, soil and mulch quantities, and fence materials, with imperial and metric units.

An iPhone and iPad app scores candlepin games ball by ball, saves scorecards, and lets bowlers share alley-branded results.

A Mac app turns a website URL into a smooth scrolling video, with device frames, 4K stills, and transparent clips.

A courtside app helps pickup basketball organizers check players in, form teams, track winners, and manage who plays next.

A browser-based tool helps independent sewing-pattern designers turn an SVG base-size drawing into layered, print-ready PDFs for every size.

A ranked guide to 100 sought-after restaurants, with table-release schedules shown in the reader’s time zone.

Headed In describes a boating app that shares a live trip map with family and sends overdue texts with the boater’s last known position.

A prototype for veterinary blood banks links donor records, screening, test results, collection, and blood-bag inventory.

This Chinese-language site reorganizes an open-source collection of practical life advice into guides for five age and life stages, with situation-based checklists and self-assessment tools.

A free set of Colombian payroll tools for checking work hours, overtime, benefits, payslips, and independent-worker contributions.

A searchable database connects marching bands and productions with competitions, results, repertoire, staff, and history.

A calendar and name-day lookup for Orthodox observances, with Old and New calendar views and a companion phone app.

A desktop tool for patent practitioners that reads Patent Center file-history PDFs and lays out Office actions, claims, rejections, objections, and requirements.

Piku Print Club presents an interactive preview of a children’s camera app for iPhone and iPad, with photos, videos, effects, stickers and drawing.

A pool and hot-tub tool that converts water readings into ordered chemical doses, stores test history, and offers reminders.

A searchable catalog compares 52 robotic pool cleaners by pool fit, filtration, price, and retrieval details.

A bakery planning system that turns Toast sales history, weather, and local events into a daily production sheet for email and kitchen tablets.

An Android-and-web ledger for personal wallets and shop sales, with M-Pesa and bank-message imports, budgets, inventory, and offline recording.

A rota tool for volunteer response teams to schedule shifts, track coverage, and request replacements.

A beta, self-hosted backup product for Microsoft 365, IMAP mailboxes, and Linux and macOS systems, with a weekly restore-path verification workflow.

A free, no-sign-up set of browser tools helps identify rocks, check mineral hardness, and assess whether a find might be a meteorite.

An interactive guide to the Comrades Marathon down run, with mile- or kilometer-based course exploration and finish-time pacing plans.

An interactive browser tool lets you compare human vision with the vision of animals, using your own photo or built-in examples.

A Windows program that converts logos, drawings, and text into embroidery-machine formats, with stitch settings for home and industrial machines.

A 3×3×3 practice trainer pairs a CFOP case library with targeted drills, phase timing and progress tracking.

A browser-based form for scoring ABEMID or NEAD home-care assessments and generating a PDF.

A self-hosted catalogue identifies music releases in your library and proposes careful, reversible tag corrections.

Toll presents an iPhone app blocker that asks you to answer three questions from a chosen flashcard deck before opening selected apps.

A seating and door check-in tool for event agencies in the Maldives, built around venue floor plans, imported guest lists, and usher tablets.

A browser-based Go board lets visitors play against the computer, with lessons covering rules, tactics, scoring, and Go in Vietnam.

A searchable directory of cafés in Washington, DC and Arlington, with details for planning a work session.

An open research index that tracks activity in selected AI news sources, while distinguishing news volume from AI progress or personal anxiety.

A web app for people coordinating personal-assistance teams to collect availability, draft and publish schedules, approve shift swaps, and export monthly hours.

An iPhone app that explains parents’ administrative letters, identifies actions and deadlines, and helps siblings track who is handling each one.

A browser-based chart maker that accepts pasted or uploaded data and exports charts as PNG or SVG, without an account or watermark.

BakerBacker presents a browser-based tool for cottage bakers selling at farmers markets, covering pricing, pre-orders, labels, stall operations and social posts.

A preview of an iPhone alarm app where feeding a pixel-art cat ends the alarm, rather than merely silencing one ring.

A parent-controlled bedtime audio tool for choosing sounds, stories, or family recordings and reusing a bedtime setup.

A Chrome extension for learning from shows, with dual subtitles, clickable word lookups, and sentence replay.

Blackstart Power presents a morning intelligence service that compares project queues from Ontario’s IESO, Alberta’s AESO and Texas’s ERCOT for businesses building, supplying or financing power projects.

A spoiler-shielded sports replay picker points viewers to classic matches on official YouTube channels without revealing the result first.

A $29/month recordkeeping tool for small U.S. freight brokerages, turning manually entered carrier checks and attached documents into timestamped per-load files and date-range exports.

A collection of pool, hot-tub and aquarium calculators for estimating water volume, chemical doses, equipment sizes and costs.

A collection of 54 visual calculators for tasks ranging from aquarium setup and off-grid power to surf sizing and economics.

A free online generator for turning text into styled calligraphy and exporting it as PNG, JPG, or SVG.

