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1.
Show HN: Awesome J2ME (github.com/hstsethi)
29 points by catstor 1 hour ago | 12 comments
2.
Show HN: Wasda – Experience transformer attention as music (github.com/farukalpay)
2 points by kinders 2 hours ago | discuss
3.
Show HN: Lamina – A compiler backend that is not LLVM or Cranelift (github.com/skuldnorniern)
3 points by skuldnorniern 2 hours ago | discuss
4.
Show HN: Interactive research papers (a big step up from ArXiv HTML) (sciencestack.ai)
5 points by cjlooi 3 hours ago | 4 comments
5.
Show HN: F32 – An Extremely Small ESP32 Board (github.com/pegork)
45 points by pegor 17 hours ago | 4 comments
6.
Show HN: I made a down detector for down detector (downdetectorsdowndetector.com)
550 points by gusowen 1 day ago | 161 comments
7.
Show HN: Long Courrier – A custom web player for a 1h Barber Beats mix (mateo-siam.com)
2 points by Mateleo 3 hours ago | discuss
8.
Show HN: OctoDNS, Tools for managing DNS across multiple providers (octodns.readthedocs.io)
23 points by gardnr 15 hours ago | 1 comment
9.
Show HN: CTON: JSON-compatible, token-efficient text format for LLM prompts (github.com/davidesantangelo)
7 points by daviducolo 5 hours ago | 1 comment
10.
Show HN: RowboatX – open-source Claude Code for everyday automations (github.com/rowboatlabs)
123 points by segmenta 1 day ago | 40 comments
11.
Show HN: DNS Benchmark Tool – Compare and monitor resolvers (github.com/frankovo)
48 points by ovo101 19 hours ago | 27 comments
12.
Show HN: I built a synth for my daughter (bitsnpieces.dev)
1264 points by random_moonwalk 3 days ago | 209 comments
13.
Show HN: Browser-based interactive 3D Three-Body problem simulator (trisolarchaos.com)
237 points by jgchaos 1 day ago | 110 comments
14.
Show HN: Reproducible Dotfiles with Nix Flakes (github.com/momeemt)
2 points by momeemt 7 hours ago | discuss
15.
Show HN: Guts – convert Golang types to TypeScript (github.com/coder)
99 points by emyrk 1 day ago | 30 comments
16.
Show HN: Vibe Prolog (github.com/nlothian)
26 points by nl 21 hours ago | 4 comments
17.
Show HN: Marimo VS Code extension – Python notebooks built on LSP and uv (github.com/marimo-team)
54 points by manzt 19 hours ago | 4 comments
18.
Show HN: I built a Chrome Extension to inject custom UTM parameters into URLs (chromewebstore.google.com)
2 points by RyanDavid 2 hours ago | discuss
19.
Show HN: A subtly obvious e-paper room air monitor (nicolin-dora.ch)
64 points by nomarv 1 day ago | 27 comments
20.
Show HN: Parqeye – A CLI tool to visualize and inspect Parquet files (github.com/kaushiksrini)
159 points by kaushiksrini 2 days ago | 35 comments
21.
Show HN: ESPectre – Motion detection based on Wi-Fi spectre analysis (github.com/francescopace)
207 points by francescopace 2 days ago | 50 comments
22.
Show HN: Continuous Claude – run Claude Code in a loop (github.com/anandchowdhary)
163 points by anandchowdhary 2 days ago | 59 comments
23.
Show HN: Reversing a Cinema Camera's Peripherals Port (3nt3.de)
47 points by 3nt3 2 days ago | 2 comments
24.
Show HN: PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo) (princejs.vercel.app)
150 points by lilprince1218 2 days ago | 68 comments
25.
Show HN: Tokenflood – simulate arbitrary loads on instruction-tuned LLMs (github.com/twerkmeister)
21 points by twerkmeister 1 day ago | discuss
26.
Show HN: PgEdge Control Plane, a declarative API for multi-region Postgres mgmt (github.com/pgedge)
4 points by pgedge_postgres 16 hours ago | discuss
27.
Show HN: Unflip – a puzzle game about XOR patterns of squares (unflipgame.com)
180 points by bogdanoff_2 4 days ago | 53 comments
28.
Show HN: ChunkBack – A Fake LLM API server for testing apps without paying (github.com/4shub)
5 points by forthwall 21 hours ago | discuss
29.
Show HN: Kalendis – Scheduling API (keep your UI, we handle timezones/DST) (kalendis.dev)
18 points by dcabal25mh 2 days ago | 8 comments
30.
Show HN: Building WebSocket in Apache Iggy with Io_uring and Completion Based IO (apache.org)
29 points by spetz 2 days ago | 6 comments

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