Useful Tools

PAWHAVEN lets people make a drawn pet character and visit it in a private, interactive garden with a memory album.

A weekly, plain-language tracker of retinitis pigmentosa trials, treatments, research papers, and related news for patients and families.

Switcher Hero is an upcoming free Mac app for controlling Blackmagic ATEM video switchers with a toy guitar controller.

An interactive 3D globe brings together flights, satellites, ships, earthquakes, fires, storms, and public road cameras.

A free room-and-furniture planner for checking layouts, clearances, and selected appliance or curtain measurements.

A free, open-source Windows tool for learning Japanese while playing visual novels, with in-game readings, translations, lookups, and Anki review.

A free-to-create 3D character maker with exports for images, models, websites, and desktop companions.

RoadTwin lets simulator users choose two points up to 10 km apart and order a drivable road built from public LiDAR, aerial imagery, and map data.

A free browser-based converter traces PNG, JPG, and WebP images into SVG paths, with controls for colors, background removal, and edge smoothing.

Safar checks whether a U.S. driving route meets the 61.36-mile one-way threshold used in the preferred Hanafi view of when someone is a traveler.

A biomedical engineer’s portfolio of browser-based tools for clinical documentation, cardiac ablation coding, and denial triage.

A patient-facing anatomy guide pairs an interactive 3D body with plain-language condition explainers and printable questions for doctor visits.

A browser-based tool for laying out an off-grid solar system and producing a parts list with wiring, safety checks, and component prices.

Supply Room lets you turn images and video into halftone, dithered, pixel-art, ASCII, and other stylized outputs in your browser.

A free navigation app for Malaysian roads, with exit, lane, toll and landmark guidance in English and Bahasa Melayu.

An interactive orrery plots the eight planets for dates from 1800 to 2050, alongside distances, light-travel times, elongations, and observing guidance.

A food-and-gut diary for logging meals, symptoms and bowel habits, with claimed trigger-pattern summaries and a printable report for a GP.

An interactive, multilingual tracker shows daylight duration by location and explains solstices, equinoxes, and seasonal change.

An interactive registry maps named US AI data-center projects by location, operator, capacity, and development stage.

Standing presents an audit tool for checking paid AI results against a buyer’s records and the vendor’s own billing rules.

A calculator for estimating whether an open language model can meet memory, speed, and first-token targets on selected hardware.

A free English-and-Spanish tool helps Chicago families build a GoCPS kindergarten Choice list and view estimated offer chances.

A free trip planner and set of sourced guides for foreign visitors arranging a trip to China.

A map tool that finds a cooler walking route between two points using satellite-derived land-surface temperatures.

Faye Calloway sells a large-print guide and fill-in family file designed to help people record end-of-life wishes and practical information for their families.

An interactive pixel-art map of Luhačovice and Pozlovice, with searchable places, changing seasons, time of day, and weather.

An iPhone app asks what the weather was like in your past, then compares your recollections with historical records for a town you choose.

A mapping platform for identifying and tracking artisanal gold-mining areas in Côte d’Ivoire using satellite imagery and geospatial analysis.

A collection of 74 free PDF tools, presented as browser-based utilities plus a local MCP server, REST API, and Python library.

A field guide to free and one-time alternatives to subscription apps, with a calculator for estimating yearly savings.

A free, open-source Mac app for drafting novels as reorderable scenes, with comments, snapshots, manuscript export, and local backups.

An interactive simulator for testing shed-delivery routes through gates, alleys, and backyard obstacles.

A step-by-step unlock guide for The Binding of Isaac: Repentance, tailored to what you’ve already completed.

A free browser-based toolkit for PC power-supply sizing, GPU and CPU power references, electricity costs, UPS runtime, and portable power stations.

Windows software for designing and checking ASME VIII-1 pressure vessels, from shells and heads to nozzles, flanges, tubesheets, and supports.

A searchable worldwide register of civilian armoured vehicles for sale, with seller claims separated from vehicles established through A24’s verification process.

A free browser viewer for Estonian and neighboring Baltic e-signature containers, with document previews, signer details, integrity checks, and file extraction.

A public, community-reported tracker of how long mortgage assumptions take, with timelines grouped by loan servicer and loan type.

A yard-planning tool for filtering 58 trees by climate, mature size, light, growth rate, and upkeep.

Brotpan is an iPhone app that maps the word for bread across 43 languages, grouping words that sound alike and marking where they change.