A free Windows and Mac app for cam models using OBS that says it identifies where a stream failed and suggests what to try next.

Quoting software for tile and bathroom retailers that calculates materials, checks branch stock, and sends branded quotes to customers over WhatsApp.

A free guide tracks vintage Griswold and Wagner skillet values using completed eBay sales, broken down by size and logo.

A CBAM reporting tool for Turkish manufacturers that calculates product-level embedded emissions from facility and invoice data, then prepares verification files and buyer summaries.

ChopperRadar says it maps police, news, fire, and military helicopters over Los Angeles, with activity banners and optional phone alerts.

A suite of Clash of Clans trackers, calculators, lookups, and planning tools built around a player’s village data.

A menu-bar utility designed to keep a Mac awake with its lid closed while long coding-agent runs finish.

A browser-based tool for Ontario elementary teachers to draft class report-card comments using student names, pronouns, and learning-skill or subject levels.

A browser-based invoice builder for contractors that exports PDF or CSV invoices without requiring an account.

A free-for-officers job database lists police, sheriff, and state trooper openings across the United States, with published pay, hiring bonuses, and lateral rules.

A Mac app for running event slides, speaker notes, sponsor images, music, and video across room displays.

CueFlip is an iPad and iPhone app that follows a musician playing a score and turns its PDF pages at the marked moments.

CueMotion is a Mac app for turning a written brief into a storyboarded, editable motion-graphics video set to music.

A free contraction timer by Asturias midwife Tania Casamitjana that charts timing and intensity, then alerts when a pattern matches its guidance.

CueStudio is macOS show-control software that brings audio, video, lighting, MIDI, timecode, and network cues into one cue list.

An Android training app pairs body-worn motion sensors with live audio cues and post-throw analysis.

A browser-based tool for saving meaningful listening passages with personal notes and a path back to their source.

A free, open-source Mac assistant presented as handling text requests by placing calls, sending messages, and managing browser tasks.

DINE presents itself as a Mac DAW that builds mixes for live streams and recordings, with tools for adjusting and monitoring audio during a show.

A companion site to Murray Cantor’s book, with working models for valuing projects when delivery dates are flexible or fixed.

An open information site bringing together Venezuelan tax references, official exchange-rate history, price comparison, and practical tools.

A free tool that checks a domain’s SPF, DKIM, and DMARC records, then tests whether a real message passes authentication checks.

A browser-based diagramming tool for flowcharts, process maps, mind maps, and related visuals, with a hand-drawn style.

Errator is a free Windows app for building fictional settings with maps, wiki pages, family trees, timelines, and printable books.

Filter Ledger presents a small, source-linked dataset for checking replacement-filter fit, manufacturer claims, and estimated refill costs.

Enter a date to find the Weekly Shōnen Jump issue released closest to your birthday, with its cover, series, and chapters.

A web and mobile management system for volunteer fire departments, covering attendance, alarms, shifts, training, personnel records, and monthly scores.

A searchable directory of Florida pool and spa contractors, organized by county and city, with licence and discipline details.

FontBadlo converts text between Kruti Dev or DevLys and Unicode Hindi in the browser, with no sign-up.

A free framing calculator handles feet, inches and fractions, alongside calculators for common roof, deck, stair and materials jobs.

A market tracker compares estimated first-year revenue and launch performance across indie game genres and niches, alongside upcoming releases.

A free Spanish-language checker reads an uploaded energy bill and identifies whether its gas tariff is regulated (TUR) or from the free market; it also checks electricity tariffs.

A free, open-source tool syncs video playback for a small group and adds a voice call while everyone watches through their own account.

A pre-launch USB-C controller for iPhone music, with a companion app offering vehicle gauges, navigation, and performance timing.

The site presents an AI tool that scores cheer videos against named competition sheets, with timestamped deductions and coaching prompts.

A free, open-source phonetic Bengali input method for Apple Silicon Macs, with an in-browser typing preview.

A birth-planning service lets a planner prepare individual SMS messages for up to ten helpers, then send them when labor starts.

A monitoring service for government and agency pages, with word-level before-and-after diffs, confirmation checks, and timestamped snapshots.

An early-access PowerPoint add-in that says it can turn notes, emails, and spreadsheets into editable project timelines and other program diagrams.

Spinely presents a shelf-scanning app that identifies books, films, music, and games from a photo, then lists the spines with details and estimated values.

GuardRound describes a browser-based guard-tour system that captures check-ins, incident reports and photos offline, then syncs them when a connection returns.

A practical embroidery and cross-stitch reference with fabric-size calculations, charts, gear guides, and troubleshooting.

HowLoud turns a phone or laptop microphone into a browser-based decibel meter, with live readings, A- or Z-weighting, session statistics and a 60-second chart.

A point-by-point hunting draw-odds tool covering Utah, Colorado, Wyoming and Arizona.

A browser-based pedigree tool for rabbits, cavies and cats, with printable pedigrees and a saved-herd option.

