Star Chart
Google Sky Map
Code NASA
Open NASA
Star Walk
Alien Sky
Google Open Source
Showcases a huge collection of the latest NASA content

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
Website, pricing, platforms and company facts side by side.
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NASA App
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| Website | nasa.gov | diffyn.com |
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
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As answered by people managing NASA App and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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When comparing NASA App and Diffyn, you can also consider the following products.

Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free. Read more about Star Chart.
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Google Sky Map is a free hand-held planetarium that allows you to identify stars, planets and more.
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Customize sky photos with high-resolution space objects
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