Best CORE Alternatives (2026)

All India Institute of Medical Sciences Patna, previously Jaya Prakash Narayan All India Institute of Medical Sciences, is a medical college and medical research public institute located in Phulwar...

Multiple astronomy data sources

Curated research-sharing platform: physics, mathematics, quantitative finance, and economics

Random facts and images of space

eSigned certificates issued by Department of Information Technology, Biotechnology and Science &Technology (http://itbt.karnataka.gov.in/pages/home.aspx) can be downloaded through DigiLocker.

Global Biodiversity Information Facility

Access millions of museum specimens from organizations around the world

High Energy Physics info. system

Check if a number is even

ISRO Space Crafts Information

ISRO Launches and Spacecrafts details

Integrated Taxonomic Information System

Spaceflight launches and events database

>Check the [Fulfillment onboarding guide](https://developers.vtex.com/docs/guides/fulfillment). We created this guide to improve the onboarding experience for developers at VTEX. It assembles a...

Migration certificate issued from 2018 onward can now be fetched by Citizens in their DigiLocker account.

Curated experimental data for materials science

Meghalaya Board of School Education (MBOSE) with Marksheets of Class Xth and Class XIIth (Arts , Science, Commerce and Vocational), is availablke on DigiLocker for the students of 2015-2019.

Asterank.com Information

NASA data, including imagery

NASA Astrophysics Data System

Symbolic and Arithmetic Math Calculator

REST API used to access NoctuaSky features

Number of the day, random number, number facts and anything else you want to do with numbers

All about Numbers. REST access with json/xml/jsonp result support. Below is the documentation for the Numbers API. You can try them out right here. Find more information and subscribe at [math.tool...

ISS astronauts, current location, etc

Repository and archive for study designs, research materials, data, manuscripts, etc

Apptigent PowerTools Developer Edition is a powerful suite of API endpoints for custom applications running on any stack. Manipulate text, modify collections, format dates and times, convert curren...

Real Time Air Quality Monitoring

Decodes base64 encoding and parses it to return a solution to the calculation in JSON

A free, open, dataset about research and scholarly activities

Company, vehicle, launchpad and launch data

Sunset and sunrise times for a given latitude and longitude

With this API you can add each of the times introduced in the array sent

Satellite information

Earthquakes data real-time

Water quality and level info for rivers and lakes

The Where to Credit API provides mileage earning calculations for frequent flyer programs around the world.

World Data