A Spanish-language educational site with interactive pattern explorations for Ifá, Sikidy, Hakata, and other divination traditions, framed as simulations rather than ritual readings.

Butler Steve describes a family household tool for tracking food, shopping, chores, meals, car maintenance, and paperwork.

Carvewick offers browser-based studios for designing lamps, photo lithophanes, and shadow boxes, with free STL downloads for 3D printing.

A searchable film-data tool for exploring reported profanity counts, comparing movies, and downloading the corpus.

A searchable Australian tracker of National Construction Code editions, adoption dates and technical changes, with links to official sources.

A browser-based tool for compressing, resizing, and watermarking images, with an option to embed an AI-training opt-out.

A free English-language toolkit for foreigners in Italy to map residency dates, estimate tax, and plan F24 payments.

A public reference for looking up medicine names and comparing how a candidate product is named in different countries.

A free, open-source desktop app for practising English pronunciation, with feedback on individual sounds, words and intonation.

Searches schematics, boardviews, and BIOS or firmware files by board number, model, or brand.

A native macOS app for running coding agents side by side in real terminals and seeing which sessions need attention.

Bookkeeping and breeding records for reptile breeders, including sales, expenses, pairings, animals on hand, and profit by clutch or animal.

An interactive, four-sided isometric map of Burlington, South Burlington, and Winooski, with search, weather, sunset, buses, and aircraft.

A Korean-language guide maps Japanese music-video locations, artist hometowns and venues, with travel routes and visitor guidance.

A free, no-signup tool that compares door-to-door travel times to suggest meeting places for groups.

A free Japanese-language set of tools for testing furniture layouts, moving clearances, and room plans in a floor plan.

A phone-based tool for worship groups to organize Sunday song sets, transpose chords, and tune guitars, including offline.

A multilingual guide to where autumn leaves are peaking across 27 Japanese destinations, using status updates attributed to official sources.

A free reference library of standard-part CAD files, dimension tables, and mechanical engineering charts.

Two Windows apps let people browse museum works offline, save selections, and arrange them into exhibitions they can share or print.

A free, searchable index comparing lot rents and ownership details across 55+ mobile-home communities.

A small catalog of paid Windows mods that add local split-screen co-op to PEAK, Over the Hill, and RV There Yet?

An open-source meeting notepad transcribes and writes up meetings using speech-to-text and language models you run yourself.

A filing research tool that compares company disclosures and surfaces changes such as new risk factors, auditor changes, and late-filing notices.

An interactive isometric pixel-art map for exploring Pyongyang’s streets, landmarks and districts.

A browser-based tool scans screenshots or photos of Warframe inventory pages and estimates item values using warframe.market orders.

A Japanese fishing-planning site ranks coastal spots by estimated catch potential, with filters for area, fish, method, and time of day.

TurnOut says it brings CAD, staffing, mapping, traffic, weather and other incident data into one view for fire and EMS crews.

A Russian-language reference and finder for vacuum filters, matching by manufacturer, exact model, or filter code.

A free retirement-planning simulator that runs a user’s accounts, income, spending, taxes, and life events through 1,000 possible market-and-inflation futures.

A birthday-date tool searches Lionel Messi’s club and country goals, with match details for each date.

A Fortnite tracker identifies the current weekly gold outfit and calculates its reported drop odds from chest counts.

A Spanish-language calculator estimates who would win between versions of characters from anime, manga, comics, films, and video games.

A cross-country gliding simulator lets pilots set up weather conditions, inspect a Skew-T chart, and fly a task in a modeled LS4.

A free WoW Forever addon brings profession guides, Auction House prices, and characters from multiple accounts into one ledger.

A fan-made crop reference and harvest planner that turns planting dates into seasonal schedules for Roots of Pacha.

A Linux and browser player for Commodore 64 SID music, with detailed sound visualizations.

A Curitiba service that uses locally targeted social ads to help people look for missing pets.

Petal is presented as a free, open-source Mac app for pinning notes to screen content and invoking actions through the user's Claude Code or Codex setup.

A free iPhone camera app for setting ISO, shutter speed, and f-stop, with Manual, Visual, and Auto shooting modes.

A payroll tool for Ghanaian employers that calculates deductions and prepares payslips, statutory returns, and payment files from an approved run.

A Japanese guide for people organizing marathons, relays, and festivals on public roads, with planning articles, procurement examples, and a quantity calculator.