An independent Charlotte I-77 guide maps express-lane access and toll zones, with rate references, commute calculators, and a transponder guide.

A free browser tool for opening IFC building models and exploring their 3D geometry, structure, and embedded data.

Iris presents a canvas for tracing Solana wallets, labeling counterparties, and reviewing behavior-based risk signals.

A browser-based live captioning and translation service for church services, conferences, and seminars, with captions sent to audience phones and presentation screens.

The site answers everyday tool-finding questions with a yes, partly, or not really, then points to options and their costs.

KarterDB gathers kart racers, event results, rankings, and broadcast moments in a searchable database.

KathaCut is a free desktop editor for transcribing speech, styling animated captions, and editing video on a timeline, with a workflow for sending captions to DaVinci Resolve.

KeyBench lets you filter, compare, and get recommendations for mechanical and other gaming keyboards.

CHOIL offers collectors a place to catalog knives and other EDC gear, track estimated values, and compare auction listings with completed-sale data.

A searchable index of water levels, fullness, and recent changes for more than a thousand U.S. lakes and reservoirs.

A parody generator for editable crypto PnL cards, calendars, and video exports, with trade claims checked against candle data.

A browser-based label maker that turns pasted spreadsheet rows or CSV and Excel files into exact-size PDFs for Avery-compatible sheets.

Local Hire Manifest describes a system for tracking local crew hiring alongside film production activity and incentive spending.

A free web app for raid leaders that analyzes public Warcraft Logs reports to show mechanic failures, deaths, interrupts, and other raid details by player and pull.

This free tool turns an iPhone screen recording of a scroll into one tall image, including content from apps that do not offer a scrolling screenshot.

A movable, click-through frame reads the screen beneath it and displays live colour and exposure scopes while you edit.

A free, open-source Windows overlay for iRacing, with configurable telemetry widgets for racing data across your screens.

A garden planner and season journal that turns nearby weather-station records into crop-specific frost and sowing guidance.

MeetsSpec compares electrical and HVAC product data with a construction-spec section, returning requirement-by-requirement compliance verdicts and page references.

MilkyWayCheck estimates whether the Milky Way’s galactic core will be visible at a chosen location, combining cloud cover, moonlight, sky darkness, and timing.

A forthcoming Spanish-language iPhone app is designed to let a family member record blood pressure while relatives follow readings from their own phones.

ModLaunch presents a free Windows launcher that finds games, installs mod loaders and dependencies, and gathers mods from several catalogs.

An interactive simulator for designing boats, harbor layouts, and mooring lines, then testing setups under wind conditions.

A botanical catalog for collectors to record plants, propagation, photos, and collection history.

A prelaunch moving-inventory tool for documenting items, condition, photos, and customer signatures in a PDF for each move.

A macOS menu-bar utility that reads selected text aloud using a speech model bundled with the app.

A tea reference site bringing together city guides to tea rooms and shops, brand profiles, steeping guides, and cost calculators.

A satellite-pass predictor for choosing a spacecraft and location, then viewing its rise, peak, set, visibility, and path.

A free, open-source Windows plugin that puts Apple Music playback, album art, track controls, and per-app volume on an Elgato Stream Deck.

English-language Israeli salary, payslip and purchase-tax calculators for people living in or moving to Israel.

A beta toolkit for youth soccer coaches pairs animated play diagrams with English–Spanish coaching phrases and team-management tools.

A calculator for comparing Okinawa gas prices on base and off base, with yen-to-dollar conversion and optional purchase logging.

Onvanto maps calibration-lab trips against field jobs so teams can spot instrument conflicts before work is affected.

A browser-based scoreboard for padel matches that sends live scores to OBS and other streaming software.

A free tool for splitting PDFs by page range, interval, odd/even pages, or visual page selection, with processing handled in your browser.

PaperFoldRPG turns browser-drawn pixel art into printable papercraft pieces for tabletop games.

A desktop PDF editor for editing, signing, redacting, OCR, and document handling without uploading files to a server.

Paraline presents a tool for turning sketches, plans, PDFs, and 3D models into editable axonometric diagrams.

Pencora is a free iPad notebook that combines handwriting with typed text rendered in a user’s handwriting, handwriting search, graphs, geometry, and PDF import.

PestRoute describes an offline-first app for pest-control firms to manage route days, service records, chemical stock, and customer links.

Upload a Bambu Studio 3MF project to get per-plate setting changes and explanations aimed at preventing common print problems.

A free planner for arranging boxes inside IKEA BESTÅ, BILLY, and IVAR shelving—or shelves with custom dimensions.

A free browser-based set of eight printer test sheets for diagnosing issues such as missing ink, misalignment, banding, and low-resolution output.

A free set of browser-based tools for editing PowerPoint decks, including classroom quiz-making, slide cleanup, compression, and repair.

A tool for woodworking and interior-fitout shops to compare supplier price lists, spot packaging changes, and estimate their cost impact.

A browser-based QR code maker lets you customize a code and test how it holds up when small, blurred, or gray.