Useful Tools

A browser-based 3D astronomy simulator links the solar system, a location’s visible sky, and sunlight on a building across dates from 3000 BC to AD 6000.

A browser-based route planner compares the fastest drive with routes passing fewer mapped Flock or other plate-reading cameras.

ClinicLR is clinic-management software for Liberian health facilities, covering patient visits, lab and pharmacy workflows, billing, and care tracking, including when internet access is unavailable.

A searchable reference for comparing sourced specifications across fly-tying and fly-fishing gear.

An interactive map reconstructs the night sky for a chosen place, date, and time, with options to look around, save, share, or make a print.

A browser-based tool for preliminary sizing of transmission parts and structures, with calculation reports and CAD drawings.

A Japanese-language guide and set of practical references for delivery workers navigating Tokyo by bicycle, scooter, motorcycle, or light van.

An unofficial fan atlas for exploring Star Citizen worlds, locations, stations, mining references, and loot guides.

A voice- or text-driven tool that fills North Carolina’s official childcare incident form, gathers signatures, and routes the report to directors.

A free, open-source vocal tuning plugin for Mac, Windows, and Linux, with an interactive browser demo.

A searchable catalog compares specialty coffee beans from roasters across Japan by origin, processing method, variety, roast level, and price per 100 grams.

A free 3D greenhouse designer turns adjustable plans into material estimates and a $29 builder’s plan.

A browser-based map and download interface for German geodata, including cadastral data, elevation models, orthophotos, and Sentinel-2 imagery.

A research database connects chemical activity and species traits to traceable, AOP-based predictions about endocrine-disruption mechanisms.

A public explorer organizes mathematical manuscripts attributed to OpenAI into result families, disciplines, and explanations, with Lean verification status in view.

A collection of in-browser tools for splitting, repairing, reshaping, and preparing 3D models for printing and fabrication.

A screen-based banana reference that can be calibrated to actual size and used to measure objects.

Calends tracks recurring subscriptions, shared costs, prepaid balances, and upcoming charges in a ledger you can self-host.

The site offers a workflow for uploading a welded-part model—or describing an idea—to get a price and shop drawings, then order fabrication.

An electrical control-circuit simulator for drawing, running, and troubleshooting circuits, with guided tasks and a library of ready-made examples.

CrushLogix is shop software for monster-truck teams, tracking trucks, components, repairs, parts orders, shows, and crew tasks.

A community-built reference for Citizen models, calibers, families, and catalog scans, with a serial helper.

A Mac and Windows app for drafting sewing patterns from personal or client measurements, with formulas that update the draft when measurements change.

Finds Spanish villages in Asturias, Cantabria and Aragón to match selected experiences, your starting point, driving limit and travel month.

A database of creator-economy business deals, paired with tools for estimating sponsorship rates, channel value, and buyout offers.

Glovebox uses a Raspberry Pi or compatible board to back up TeslaCam and Sentry Mode clips to a NAS or another configured destination.

Stub is an upcoming iPhone app that reads a cinema ticket and turns the screening into a designed, collectible card.

Lakol presents modular school-management software for schools in Niger, covering admissions, timetables, attendance, grades, finance, and family communication.

A Windows tool for running Ethernet cable acceptance tests and producing Word, PDF, Excel, TXT, or CSV reports.

A free PC tool for turning real farm terrain and field boundaries into a Farming Simulator 25 map.

A free Mac and Windows app, with a browser version, for opening downloaded geospatial files as interactive maps.

A Mac-based tool for producing word-by-word live captions at events, entirely offline after setup.

A beta directory for finding paid, proprietary alternatives to open-source software, with price observations sorted highest-first within each billing basis.

Raw Compact is a Mac app for shrinking and trimming Nikon Z R3D NE and N-RAW video while keeping the files RAW for grading.

SetbackIQ offers address-based permit and setback guidance for sheds, decks, fences, garages, and ADUs.

A camera-and-weather dashboard centered on the windsock at Hickory Regional Airport, with METAR, sky-and-light, and runway-wind sections.

A free atlas lets visitors explore 59 Indian treks in 3D and compare route details, seasons, permits, costs, and operators.

Zenigo is a browser-based phone guide that helps telescope users point a Dobsonian at objects in the sky, plan observing sessions, and keep a logbook.

A curated, deadline-sorted board of AI film contests, festivals, grants, and free-credit opportunities closing within 60 days.

A regularly updated comparison of published AI prices for common business tasks, shown in Australian and US dollars.

