Entity resolution and deduplication - exact vs probabilistic matching, explainable merges and unmerge

Forward a Google-managed domain to a URL or IP - 301 vs 302, path forwarding and propagation checks

Convert ebooks on Linux for Kindle - ebook-convert, Calibre GUI and batch ePub, MOBI and PDF conversion

Cross-chain wallet activity monitor - inbound, outbound, approvals, finality and reorg handling

YouTube channel growth guide - CTR, watch time, thumbnails, titles and A/B testing from a 900k channel

EU public procurement tender search (TED) - title, buyer, CPV codes, publication date and deadline

Running split calculator for even-pace race planning - pace, split time and split count

TV show search from TVmaze - status running or ended, premiere date, genres, rating, network, schedule, runtime, IMDb id and plot summary

Peak sun hours and solar irradiance by location - monthly kWh per m2 per day, air temperature and wind from NASA POWER 25-year climatology

SaaS unit economics - LTV, LTV:CAC and CAC payback months from ARPA, margin, churn and CAC

Swiss address and place geocoder from swisstopo - WGS84 latitude and longitude plus LV95 east/north coordinates for any address, place or postcode

Fossil taxon lookup (Paleobiology Database) - classification, occurrences and geological age range

US national debt - total public debt outstanding to the penny with 30-day and 1-year change and average daily increase

Cocktail recipe search by name - ingredients with measures, glass, category, alcoholic or not, instructions and tags from TheCocktailDB

Norwegian train and transit departures - live Entur departures for any stop with line, destination, platform, delays and cancellations

Top DEV Community articles by tag and time window - title, author, reactions, comments, reading time, tags and URL for ai, javascript, webdev, python and more

Survey sample size for a margin of error and confidence level with optional population correction, expected proportion and the z value used

Official Colombian peso per US dollar rate (TRM) with validity dates, change versus the previous period, window average, high, low and history

Solve volts, amps, ohms and watts from any two known values, with milliamps, kilohms and a recommended resistor wattage rating with a 2x margin

Up to 10 Chainlink price feeds read in one batched on-chain call - price, age, heartbeat and staleness for each pair, with a list of stale or unknown feeds