Show HN: Javalamp – A glowing terminal screensaver that keeps your Mac awake
Javalamp is a terminal screensaver designed to keep Mac computers awake while displaying animated ASCII scenes. It requires Python 3.10+ and can be installed via pipx or Homebrew. Users can customize scenes and control the application with various commands.
- ▪Javalamp runs animated ASCII scenes in the terminal and defaults to a warm sunset theme.
- ▪It keeps the Mac awake using the caffeinate command while running.
- ▪Users can add custom scenes and disable the sleep guard if desired.
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | GitHub |
| Canonical URL | https://github.com/breschio/javalamp |
| Publication time | Wed, 20 May 2026 03:24:55 +0000 |
| Retrieval time | 2026-05-20T03:34:59.371Z |
| Last seen | 2026-05-20T03:34:59.371Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | qmn8LSb59429 |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
javalamp A glowing terminal screensaver that keeps your Mac awake. Install From this repo: make install javalamp After the PyPI release: pipx install javalamp javalamp Requires Python 3.10+ and pipx. On macOS: brew install pipx Run javalamp # open the scene picker javalamp java # play the Java scene javalamp matrix # play one scene directly javalamp --cycle # rotate through every scene javalamp -l # list scenes While the picker or a scene is running: arrows navigate enter play t cycle theme q quit What It Does Runs animated ASCII scenes in your terminal. Defaults to the warm sunset theme. Keeps your Mac awake with caffeinate -d -i while running. Restores your terminal cleanly when you quit. Lets you add custom scenes in ~/.config/javalamp/scenes/.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub.