Useful Tools

FUSE compares NASA space-combustion investigations with selected habitat atmospheres, surfacing relevant tests and gaps in the evidence.

A free, open-source tool for browsing and restoring Synology Hyper Backup archives on macOS or Linux, without a NAS.

An Orthodox prayer app and web library that assembles daily prayers, readings, saints, and fasting information around the liturgical calendar.

A browser-based sailing simulator focused on the tactics and rules of getting two boats across a match-race start line.

An interactive map for finding rain around the world and listening to modeled rain sounds in its local environment.

Chiremba is a practice system for private healthcare in Zimbabwe, connecting clinics, diagnostic providers, pharmacies, and patients across appointments, records, prescriptions, referrals, and billing.

A free writing guide for veterans and service members that turns memories into a book, letter, song, or other short project.

An interactive clock replaces numerals with color, with a design studio for custom palettes and a free Garmin watch face.

A browser-based editor for pharma process flow diagrams, P&IDs and single-use assembly drawings, with exports for drawings and generated lists.

A set of free calculators compares software subscriptions with self-hosted or buyout alternatives, including operating costs and hardware needs.

A free desktop app for Mac and Windows that transcribes video into word-timed captions, lets you edit and style them, then exports subtitle files or a captioned MP4.

A free ZIP-code tool estimates which over-the-air TV channels reach an area, where their towers are, and what kind of antenna may work.

A Mac app simulates offset halftone printing, including four-color screening, ink behavior, and scans of real paper.

Counterphase lets quantitative teams test binary forecast records for missing outcomes, timing inconsistencies, and fragile research conclusions.

A tracker and set of practical guides for opening, reviewing, archiving, and citing research code.

A Mac disk utility that maps files by size, helps review cleanup and app leftovers, and tracks storage changes over time.

A free screener estimates whether a small-business listing is worth pursuing, using deal price, earnings, debt payments, and other checks.

A catalogue of software for Mac, Windows, iPhone, and iPad, including remote desktop, PDF editing, notes, and project-folder search.

An open-source microscopy workflow for segmenting cells or nuclei, measuring image channels, and comparing conditions with a locally installed engine.

An interactive 3D explorer for near-Earth asteroids, with flyby views, asteroid background, and a birthday-date lookup.

An adjustable calculator for estimating the costs of raising a child in Hong Kong, from birth and childcare through housing, education, health care and university.

A design-critique tool that takes a website link or screenshot, assigns an A–F grade, flags AI design habits, and offers fixes.

A workflow for drawing electrical plans and generating related circuits, diagrams, and RGIE documentation.

An AIS-based tool that ranks yachts in port by how promising they may be for a dockwalk.

EachInvite turns a wedding invitation PDF and guest list into individually named cards sent from the host’s WhatsApp, with RSVP, attendance, and gift tracking.

Arya is a free video editor for Mac, iPhone, and iPad, with workspaces for editing, color, motion, audio, and delivery.

A free, open-source Windows app for capturing tasks and notes from a keyboard popup, with files stored as plain Markdown.

A browser-based font bench for testing installed fonts, matching images to open-source typefaces, inspecting files, and converting or subsetting them.

This Japanese-language tool recreates the sky for a chosen date and place, then lets you customize and save or share it as a poster image.

An interactive pixel-art map of Prague with controls for seasons, time of day, weather, and map layers.

A browser planner sizes a freestanding loft bed to room and ceiling dimensions, then presents a 3D view, clearance checks, cut lists, and a free printable plan.

A free ebook reader built around long-form reading, with book-like page layout and typography.

Outpost is software for keeping reference material, maps and an AI assistant available on your local network without an internet connection.

A privacy-focused iPhone budgeting app that turns quick money notes and savings into a growing kelp forest.

A macOS disk cleaner for developers that explains why each suggested cleanup is safe and sends removals to the Trash rather than deleting them permanently.

A free, open-source Windows desktop player for local music files, with gapless playback, per-album loudness leveling, and reversible library-side tag fixes.

A local-first workspace for comparing S&P 500 strategies under shared backtest assumptions, with charts, metrics, and downloadable records.

A browser app for creating chord, TAB and rhythm charts, sharing setlists, and turning pages during a performance.

Ultimate Rack is a browser-based builder for assembling and wiring sound-system equipment racks, with a large gear catalog and simulators for two devices.

A Japanese billiards portal for tournament schedules, results, player information, venue searches, and scoring.

Vulcan is an Android home-screen launcher offering Nova-style customization while saying the app cannot connect to the internet.

A browsable archive of pre-seed and seed fundraising decks, organized slide by slide by section.

A directory of public live cameras, presented as full-screen views with the local time and weather.

Wird is an iPhone app that follows Quran recitation word by word, with a covered-page mode for memorization and additional prayer and dhikr features.

A Korean job-search site lets applicants filter public-sector listings by the accommodations that make work more accessible to them.

A searchable suite of free, no-account calculators for live audio, lighting, video, networking, power, and show work.

A Korean veterinary-clinic finder pairs regional counts from licensing data with nearby search and a separately checked 24-hour list.

A program-authored ECMO cannula selection guide and inventory tool, populated with data entered by the program rather than built-in clinical values.

A US-market vehicle catalog helps drivers compare EPA configurations and find feature instructions tied to specific cars and years.

A desktop app for dental technicians that reads Lab values from screen pixels and compares tooth shades using ΔE.

Show-control software for theatre companies that links spoken lines in a script to lighting, sound, video and surtitles.

A browser-based audio editor lets you cut spoken recordings by editing their transcripts.

A directory of standing U.S. lighthouses, with state and A–Z browsing, a map, and access information for visitors.

A Spanish-language companion app page describes added screen features for the Dongfeng Vigo, including voice controls, driver profiles, trip costs, charging records, and games.

An Arabic-language calculator for livestock feed quantities, editable local prices, farm profitability estimates, and poultry-cycle records.

A Spanish-language clinical calculator for gestational age, fetal biometry and estimated weight, Doppler measurements, growth restriction, and first-trimester markers.

A free browser-based guitar-neck trainer that labels notes by their intervals over a root instead of teaching memorized box shapes.

A browser-based tool for converting, subsetting, inspecting, and preparing font files for the web.

A symmetry drawing tool for making mandalas and repeating patterns, with a browser demo and features aimed at tattoo stencil workflows.

Lathe is a free desktop recorder for bands working in different places, with cloud collaboration, revision history, track notes, and an MCP connection for AI assistants.

A regional monitoring service that combines public project announcements with satellite imagery to track greenhouse sites from announcement to visible cover.

Choose a city and a deck or fence material to see an illustrative simulation of how local weather may age it over 20 years.

An interactive map of Israel’s CVFR routes for general aviation, with route planning and downloadable route tables.

A browser-based articulation-card workflow connects speech therapists’ in-session practice and records with PIN-based practice at home.

An India-focused crop planner compares a chosen place or crop with soil, rainfall, temperature, water needs, and mandi prices.

Psychologist and researcher Liset Z. Sairitupa Sanchez shares 20 free psychological scales and a searchable library of research.

A browser-based tool measures fungal structures in microscope photos and prepares statistics, plots, and exportable results.

A web app that opens archived versions of websites by year using the Internet Archive’s Wayback Machine.

A free, browser-based collection of MIDI controllers and step sequencers for synthesizers, drum machines, and plugins.

This calculator combines probabilities across chains of events, with options for modeling forward or backward contamination scenarios.

Pollie lets people search and compare UK fertility clinics, with treatment guides covering options, costs, and NHS funding.

Porto is downloadable software for managing marina berths, contracts, bookings, yard work, and related operations.

A menu-bar macOS monitor that tracks processes, network connections, domains, ports, and system anomalies.

An interactive atlas of 89 Brazilian protected areas, with map, biome and state browsing, park guides, and editorial expeditions.

An iPhone app in testing for learning Red Sea fish, identifying sightings, and keeping each in a personal reef.

An Android app for Sudanese shops that reads bank-transfer notifications and flags possible problems before a merchant accepts them as payment.

SimNest routes calls and texts from a SIM-equipped Android phone left at home to paired iPhones, keeping the original number in use.

A US veterinary-price directory covering exams, vaccines, spay and neuter, dental cleaning, and more, with figures linked to clinics’ own pages.

An iPhone and iPad app for checking switch ports over SNMP, comparing before-and-after states, and preparing handover reports.

A Mac revenue tracker that turns sales from storefront platforms into notch notifications and a combined daily view.

A searchable tracker that monitors career pages at 50 space companies and records their open job listings.

A browser tool for turning youth baseball game and practice videos into Instagram-ready clips with team branding.

A Chrome extension that blanks a webpage, then stages its reconstruction with multiplayer cursors drawing boxes, typing text, and restoring media.

A Florida-focused calendar and deadline guide for underground utility crews, with printable reference sheets.

A playful dictionary and text tool that shortens words and sentences while trying to keep the original word recognizable.

A self-hosted time-tracking and invoicing app, paired with a native Mac menu-bar timer.

A UAE apartment-finding guide for comparing tower surroundings and individual flats, with rent calculators and a viewing checklist.

A browser-based CSV editor for checking, cleaning, filtering, and reshaping files without converting them into spreadsheets or uploading them.

A browser-based engine-tuning simulator with a dyno, ECU controls, sound features, and a stated selection of 60 engines.

An interactive ranking of diseases by health burden, research attention and readiness, intended to help direct AI research effort.

Free day-ahead electricity prices and zone-specific outlooks for 24 European bidding zones, with tools for EV charging, electric heating, and solar or battery decisions.

A Shopify app for custom wood shops that lets customers configure pieces on a product page and sends the shop an approved design with cut files.

A tool for Ohio mineral owners to check drilling units, wells, filings, and projected income tied to their land.

A DWG and DXF viewer for Android and Windows that supports drawing measurements and site notes with photos, assembled into PDF reports.

Car Interfaces is a searchable reference library of car dashboards, with photos tagged by interface elements and cars organized by model line and generation.

A suite of apps for personal music and video libraries, live TV, household recipes, and groceries, built around Apple devices and Jellyfin.

An AI-assisted toolkit for turning a short language-learning request into a previewable app, lesson, or set of learning materials.

An Android reader and tracker that saves your chapter and page across the manga, manhwa, and comic sites you already use.

An unofficial bilingual toolkit for searching Riftbound cards, building decks, browsing shared lists, and tracking tournament results.

A free macOS app that finds hidden caches, build folders, and other developer-related files taking up space, then lets you review them before cleanup.

A set of tools for matching local AI models with computers that can run them, then comparing speed, memory and price.

A paid Gmail service for families setting up email summaries and bundled marketing for a parent or grandparent.

ForgeV presents a free Windows toolkit for managing GTA V mods, editing game files, diagnosing plugins, and exploring the game world in 3D.

A French-language skywatching guide that maps what may be visible from a chosen location and helps compare observing conditions across the coming week.

A browser-based pixel island where people can work alongside one another, using focus timers and quiet social signals instead of cameras, microphones, or chat.

A library tool that turns a catalog export into a genre-sorted spreadsheet and a kit for putting those genres on the shelves.

A tracker for serialized Riftbound × T1 2025 Worlds Champion cards, with player populations, sightings, alerts, owner libraries, and listings.

An online editor for making short videos where a chosen word or phrase stays fixed as newspaper-style pages, book pages, or supplied images change around it.

A free, browser-based toolkit for football tactics, formations, training sessions, set pieces and matchday planning.

An Android bouldering log lets climbers photograph problems, record sends, and compete on troop leaderboards.

An independent guide to Barcelona play areas and open schoolyards, searchable by starting point, play equipment, age, and distance.

A collection of 16 pregnancy calculators covering loss risk, dating, fertility, and health, with the site saying it shows its math and sources.

A browser-based video captioning tool that transcribes clips, adjusts word timing against the audio, and exports styled captions.

CoachBeat turns spoken or typed training plans into sessions with sets, work, rest, and targets tailored to each athlete.

A searchable directory of debt collectors paired with complaint data and links to dispute-letter and consumer-rights resources.

A Strava-connected map turns your city rides and runs into street coverage, rankings, and crew challenges.

A paid weekly email list of metro Atlanta construction stormwater filings, scored to help contractors prioritize sites.

A beta DMX lighting controller that builds live shows from clips, layered tracks, formulas, and music-aware timing.

A free-for-personal-use library of 3D-printable holders, drawers, and tools organized around film-crew jobs.

A cocktail and coffee manual pairing recipes and technique lessons with calculators, batching tools, and staff-training quizzes.

eyeonitt presents an industrial vision system that monitors blown-film lines, flags suspected defects, and connects each event to footage and its production order.

A farm tracker for recording stand sales, pre-orders, spray costs, picker pay, and what each crop and field earned.

Firehouse Desk handles recruitment and member management for volunteer fire and EMS departments, from online applications through onboarding and day-to-day records.

A lookup resource for finding refrigerator filters and humidifier parts by appliance model or the number printed on the old part.

A pregnancy-week fruit widget grows into an optional printed photo book for each year of a child’s life.

A free, browser-based GTA-style HUD overlay for streamers to configure and use in OBS.

A tool for turning short, damaged, or incorrect vendor deliveries into credit claims, then tracking them until the credit appears on a statement.

A downloadable Windows utility for batch video trimming and joining, using stream-copy cuts where possible and handling mismatched sources individually.

A free, open-source macOS app that inventories keyboard shortcuts, flags conflicts, and shows which keys remain available.

Kolvoy describes a motorcycle group-intercom app that relays riders’ voices between phones, including when there is no cellular signal.

A Windows app that records meeting audio, transcribes Setswana and English, and produces a summary, decisions, and action items.

Static game-reference tools for Fortnite locker scoring and chest odds, plus an Anime Vanguards tier list, draw on dated datasets.

A container and trailer loading tool for building 3D plans from a written order or by placing items manually, with checks against loading rules.

Loyaltix describes a French- and Arabic-language platform for brands to run retailer missions, award points, and track program budgets in Algeria.

Metalary presents a mobile calculation app for pipefitters, welders, boilermakers, and machinists, with formulas and sources shown alongside results.

A photocard collection app for adding cards from photos, checking what you own, browsing album and event lists, and sharing cards for sale or trade.

A Colombian service that checks car or motorcycle records by license plate and sends results through WhatsApp.

A free AION 2 companion for boss and event timers, server market prices, maps, builds, and a Windows DPS meter.

Sanad is a dental-clinic management system for appointments, tooth charts, treatment plans, prescriptions, and invoices, presented in Kurdish, Arabic, and English.

A set of calculators for checking whether solar panels, cables and adapters are compatible with portable power-station inputs.

A deal-structuring tool for estimating tax consequences and comparing offers in small-business sales, with stated coverage for deals around $1 million to $25 million.

A 2D animation tool for posing a stunt dummy, setting frame timing, and generating character reference guides for sprite artists.

Takt Industrial turns an open-orders spreadsheet export into a one-page report flagging jobs at risk of shipping late and the work-center load behind them.

A fan-made site for playing Twilight Imperium Fourth Edition in a browser, with friends or computer players.

TowKeeper is towing-company software that says it can transcribe calls into job records, find nearby trucks, and combine dispatch, impounds, payments, and lien sales.

A free World of Warcraft: Forever add-on that uses your character’s progress to plan leveling, travel, dungeon, profession, and gold-farming routes.

A browser-based AI workout coach that uses a phone or laptop camera to count reps and give form feedback.

A hand-checked directory of paid AI-training and data-collection work, organized across filming, labeling, writing, expert, voice, and photo tasks.

A mobile player for finding, organizing, and listening to video-game soundtracks offline, alongside audio already stored on your device.

A social iPhone app for telling friends where you’re eating sausage, finding nearby recommendations, and keeping a log of what you’ve tried.

A free lookup interface for West Virginia land buyers that brings together public-map clues about access, terrain, utilities, floodplains, wells, and mining.

A receiving-inspection tool for machine shops that checks mill test reports against material tolerances, verifies specialty-metals melt origin, and prepares AS9102 documentation.

A searchable directory for finding Blender add-ons by task, checking version compatibility, and comparing prices, deals, and usage signals.

A searchable index of AI-safety and governance research, organized by topic, source, date, and other filters.

An iPhone app that uses TfL journey history to map rides, track travel statistics, and collect London Tube stops.

A detailed Path of Exile 1 build simulator for configuring mercenaries, player auras, spectres, link skills, and equipment.

Alphabet Keys lets you type Russian using either a sound-based Latin-key layout or the standard ЙЦУКЕН arrangement.

A browser-based tool for opening electronic invoices, signed files, and PEC email files, with a bulk workflow for accounting offices.

A free browser tool for opening Italian .p7m files, extracting their documents, and viewing information about the digital signatures.

A bilingual aquarium calculator covers tank dimensions, stand materials, filtration, biological load, water tests, and fertilizer recipes.

Arcvelle lets you draw a floor plan, furnish it in 3D, and prepare renders, tours, drawings, and a priced bill of materials in your browser.

A public-facing tool for exploring satellite-based corn and soybean yield estimates by season and date, with API and data-download links.