A Hebrew-language kit for practicing spoken Arabic in field situations, from giving instructions to handling medical and crowd scenarios.

A menu-bar system monitor for Apple-silicon Macs, with live readings, optional 24-hour history, and plain-language explanations of heat and performance events.

A searchable directory of U.S. freight brokers that tracks authority status, recorded changes, and filing evidence using FMCSA data.

CapRocket presents a free, open-source Windows video editor with a multitrack timeline, offline auto-captions, effects, screen recording, and exports up to 4K.

A detailed guide to continuing-education requirements across ten certifying bodies, paired with a free browser-based tracker.

Climaterio Claro is a Spanish-language diary for tracking bleeding and symptoms, estimating a likely menopause-transition stage, and preparing a summary for a medical appointment.

Coastline Homes lets homeowners compare city-specific ADU plans against mapped lot boundaries, existing-house footprints, and local setbacks.

Cuello reads the other parts of a play aloud, hides your lines, and listens as you rehearse from a PDF or Word script.

An iPhone app for recording dragon boat sessions, reviewing GPS and video, and planning crew lineups.

A Claude-connected search tool for finding specific moments in public-domain NASA and Prelinger films, with trimmed clips and licensing details.

Pinna records calls in Zoom, Teams, Meet, FaceTime, and more, transcribes them on the Mac by default, and offers Pro notes and MCP access for AI agents.

A free student schedule and homework app built for rotating cycles, school closures, delayed starts, and other schedule exceptions.

Stretch presents a free meal planner for Australian university students, turning nearby supermarket deals and cheap eats into 21 meals and a shopping list.

A free desktop app sends hymns, Bible verses, and lower-thirds to OBS or vMix over a local network.

An experimental three-day forecast for halny, the strong, dry southerly wind that blows over the Tatras into Zakopane.

A free, on-device dictation tool for English speakers in Israel, with an Android keyboard and desktop apps for Ubuntu and Windows.

An open index compares bug-bounty programs by payout behavior, crowding, and how well their scope matches a hunter’s skills.

An independent interactive reference for 13 Korg Volca models and editions, with hardware controls, sound demonstrations, and side-by-side comparison.

A Star Wars: Legion game lets you command a force against a bot, spectate bot-versus-bot matches, or build and import an army.

Marl presents Bay, a free Mac video editor, alongside Bay Effects for motion graphics. Both pair agent-directed work with hands-on editing.

A set of measurement simulators and plain-language explainers for people working with gauges, calibration, and measurement uncertainty.

Minutes connects meeting discussion and recorded decisions to proposed tasks, accepted commitments, and follow-through at the next meeting.

A trend lookup and weekly brief help parents and educators understand online slang, challenges, and youth culture, with a sense of how much to worry and what to say.

A map of New Hampshire Class VI roads and Vermont Class 4 roads and legal trails, with GPX downloads for planning drives.

A notes-and-tasks app that connects personal information and resurfaces it in daily notes, people pages, and reminders.

A browser-based tool in testing that turns signing into text and speech, with typed replies for Deaf and hearing people on calls or face to face.

PedVault is a private pedigree manager for dog breeders and owners, with offline records, pedigree imports, and configurable sharing links.

A four-city calendar for ballet, modern dance, and other performances, with company pages and selected tour dates.

A free, browser-based checker for Home Depot and Lowe’s appliance protection-plan disputes, using claim details to count repair thresholds, deadlines, and possible benefits.

Quiet Overhead estimates when the sky above places near Heathrow may be quieter, with Kew Gardens currently available.

An open database tracks humanoid robot models, companies, prices, availability, shipments, and funding.

A browser-based tool for making right-to-left PDFs from Arabic, Urdu, or Persian text, with options to add text to an existing PDF.

A Polish- and English-language web app for tracking sober time, daily cravings, and patterns over time.

A CLI-and-template workflow for producing papers, proposals, reports, and talks from shared text and YAML inputs.

A Japanese database for comparing the ingredient labels, use amounts, and per-wash prices of laundry detergents and fabric softeners.

A browser-based tool for recording interactions with government agencies, tracking case timelines and deadlines, and exporting a case packet.

A Mac and iPad app for practising jazz and blues piano, with ear training, guided drills, backing tracks, sight-reading and daily plans.

A free Chrome extension uses viewer-made timing lists to mute, skip, or black out selected moments in streaming video.

A filterable comparison of 27 VPS plans, managed hosts, and home-hardware options for running Hermes Agent or OpenClaw around the clock.

A free collection of browser-based calculators, drawing, labeling, planning, and file utilities for panel builders and electricians.

A browser-based editor projects an image across room surfaces from one fixed viewpoint, then exports the resulting rectangular panels as printable PNGs.

DeskProof Lab offers free browser tools for checking keyboards, mice, controllers and displays, with practical guides for interpreting what you observe.

A native Mac driver connects the Digidesign Control 24 audio console to Logic Pro, Pro Tools, and other DAWs that speak Mackie Control or HUI.

NAI is a CPU-based symbolic-regression tool that tries to infer a formula from tabular data, then reports how it performs on unseen rows.

A browser-based practice tool for recognizing GeoGuessr clues, from road hardware and number plates to regional codes and writing systems.

Ground Verdict offers a rapid screening service for assessing whether a New South Wales site could work for a grid battery.

A free app presented as a way for Hajj and Umrah pilgrims to message and find one another over Bluetooth mesh, without internet, phone numbers, or accounts.

A browser-based generator that turns a chosen city or location into a layered SVG for laser cutting or engraving.

Savlar groups agreement, disagreement, and predictions from selected podcasts and channels, pairing its patterns with speakers’ quotes and links to where they said them.

A free app for outdoor groups to send messages, preset signals, and SOS alerts—even when mobile coverage is absent.

An iPhone astrophotography app that stacks short exposures into star-aligned images, with star trails, time-lapse, meteor tools, and a sky-darkness meter.

A browser-based workbench for analyzing upper-air soundings, comparing model profiles, and inspecting weather hazards.

A Porsche 993 valuation tool built from auction-sale records, with model guides and recent sales.

A two-person Kocaeli studio presents free, account-free apps for calendars, habit tracking, document organizing, and a Windows desktop companion.

A lyric tool that highlights vowel-sound rhymes, chains, and patterns across pasted verses.

An open prototype lets dog owners examine vocalizations, add situational context, and develop tentative, personalized communication hypotheses.

A personal site with six practical tools, three short articles, and two travel manuals.

A free, ad-free tool for organizing Magic gatherings, filling tables, recording match results, and keeping track of players’ stats.

A searchable directory for exploring websites by maker, sector, and visual traits, then collecting finds in shareable crates.

DrillHat offers commercial contractors a weekly, human-reviewed shortlist drawn from Chicago planning and permit records, with sources attached.

A free, sourced guide and buyer-cost calculator for small online sellers navigating customs, duties, VAT/GST and DDP rules.

An interactive typeface explorer that maps fonts to shareable addresses and offers controls to edit, compare, and export them.

A searchable reference tracking expense ratios and recorded fee changes for 29 US index funds and ETFs.

An Android app that blocks gambling sites for a commitment period chosen by the user, then unlocks automatically.

Retag says it compares independent used-game stores’ prices with other stores and online sales, then flags inventory tags that may be worth changing.

A searchable directory of resorts, hotels, and retreats, organized by the gluten-safety practices their kitchens describe.

A Mac app for turning phone photos of irregular floors into measured drawings, nested sheet layouts, and CNC- or laser-ready exports.

Guardia presents an iPhone app for at-home shadowboxing that counts punches, calls combinations aloud, and checks whether your guard drops.

A Korean hospital finder that uses public data to compare nearby providers, reported prices, and after-hours availability.

A Mac app for asking questions of PDFs, Word files, and notes, with answers linked to the pages they came from.

A free browser tool for designing custom junctions, crossings, and switches for wooden toy train tracks, then downloading them as 3D-printable STL files.

KitAgain helps people find reuse projects for devices they already own, with compatibility checks, setup guidance, and reasons to stop.

A browser-based Etsy statement checker shows sellers the fees behind their monthly deposits and offers a paid, per-order report.

A Dynamics GP utility that checks installations overnight, offers previewable repairs, and guides users through tasks they must complete in GP themselves.

A Spanish-language toolkit for developing and testing names for restaurants, food products, and menus.

This open-source Linux utility unpacks, installs, and launches visual novels from downloads that may arrive in awkward archive formats.

A football stats tool that ranks team and player numbers over a chosen timeframe, then packages the results as shareable “receipts.”

A WordPress plugin scans a site’s plugins and theme for compatibility issues with PHP 8.1 through 8.4, before an upgrade.

An iPhone audio-app project that describes recording sounds, scratching and looping them, and cutting them into playable pads.