An Archicad add-on that checks whether vehicles can follow a route, reverse, reach a loading bay, and clear ramps or overhead obstacles.

A searchable calendar lists AI model shutdown dates across providers, suggested replacements, and free email alerts.

A Spain-focused Android fire-alert app that maps NASA satellite detections and offers notifications for watched areas.

Aurum Cyber offers PowerShell tools that assess Microsoft 365 and Entra ID settings against NIST SP 800-171.

Camera0 presents a camera app for Google Pixel phones, with manual controls, specialized photo and video modes, and downloads for Android and desktop.

Free browser exercises ask people with chronic pain to judge whether pictured body parts face left or right.

DeliverPayout reads a fleet’s CSV, Excel, or TSV export, lets an operator check driver earnings and payout components, then exports selected rows for payroll.

A browser-based tool for opening Italian .xml and signed .p7m invoices, checking them against SdI rules, and saving them as PDFs.

A free Windows app that counts Fortnite chests from match replays and displays stats and treasure odds in an in-game HUD.

A browser-based converter turns GIFs and other animations into sprite-sheet PNGs, with slicing data and engine-specific exports.

An in-development SkiErg app that turns your watts into movement through mapped Norwegian ski trails.

A collection of browser tests and guided inspection checklists for checking phone and laptop hardware, including a client-side PDF report for used-device inspections.

KizamuBeam is open-source software for designing, engraving, and cutting with diode lasers, with downloads offered for macOS, Windows, and Linux.

A Los Angeles movie-showtime guide with theater, film, map, and filtering views, including repertory and independent screenings.

A free, open-source macOS app that brings music controls, file tools, an AI assistant, and window layouts into a notch-centered workspace.

An Android inventory and point-of-sale app for Ethiopian shops, with branch stock, staff sales, transfers, and customer credit tracked in one ledger.

An independent reference for searching MOT inspection checks and defects for cars, motorcycles, buses and heavy goods vehicles.

A free desktop app for building project workplans with Gantt charts, team capacity, costs, deliverables, and plan checks.

A dog-and-cat health companion designed to help owners judge urgency, track health details, and prepare for a vet visit.

A Korean maker’s directory of small apps for work, journaling, emotional reflection, coordination, and playful tests.

Free browser-based MIDI controllers and sequencers let synthesizer, drum-machine, and plugin users play and save patterns without installing an app.

A free, no-account guide to prediction-market fees, bot claims, settlement rules, and trading results on Kalshi and Polymarket US, with a cost simulator.

A browser-based tool opens WhatsApp .zip or .txt exports, lets you read and search them, and saves a PDF with exported photos beside their messages.

A free browser-based design tool estimates room daylight metrics and energy savings, then exports PDF reports and DXF models.

A browser-based control app that says it brings building and industrial equipment on BACnet and Modbus into one place to monitor and adjust.

A Mac app for live-show hosts that finds requested studies, clips, and discussion threads, then holds them off-air until the host approves a card.

A golf app that analyzes phone-recorded swings and also offers scorecards, club-carry tracking, and handicap tools.

A germination-tracking tool for seed labs that uses tray photos to count sprouted seeds and keep a record over time.

An iPhone app for logging intimate moments, moods, and notes, then reviewing patterns over time.

A wireless food-temperature probe for commercial and hospital kitchens, where readings are timestamped and sent to a live board.

Spatial Weft presents browser-based, furnished walkthroughs of commercial leasing suites, with equipment placement checks for clearances, power, and egress.

A free browser-based planner for drawing an event room, assigning guests, and producing seating and catering printouts.

A desktop tool for litigation teams that compares deposition answers with case documents and data, then flags discrepancies with sources and suggested follow-up questions.

A browser-based tool for deliberately roughing up videos or cleaning them up, with live controls and export.

Vozlen is a Mac teleprompter that follows your speaking pace, stays out of screen shares, and includes recording and script cues.

An editorial reference library for looking up luxury watches by model and reference number, with specifications, production years, and calibers.

A nursing-school lookup pairs admission requirements and accreditation information with filters for applicants’ TEAS scores, prerequisite GPA, science-course age, tuition, and schedule.

An interactive atlas compares definitions of agency and tracks what their sources say about example systems.

An interactive comparison tool for rifle and pistol optics, with simulated sight pictures and a shortlist for comparing favorites.

A Mac utility creates a separate screen for calls, where you choose which apps to show while keeping the rest of your desktop out of view.

A multilingual directory of anime pop-ups, collaboration cafés, exhibitions, and shops across Japan, organized by title and city.

A freshwater fish-care encyclopedia pairs tank-size and tap-water filters with species scorecards and compatibility guidance.

Search and compare Clean Energy Regulator postcode data on Australian rooftop solar and home-battery installations.

A desktop utility scans nearby Lighthouse stations over Bluetooth LE and controls their power state individually or in groups.

Block Brief says it emails Canadian businesses a weekly, address-specific brief on nearby changes, local events, and relevant neighborhood demographics.

A free guide to Austin short-term-rental rules, with address checks, a licensed-rental registry, tax information, and real-estate calculators.

A studio for customizing bouncing-physics games and exporting them as videos with synchronized, generated sound.

A free, unofficial app for the BYD Shark 6’s DiLink screen, with vehicle gauges, comfort modes, shortcuts, trip logging and privacy monitoring.

An AI-assisted job-search tool for tailoring application materials, practicing interviews aloud, and getting live prompts during an interview.

A free browser-based research demo that compares an uploaded ovarian ultrasound image with learned normal and abnormal patterns, returning similarity scores.

A searchable collection of Christian songs in multiple languages, with lyrics, English-letter forms, chords on some entries, and a church-screen presenter.

ClaimPath describes a service that turns a plain-language account and uploaded evidence into a small-claims court filing package.

An open-source agent skill, CLI, and optional local app for reviewing and moving email before anything changes.

ClinisLab presents cloud software for managing diagnostic-lab records, test catalogs, prices, staff, and the patient-to-report workflow.

A free browser game where two players compete to solve the same mini cryptic crossword.

A browsable Miami price index compares menu-listed food, services, and activities by item, venue, and neighborhood.

CureBranch presents plain-language cancer information alongside a private patient-record branch and an option to share records in a public tree.

Quoting software for fabricators and makers that estimates custom jobs from material, machine time, and labor, then connects quotes to work orders and invoices.

An Android test app for keeping messages, photos, videos, and remembrance dates for someone who has died.

An iPhone and iPad app for filming dance practice, organizing takes in a calendar, and reviewing them with looping, slow motion, and comparison tools.

A Korean-language fan toolkit for Mapleland players, with combat and progression calculators alongside monster, map, and item references.

A searchable reference for vanilla DayZ items and game data, alongside server, mission-file, and gameplay tools.

A French tool for comparing a construction tender’s DPGF with its CCTP and flagging possible omissions, duplicates, unit errors, totals, and risky clauses.

A photo-selection tool that sorts studio-shoot folders into a smaller album draft, while keeping original files on the user’s computer, according to the site.

A Liftoff add-on that turns selected real-world areas into flyable maps with missions and drone options.

A sortable comparison of hard-drive and SSD reliability, grading models by observed annual failure rates.

Does It Ship To lists online stores that deliver to Caribbean islands, with shipping costs and delivery estimates reported from each store’s checkout.

A free, browser-based planner calculates pizza dough ingredients and a timed baking schedule from your preferred mealtime and fermentation conditions.

A beta app for Vancouver Island and Lower Mainland car enthusiasts, combining curated drives, route recording, clubs, events and a local car marketplace.

A catalog and online configurator for pricing and ordering made-to-order architectural edge metal.

An offline Windows app for small frame shops that handles quotes, orders, stock, and cutting instructions for a one-time R$497.99 license.

exit-arc exports Arc spaces, pinned tabs, folders, Favourites, and extensions as files or sets them up in Firefox, Zen, or Chrome on a Mac.

A browser-based directory and form filler for Philippine BIR tax documents, with print-ready PDF downloads and no account requirement.

A North American festival guide that ranks 2027 events against your artists, location, and preferences.

A fan-made Arma Reforger tool that plots FIA supply-cache coordinates on game maps, with an OCR option for reading a shopping-list photo.

A Chinese-language FIRE calculator estimates when someone could stop working, with scenario analysis and comparisons between retirement locations.

A forthcoming phone app for identifying Florida saltwater fish, checking location-specific keep rules, and preparing for trips without cell service.

Flick plays video files and network streams on iPhone and iPad, with subtitle controls and DLNA/UPnP server support.

A Windows capture tool for grabbing regions, windows, full screens, or scrolling pages, then annotating and saving them with reusable shortcuts.

A free browser-based bike-fit tool that analyzes side-view video, measures joint angles, and suggests setup adjustments.

