once
Run a command once, reuse its output for a while.
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This is 1 of 59 launches in command line productivity tools — see how it stacks up on momentum and crowding →
70 other launches read as similar to this one →
Details
- External ID
- 1410885298
- Source
- GITHUB
- Company
- —
- Product
- once
- Website domain
- github.com
- Launched
- Oct. 8, 2026
- Cohort
- —
- Upvotes
- 151
- Upvotes percentile
- 0.90
- Tags
- —
Enrichment
- Niche
- command line productivity tools
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- cli caching tool for reusing command output
- Manually corrected
- False
Could you build this?
Yes A command-line caching utility that runs a command and caches stdout/stderr with a TTL is a simple script easily written in Go, Python, or Rust.
Competitors
Other products that read as similar to this one — 70 launches clear the similarity bar, closest 8 shown.
Attention rank: #6 of 71 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 316 days after the earliest competitor.
- Ez · hn · 2026-08-20 · 6 upvotes · similarity 0.51
- OSWarp · github · 2026-10-09 · 88 upvotes · similarity 0.48
- Foundry · hn · 2026-01-31 · 12 upvotes · similarity 0.48
- Operations · github · 2026-10-02 · 35 upvotes · similarity 0.46
- One-command deploys from your terminal with CreateOS CLI · hn · 2026-04-14 · 8 upvotes · similarity 0.43
- OpenBoot · hn · 2026-02-17 · 10 upvotes · similarity 0.41
- A tiny C program where an LLM rewires its DAG while running · hn · 2026-05-05 · 15 upvotes · similarity 0.41
- Parall · ph · 2026-09-24 · 79 upvotes · similarity 0.41