Ruze presents a free chat app for servers, channels, direct messages, voice, and screen sharing, with conversations described as connecting devices directly rather than passing through a company server.

A free desktop tool that reads a Football Manager 26 save, lets you scout its players in three modes, and exports player data to CSV.

A catalog comparing horror Blu-ray and 4K UHD releases, prices, sales, and pre-orders across US and UK shops.

A Windows sculpting app presented as digital clay, with tools for carving, painting, rendering and preparing models for 3D printing.

A photo, camera-raw, and video grading tool with browser, command-line, Python, and AI-agent workflows.

Portrait software for Rotrics DexArm turns guest photos into real-ink drawings at events.

A source-linked comparison of Austrian community solar participation offers, including their status, price, returns, terms, and participation conditions.

Sufra lets family members log meals by photo or text and share a view of everyone’s plates.

TambuFlow presents a daily workspace for tracking water production, deliveries, customer assets, payments, and accounts.

Taverne lets game masters prepare scenes and coordinate music, visuals, sound effects, and optional lighting around an in-person roleplaying table.

A tool for estimating the U.S. customs origin of a product and checking whether production changes could affect that determination, using earlier CBP rulings.

Ahia describes a tool that reads photographed sales-book pages and turns confirmed entries into a ledger, customer-debt list, savings tracker, and shareable record.

A Windows tool that replaces sensitive details in documents with placeholders before they go to an AI service, then swaps the originals back into the edited file.

A free Chrome extension that previews, searches, and reopens tabs from a keyboard-driven switcher.

A downloadable Windows and macOS app that uses local AI to sort photo batches, flag common flaws and group similar shots for review.

An iPhone and iPad app that scans boarding-pass barcodes and explains the travel details encoded inside them.

A cueing system that lets a producer send STANDBY, GO, countdowns, and role-specific notes to pagers on phones, tablets, Apple TV, Mac, or dedicated ESP32 hardware.

A question-and-browse tool for exploring University of Hawaiʻi men’s and women’s volleyball statistics across 54 seasons.

A free Tokyo-focused matching service for finding a HYROX doubles or relay partner, or a training companion.

A Turkish app in testing aims to let family members share an “I’m OK” or “I need help” status with a single tap during an earthquake.

A macOS menu-bar utility that shows usage headroom across Claude Code, Codex CLI, and Kimi Code accounts, then starts a command on an account with room.

A native macOS music player that applies classic Winamp skins to local music and can remote-control Apple Music or Spotify.

The service makes stylized QR codes for printed materials, with editable destinations, scan-activity counts, and a stated scan-testing process.

A T20 cricket site that rates players, tracks match points, compares valuations with IPL auction prices, and offers a free auction game for friends.

A browser-based tool for recording, editing, and exporting audiobook chapters to ACX technical specifications.

A free Windows app that changes the pitch of audio from selected apps without changing playback speed.

The browser tool assembles planning-level parcel, terrain, hazard and aerial layers for U.S. addresses, with exports listed for CAD, SketchUp, GIS and PDF.

A free planner lets you draw a bathroom, place fixtures, and see layouts with clearances checked, alongside measured plans and reference dimensions.

Baybook presents registration and insurance tracking for lake associations, residential airparks, and garage-condo communities.

A free browser-based editor for drawing bead patterns, converting pictures into bead grids, and making printable charts.

A free beta app for church projection that brings song lyrics, Bible passages, videos, and announcements into one service workflow for Mac and Windows, with offline use described.

BlackClip presents a research tool for checking company-analysis claims against Korean and U.S. public-company filings.

A free set of labor and personal-finance calculators built around Colombian rules and rates.

A free Chrome extension that scores replies on X and folds those above your chosen threshold out of view.

A tool for plotting and comparing low-voltage circuit-breaker trip curves, checking coordination, and preparing breaker test reports.

Cat Reader is an Android e-reader for DRM-free files, with offline narration, reading controls, and tools for reading along or reading silently.

A web and Android tool for importing leather-product patterns, estimating material and hardware costs, and issuing workshop-branded Persian invoices and estimates.

A free lookup page for U.S. aircraft records, searchable by tail number, serial number, or Mode S code.

An Australian hazardous-chemical platform for searching safety data sheets, managing workplace inventories and registers, and checking storage compatibility.

A free desktop app that sends button presses from Zwift Click controllers to MyWhoosh.

A Spanish-language calculator estimates car ownership costs by month, year, and kilometer, with options to compare vehicles and explore different scenarios.

A Windows tray app for pairing screenshots with fix instructions and handing them to Claude Code as project-specific cues.

Decamp packages posts, pages, images, SEO data and redirects from several website builders for import elsewhere.

A Korean-language budgeting app turns cash into movable amounts, allocates it to envelopes, and records income, spending, card texts, and receipts.

An interactive, furnished 3D study pairs owner and tenant spaces in an HDB Model A layout with a coordinated 2D floor plan.

A macOS and Windows audio plugin for slicing samples, assigning stems and effects to individual slices, and playing them as a sampler or multisampled instrument.

A searchable database compares measured LLM inference speeds across 17 edge-board configurations, with filters for board, model size, and runtime.

A billing tool for Puerto Rican thoroughbred trainers that organizes stable expenses and prepares owner-specific monthly invoices.

A collection of home-project calculators that turns measurements into material quantities and adjustable cost ranges.

It turns public-construction project manuals into page-referenced closeout checklists, then offers to collect and assemble the required records into a binder.

A Mac app that catalogs photos and videos across folders, drives, an iPhone, and a camera without importing or moving the originals.

A phone-based privacy tool that uses the front camera to report how much of your face is obscured, with spoken feedback and alternate display modes.

Upload a Screen Time screenshot—or enter app times by hand—to estimate what apps earn from your attention over a year.

A native Mac file library for visual browsing, plain-language search, moving file groups between apps, and clipboard history.

A browser-based tool that converts uploaded images into a PDF of named spot-color plates or four CMYK process plates, with an optional white underbase.

FloodFlag offers a free county lookup for recent FEMA flood-hazard notices and describes a paid service that monitors properties and emails alerts.

Gamespork presents playable game prototypes and starters, with a workflow for creating games and sharing feedback.

A forthcoming iPhone and Apple Watch app for offline outdoor safety, first aid, and finding your way back.

A Mac app finds birds in photo albums or folders and makes individual crops in a framing you choose.

Bzz is a macOS utility that detects Russian–English keyboard-layout mistakes and corrects them as you type.

A browser-based tool for generating, validating, and comparing DNS filtering files for AdGuard Home, Pi-hole, and hosts files.

A phone-based sales, stock, and customer-credit app for Moroccan neighborhood shops, including offline operation.

A paid prospect list for NYC facade-restoration contractors, focused on buildings with cycle 10 SWARMP or UNSAFE reports and no repair work visible in public DOB data.

A paid service that translates federal nursing-home inspection data into single-facility reports or side-by-side comparisons.

A DIY solar estimator turns monthly energy use, location, and system choices into panel, battery, and wiring estimates.

A free, open-source Mac utility that removes music from system audio while leaving speech, singing, and dialogue audible.

An independent guide to Guernsey food, drink, venues, and events, with filters for location, opening times, cuisine, price, and local specialties.

A wage-level calculator estimates how many H-1B lottery entries a salary represents, alongside searchable filing data by employer, job, and location.

Haedal lets interior-construction teams update a shared project schedule and give contractors and customers link-based views.

한녕 is a Mac input method that uses an on-device language model to switch between Korean and English based on context.

An iPhone app offering analog clock widgets with Chinese numeral styles for the Home Screen, Lock Screen, and StandBy.

Heliod captures information from apps a user selects, redacts sensitive details on their Mac, then routes approved captures into team project updates.

HelpNamingMyBaby lets visitors explore baby-name meanings and histories alongside country-specific birth rankings.

Hiker AI lets Garmin inReach users text questions and receive replies of up to 160 characters by satellite.

A first-hand comparison of Tokyo monthly apartments for foreign renters, with all-in 30-night prices and operator rules.

Homerealm describes a desktop app that records a World of Warcraft Forever character’s sessions as a private diary, map, and screenshot album.

A set of calculators for sizing and costing water softeners, well equipment, and water filters, plus converting water-hardness units.

A French app for hunting associations and battue leaders that brings territory maps, hunt-day coordination, safety instructions, and signed registers into one workflow.

A free, open-source Mac app for queueing Higgsfield video generations and organizing the resulting files locally.

A free, no-login calculator for estimating concrete volumes, order quantities, and approximate costs across several common shapes.

A browser-playable synthesizer and drum machine that also comes as a DAW plugin, with Claude translating plain-language prompts into sound settings.

A Mac utility keeps a closed MacBook awake for a chosen session, so coding agents and other long-running jobs can continue without an external display.

A city-by-city guide to dog boarding and daycare prices, fees, and vaccine requirements at 83 facilities.