License of a package version classed as permissive, weak, strong or network copyleft, with commercial-use notes.

Compare two packaged foods by barcode: Nutri-Score, NOVA, and per-100 g energy, sugars, saturated fat, salt, fibre and protein.

npm package adoption: downloads last week and month, plus trend within the month and a popularity band.

Additives (E-numbers) declared for a food barcode, with each additive's name and function and an ultra-processing flag.

Does a packaged food fit a vegan, vegetarian, palm-oil-free or gluten-free diet, per its ingredient analysis and labels.

Package health for npm, PyPI, Go, Maven, Cargo or NuGet: maintained, stale or abandoned, deprecation, license, adoption.

Researcher profile by name: works, citations, h-index and institution of the best match, with an ambiguity warning.

Research institution profile by name: type, country, works, citations, h-index and top research topics.

Was a PyPI release yanked? Exact version check with the maintainer's reason, upload date and file count.

Recent versions of a package with publish dates, deprecation flags and release cadence in days between releases.

Journal profile by name: output, citations, h-index, open-access status, DOAJ listing, article fee and quality flags.

PyPI project facts: latest version, Python requirement, license, release freshness and whether the latest is yanked.

Paper profile by DOI: title, journal, year, citations, field-weighted impact, open-access link and retraction state.

Chance of seeing aurora at a latitude and longitude right now, from NOAA's OVATION model, with the Kp index.

Clean bibliographic metadata for a DOI from Crossref: authors, journal, pages, publisher, license, plus a ready citation string.

Verify a citation: does the DOI exist, does its real title match the claimed title, and has it been retracted?

Recent research papers on a topic from OpenAlex: title, year, citations, DOI and open-access link, most relevant first.

Space weather alerts, watches and warnings NOAA issued in the last 1-72 hours, counted by type with headlines.

What current space weather means for HF radio, GPS accuracy, satellites and power grids, with the level driving each.

Has this paper been retracted, corrected or flagged? Notices from Crossref and Retraction Watch for a DOI.