A browser-based studio for turning audio into music videos with animated visual presets.

A set of free tools and short guides for checking eSIM prices, estimating a Morocco trip budget, and finding official entry information.

A searchable guide to RV length limits for campsites listed on Recreation.gov, with filters for length, state, and area type.

A planning tool for UK private pilots flying VFR, comparing forecast conditions with each pilot’s own limits and suggesting when and where a flight might work.

A tool for turning drilling and geology files into well plots, event flags, and exports for geoscience software.

A French-language calculator compares the total cost of electric, hybrid, and combustion cars, including energy costs and 2026 vehicle taxes.

A GPS camera app and browser checker for creating and verifying co-signed photo records at handovers, inspections, and similar exchanges.

わが家の防災トレーニング guides households through illustrated preparedness topics, scenario quizzes, and a checklist of supplies and plans.

A browser-based calculator turns weekly payroll CSVs into employee-level W-2 box 12 code TT amounts and shows the workweek math.

A suite of video, GIF, image, and sound tools that Brume says process files on your device rather than uploading them.

A free tool for teachers to print bubble sheets, scan completed tests with a phone or copier, and export scores.

A phone-based sales app for business reps that captures event and referral leads, prioritizes follow-ups, and helps prepare quotes and orders.

An interactive planner for laying out garage cabinets, workbenches, and tote racks, with material lists, cut lists, and cost estimates.

A free calculator estimates how much caffeine from listed drinks may remain at a planned sleep time, including daytime sleep after a night shift.

A Polish-language iPhone app scores short recordings across six speaking and on-camera measures, then pairs feedback with bite-sized practice and video editing.

A searchable comparison of community-reported Plex, Jellyfin, and Emby transcoding results across mini PCs, NASes, processors, and graphics cards.

An index of reported faults for Chinese-brand cars sold in the UK, with owner-report counts, typical mileage, dealer fixes, recalls and sources.

A Serbian-language service for checking used-car listings, preparing questions for sellers, and bringing model-specific inspection guidance to a mechanic.

Cedra presents a bakery and pastry-shop app for costing recipes, tracking kitchen tasks by voice, and sending customer orders to WhatsApp.

A TU Delft startup says it turns MRI and CT scans into soft-tissue anatomical models for surgical rehearsal and device testing.

A Chicago movie guide for finding showtimes by film, theater, neighborhood, date, or format.

A browser-based seed map and collection of practical tools for Minecraft worlds, builds, and servers.

Come About is an Android app that steps in when social-video feeds take over, without blocking the apps themselves.

A batch image compressor for PNG, JPEG, WebP and AVIF, with resize, format conversion and metadata removal controls.

A free browser-based checker that reports cookies, storage keys, and tracker requests found on a website’s homepage.

A Portuguese housing-data site combines municipal price and rent figures with calculators for mortgage payments, purchase taxes, property tax, and related costs.

A browser-based slideshow for photo folders on your computer, with support for common image formats and camera RAW files.

A Mac and Linux desktop planner keeps today's tasks in a top-edge bar, with tools for starting, timing, and carrying work forward.

A vehicle-specific explorer for Audi, Volkswagen, and Porsche that connects fault codes, parts, and engine diagrams with plain-language explanations.

A browser-based coilover and spring-rating tool for dirt racers, built around the dimensions and loads of their own parts.

A UK postcode checker that brings together local warnings, disruption records, care and travel information, and comparisons between areas.

A browser-based tool that turns alcove measurements into wardrobe layouts, cut lists, drilling details, and workshop files.

A browser-based embroidery digitizer that guides users from an image or text design to a machine file.

A macOS utility for photographers that checks memory-card files against work and backup disks before giving the go-ahead to format.

A Spanish-language workshop guide for e-MTB owners, with bike-component references, torque information, setup calculators, maintenance tracking, and roadside troubleshooting.

A searchable timeline tracks cloud service retirements, end-of-support dates, and infrastructure-as-code breaking changes across Azure, AWS, GCP, and OCI.

A driving app that pairs engine sounds with GPS speed and offers controls for tuning the sound, shifting, and driving modes.

An interactive game asks you to draw the missing stretch of a real historical chart, then compares your guess with the data.

A browser-based PDF editor charges $1.99 when you download a filled, signed, or redacted document; page-management tools are free.

A Moroccan precision-agriculture service uses multispectral drone scans and agronomist review to identify where farms may need treatment.