Show HN: StarScope – Free astronomy dashboard for observers outside the US/UK(starscope.live)

12 points by xenophin 4 months ago | 2 comments

Stellarium Web Online Star Map(stellarium-web.org)

80 points by susam 2 years ago | 27 comments

A practical guide to observing the night sky for real skies and real equipment(stargazingbuddy.com)

108 points by constantinum 8 months ago | 18 comments

Sky Calendar(abramsplanetarium.org)

53 points by NaOH 1 year ago | 4 comments

Show HN: Directional antenna alignment using phone motion sensors(star.conor.link)

58 points by cdebeling 2 years ago | 11 comments

Show HN: Chronological List of All the James Webb Telescope Discoveries(jameswebbdiscovery.com)

17 points by joshuawitzer 3 years ago | 3 comments

Show HN: Lathoa, a math app for kids where the AI is wrong on purpose(lathoa.ai)

43 points by thanouil1411 26 days ago | 20 comments

Landing page for Lathoa, a math app for kids aged 10-14 where an AI companion named Errol makes deliberate mistakes for children to find and explain.

Show HN: htmz – a low power tool for HTML(leanrada.com)

911 points by Kalabasa 2 years ago | 215 comments

Project page for htmz, a minimalist 181-byte HTML microframework for building modular web UIs with plain HTML and no dependencies.

Show HN: Glossarie – a new, immersive way to learn a language(glossarie.app)

324 points by jonathanb88 2 years ago | 135 comments

Landing page for Glossarie, an app that teaches French, Italian or Spanish vocabulary by substituting translated words into eBooks you read in your own language.

Show HN: I built an app to stop me doomscrolling by touching grass(touchgrass.now)

1118 points by risquer 1 year ago | 262 comments

Landing page for Touch Grass, an iOS app that blocks distracting apps until the user photographs real grass, verified via Google Vision.

Ask HN: Share your personal website

842 points by susam 9 months ago | 2217 comments

An Ask HN thread inviting users to share their personal websites for a community-maintained directory hosted at hnpwd.github.io.

Show HN: Linkpreview, see how your sites looks in social media and chat apps(linkpreview.xyz)

329 points by fayazara 2 years ago | 81 comments

LinkPreview is a web tool that shows how a URL's link preview will appear on social media and chat apps based on its meta tags.