A results archive for athletes aged 17 and under, bringing together competition results from athletics meets across Iceland.

A free, open-source desktop app for analyzing flow-cytometry files, with phone apps described as coming soon.

A free, no-account checker for Instagram and TikTok shop links that reports potential store risks and buyer experiences.

OFWSync turns an OurFamilyWizard calendar into a subscribed feed for Google Calendar, Apple Calendar, Outlook, Skylight, or Cozyla.

A free browser tool that adds turn alerts, climbs, and map-sourced places to a GPX route, then exports files for Suunto, Garmin, Coros, or Amazfit.

An interactive atlas and venue ranking that tallies spectator seating capacity across professional and college sports.

A free greeting builder for New Year, Tết and Chinese New Year, with wording tailored to who you’re addressing.

A World of Warcraft market toolkit that tracks auction-house prices, estimates what sells, and surfaces crafting, gathering, and selling opportunities.

A free, login-optional web app for logging Prospi A real-time-match pitches, viewing pitcher tendencies, and getting next-pitch suggestions.

A Japanese workflow tool for comparing approved food-label copy with packaging artwork PDFs, tracking corrections through final sign-off.

An alpha calculator for comparing Helldivers 2 weapons against enemy armor, hitzones, and time-to-kill.

Jaybird Digital offers a tool to copy a Mozilla Solo website, including its text and pictures, to a Jaybird address.

A home backup-power comparison tool and guide library covering generators, power stations, home batteries, and EVs.

A ship-thickness survey toolkit combining a free class-limits handbook, a PDF-to-DXF converter, and a tool for placing readings on vessel plans.

An app that uses Apple’s built-in models to transcribe meetings and produce notes on-device, with plain Markdown exports.

IDPlain checks passport, visa, and other document photos against listed requirements, then prepares files for upload or printing.

A free library of named CAD symbols and industrial-equipment blocks in DWG, DXF, and printable PDF formats.

An Android writing app that recreates typewriter sounds and paper movement, then lets you share pages as images or PDFs.

An iPhone tool for concrete and paving contractors that attaches GPS locations and measurements to repair photos, then assembles them into a client-ready PDF.

Paice presents a workout planner that builds sessions around your goals, equipment, schedule, and reported joint discomfort.

A private flight map for airline crew and their households, showing past flights and the crew member’s current flight on home screens.

A Swedish preparedness calculator offers a free household check and a paid plan tailored to the people, pets, and home you enter.

A curated Los Angeles house-music listings board with show times, ticket details, and filters for tonight and upcoming dates.

A paid, AI-labeled cooking house for planning dinner service, tracking guest needs, keeping kitchen notes, and managing a personal cellar.

A browser tool that separates a flat image into named, transparent layers and exports them as PNGs, a ZIP, or a layered PSD.

A sermon-review service for preachers: submit a practice run for scored feedback, then compare it with a recording of the sermon you preached.

A browser-based generator turns typed text into 36 copyable Unicode styles, with notes on character counts and accessibility.

A Kathmandu Valley land-check and unit-conversion site, alongside engineering estimates, design and supervision services.

A browser configurator for laying out straight, corner, or U-shaped wardrobes, choosing their contents, and calculating hardware costs.

Morph describes an Android music player that sends audio to a USB DAC through its own driver, with telemetry intended to show what reaches the hardware.

A Japanese-language lookup and comparison site for one person's measured glucose responses to foods, drinks, and post-meal activities.

KeepShot is desktop software for culling multi-day wedding photos and applying a photographer’s Lightroom preset, with files kept on the photographer’s computer.

A Revit add-in for detailing reinforcement across slabs, beams, columns, foundations and stairs, with bar-bending schedules built from the model.

A Korean-language map for finding outings across South Korea, with filters for themes such as parks, festivals, markets, and places to visit with children.

A quoting service for impact-window, door, and roofing installers that says it can answer incoming requests with price-book ranges, follow-up questions, and a site-measure booking.

An iPhone app that scores photographed shooting targets, measures shot groups, and tracks sessions across several disciplines.

A browser-based studio for making vertical merge videos from eight images, with adjustable motion, sound, and export settings.

Shop-management software for marine-service, boat, and jet-ski shops, covering customer portals, scheduling, work orders, invoicing, payments, and more.

A searchable tech-job board that gathers listings from company job boards and displays posted pay where available.

A founding-stage proposal for an operating-room observer that would turn video, audio, and device feeds into a governed case record and draft operative note.