Life & fun · alternatives · 2026
24 alternatives to Ouranos
Weather Forecast & Light Pollution Maps for Astronomers
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Ouranos launched in 2024; newer entries below may have overtaken it.
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Real-time maps to find dark skies for stargazing
13d ago · lightpollutionmap.io · its alternatives →
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- 4TC
For HTML Day 2025 [1], I made a web service that displays the current sky at your approximate location as a CSS gradient. Colours are simulated on-demand using atmospheric absorption and scattering coefficients. Updates every minute, without the use of client-side JavaScript. Source code and additional information is available on GitHub: https://github.com/dnlzro/horizon [1] https://html.energy/html-day/2025/index.html
2025 · sky.dlazaro.ca · its alternatives →
- 5AAAstro App▲291
I really like Stellarium and SkySafari but I felt like these are primarily geared towards exploring the sky but not so much "here are the long list of things I want to see, when can I see them tonight and where". There's also not really a great option I've found that combines sky object planning + location weather details while still being free so I built this. The UI's heavily inspired by NINAs sky atlas + Robinhood. Right now you can: View the altitude chart of objects and 3D view Create lists of objects of interest View the annual max/min daily altitude of an object to find the best…
2024 · astro.sshh.io · its alternatives →
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2019 · sunlight.live · its alternatives →
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Live NASA solar imagery in 12 wavelengths, the moon phase tonight for 200+ cities, and real space weather. Free on iOS and Android. No ads, no signup.
Apr 2026 · lumara-space.app · its alternatives →
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Add data to your travel and real estate searches
2020 · its alternatives →
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- 13EP
A hobby project of mine that was surprisingly easy to put together! I love waking up and seeing the freshly generated image.
2024 · github.com · its alternatives →
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Visualizing the air quality on your street in real time
2017 · its alternatives →
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AstroAlert▲113Know exactly when satellites pass above you.
Nov 2025 · astroalert.app · its alternatives →
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2020 · nomadsunfinder.com · its alternatives →
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Cosmic-light▲84A stunning Dynamic Island Control Center for Windows
Feb 2026 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →