fp.

Show HN: I built an interactive HN Simulator

https://news.ysimulator.run/news

439•johnsillings•23h ago•197 comments

Show HN: OCR Arena – A playground for OCR models

https://www.ocrarena.ai/battle

189•kbyatnal•4d ago•57 comments

Show HN: Fractalbits – S3 compatibe store，1M iops p99～5ms，using Rust and Zig

https://github.com/fractalbits-labs/fractalbits-main

6•thomas_fa•2h ago•0 comments

Show HN: Sparse Matrix-Vector Multiplication that works at 30–90% sparsity

https://github.com/vlejd/macko_spmv

3•vlejd•2h ago•1 comments

Show HN: Deft-Intruder – Real-time malware detection daemon for Linux

https://github.com/539hex/deft-intruder

2•539hex•2h ago•0 comments

Show HN: Datamorph – A clean JSON ⇄ CSV converter with auto-detect

https://datamorphio.vercel.app

19•sumit_entr42•4d ago•6 comments

Show HN: We cut RAG latency ~2× by switching embedding model

https://www.myclone.is/blog/voyage-embedding-migration/

12•vira28•9h ago•3 comments

Show HN: BTreePlus – A cache-optimized B+Tree engine for .NET faster than SQLite

https://www.nuget.org/packages/BTreePlus

2•staloriana•4h ago•0 comments

Show HN: Search London StreetView panoramas by text

https://london.publicinsights.uk

37•dfworks•4d ago•13 comments

Show HN: Cynthia – Reliably play MIDI music files – MIT / Portable / Windows

https://www.blaizenterprises.com/cynthia.html

85•blaiz2025•1d ago•29 comments

Show HN: Stun LLMs with thousands of invisible Unicode characters

https://gibberifier.com

188•wdpatti•1d ago•103 comments

Show HN: I wrote a minimal memory allocator in C

https://github.com/t9nzin/memory

131•t9nzin•1d ago•30 comments

Show HN: Hypercamera – a browser-based 4D camera simulator

https://dugas.ch/4d_creatures/4d_camera.html

15•chronolitus•6d ago•4 comments

Show HN: How I think tabs should be managed in a terminal

https://v0.app/chat/iterm-next-demo-gShY36OWRB7

3•novoreorx•6h ago•0 comments

Show HN: BreakToGoal – A planner calendar that break big goals into tasks

https://breaktogoal.com

2•jtnt101•8h ago•0 comments

Show HN: Colonet – Anonymous forum, no sign-up needed

https://colonet.revantoa.workers.dev

3•mvphauto•8h ago•0 comments

Show HN: Supabase-Test – Fast Isolated Postgres DBs for Testing Supabase RLS

https://www.npmjs.com/package/supabase-test

28•pyramation•4d ago•10 comments

Show HN: Virtual SLURM HPC cluster in a Docker Compose

https://github.com/exactlab/vhpc

56•ciclotrone•5d ago•12 comments

Show HN: Axe - A Systems Programming Language with Builtin Parallelism and No GC

https://axelang.org/

13•death_eternal•22h ago•0 comments

Show HN: I built an interactive map of jobs at top AI companies

https://map.stapply.ai

12•kalil0321•23h ago•4 comments

Show HN: Build the habit of writing meaningful commit messages

https://github.com/arpxspace/smartcommit

109•Aplikethewatch•2d ago•131 comments

Show HN: The Wiki Game - reach target Wikipedia page by clicking hyperlinks only

https://apps.apple.com/us/app/the-wiki-game-wikipedia-game/id6755500017

3•frayo44•11h ago•1 comments

Show HN: I wrote my lecture notes in Typst

https://github.com/zhengnanli/ss-notes

3•subtlemuffins•12h ago•0 comments

Show HN: Forty.News – Daily news, but on a 40-year delay

https://forty.news

436•foxbarrington•2d ago•176 comments

Show HN: Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker

https://wealthfolio.app/?v=2.0

671•a-fadil•4d ago•213 comments

Show HN: Radius.today – Local-first personal CRM

https://radius.today/

3•Xiaoyao6•13h ago•2 comments

Show HN: Kibun (気分) – a decentralized status.cafe alternative I made

https://www.kibun.social/

4•lakshikag•14h ago•0 comments

Show HN: Image to STL – Free AI-powered image to 3D printable model converter

https://imagetostl.org

3•Ethanya•15h ago•0 comments

Show HN: TX-2 ECS – A web framework that treats your app as a world

https://www.tx-2.dev/

4•iregaddr•16h ago•0 comments

Show HN: My first published app – track contraception ring cycle

https://apps.apple.com/us/app/lunella/id6755366887

2•matsucks•17h ago•0 comments