Best of Show HN of May, 2025

best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2024 best of 2023 best of 2023 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents

#1 Show HN: Clippy – 90s UI for local LLMs

1122 points | 273 comments | May 06, 2025 | by felixrieseberg

#2 Show HN: Free, in-browser PDF editor

791 points | 182 comments | May 03, 2025 | by philjohnson

#3 Show HN: Real-time AI Voice Chat at ~500ms Latency

524 points | 227 comments | May 05, 2025 | by koljab

#4 Show HN: I built a synthesizer based on 3D physics

512 points | 123 comments | May 02, 2025 | by humbledrone

#5 Show HN: Hyvector – A fast and modern SVG editor

331 points | 92 comments | May 09, 2025 | by jansan

#6 Show HN: My AI Native Resume

301 points | 194 comments | May 05, 2025 | by jhgaylor

#7 Show HN: VectorVFS, your filesystem as a vector database

279 points | 138 comments | May 05, 2025 | by perone

#8 Show HN: Using eBPF to see through encryption without a proxy

259 points | 78 comments | May 08, 2025 | by tylerflint

#9 Show HN: KVSplit – Run 2-3x longer contexts on Apple Silicon

259 points | 39 comments | May 16, 2025 | by dipampaul17

Web3 Jobs – Start a career in Web3

Blockchain, Solidity, Smart Contracts and Crypto Jobs

#10 Show HN: eInk optimized manga with Kindle Comic Converter (+Kobo/ReMarkable)

240 points | 49 comments | May 07, 2025 | by seam_carver

#11 Show HN: HelixDB – Open-source vector-graph database for AI applications (Rust)

234 points | 107 comments | May 13, 2025 | by GeorgeCurtis

#12 Show HN: Visual flow-based programming for Erlang, inspired by Node-RED

234 points | 96 comments | May 16, 2025 | by Towaway69

#13 Show HN: GPT-2 implemented using graphics shaders

228 points | 25 comments | May 02, 2025 | by nathan-barry

#14 Show HN: Aberdeen – An elegant approach to reactive UIs

224 points | 129 comments | May 09, 2025 | by vanviegen

#15 Show HN: Muscle-Mem, a behavior cache for AI agents

217 points | 51 comments | May 14, 2025 | by edunteman

#16 Show HN: I taught AI to commentate Pong in real time

207 points | 52 comments | May 02, 2025 | by pncnmnp

#17 Show HN: Sheet Music in Smart Glasses

205 points | 25 comments | May 06, 2025 | by kevinlinxc

#18 Show HN: Roons – Mechanical Computer Kit

203 points | 30 comments | May 01, 2025 | by uncial

#19 Show HN: Driverless print server for legacy printers, profit goes to open-source

188 points | 42 comments | May 04, 2025 | by ValdikSS

#20 Show HN: Min.js style compression of tech docs for LLM context

175 points | 52 comments | May 15, 2025 | by marv1nnnnn

#21 Show HN: Airweave – Let agents search any app

175 points | 39 comments | May 12, 2025 | by lennertjansen

#22 Show HN: Semantic Calculator (king-man+woman=?)

174 points | 172 comments | May 14, 2025 | by nxa

#23 Show HN: TextQuery – Query CSV, JSON, XLSX Files with SQL

163 points | 57 comments | May 05, 2025 | by shubhamjain

#24 Show HN: OSle – A 510 bytes OS in x86 assembly

160 points | 32 comments | May 02, 2025 | by shikaan

#25 Show HN: Lumier – Run macOS VMs in a Docker

156 points | 52 comments | May 14, 2025 | by GreenGames

Don't miss when the next Dropbox or Stripe launches

#26 Show HN: Bracket – selfhosted tournament system

153 points | 38 comments | May 05, 2025 | by tripleseven

#27 Show HN: Blast – Fast, multi-threaded serving engine for web browsing AI agents

145 points | 66 comments | May 02, 2025 | by calebhwin

#28 Show HN: Basecoat – shadcn/UI components, no React required

143 points | 77 comments | May 13, 2025 | by hunvreus

#29 Show HN: Real-Time Gaussian Splatting

141 points | 51 comments | May 15, 2025 | by markisus

#30 Show HN: Xenolab – Rasp Pi monitor for my pet carnivourus plants

132 points | 55 comments | May 10, 2025 | by malux85

#31 Show HN: Plexe – ML Models from a Prompt

130 points | 49 comments | May 06, 2025 | by vaibhavdubey97

#32 Show HN: Kubetail – Real-time log search for Kubernetes

126 points | 35 comments | May 01, 2025 | by andres

#33 Show HN: I’ve built an IoT device to let my family know when I’m in a meeting

120 points | 77 comments | May 11, 2025 | by delduca

#34 Show HN: CLI that spots fake GitHub stars, risky dependencies and licence traps

120 points | 70 comments | May 12, 2025 | by artski

#35 Show HN: Code Claude Code

117 points | 25 comments | May 10, 2025 | by sean_

#36 Show HN: US Routing – Python library for fast local routing in the US

114 points | 26 comments | May 07, 2025 | by ivanbelenky

#37 Show HN: Undetectag, track stolen items with AirTag

110 points | 98 comments | May 15, 2025 | by pompidoo

#38 Show HN: Oliphaunt – A native Mastodon client for macOS

105 points | 39 comments | May 09, 2025 | by anosidium

#39 Show HN: Use Third Party LLM API in JetBrains AI Assistant

102 points | 40 comments | May 03, 2025 | by Stream

#40 Show HN: Whippy Term - GUI terminal for embedded development (Linux and Windows)

96 points | 14 comments | May 06, 2025 | by SurvivorTed

#41 Show HN: A5

95 points | 29 comments | May 13, 2025 | by pheelicks

#42 Show HN: A backend agnostic Ruby framework for building reactive desktop apps

92 points | 34 comments | May 09, 2025 | by zero-st4rs

#43 Show HN: Lumoar – Free SOC 2 tool for SaaS startups

91 points | 32 comments | May 12, 2025 | by asdxrfx

#44 Show HN: Easel – Code multiplayer games like singleplayer

88 points | 43 comments | May 14, 2025 | by BSTRhino

#45 Show HN: Tkintergalactic - Declarative Tcl/Tk UI Library for Python

86 points | 10 comments | May 05, 2025 | by leontrolski

#46 Show HN: I’m 16 years old and working on my first startup, a study app

82 points | 126 comments | May 11, 2025 | by WilliamCranna

#47 Show HN: Journelly for iOS: like tweeting but for your eyes only (in plain text)

81 points | 64 comments | May 04, 2025 | by xenodium

#48 Show HN: SQL-tString a t-string SQL builder in Python

81 points | 32 comments | May 16, 2025 | by pgjones

#49 Show HN: CodeCafé – A real-time collaborative code editor in the browser

81 points | 11 comments | May 05, 2025 | by mrktsm__

#50 Show HN: Klavis AI – Open-source MCP integration for AI applications

79 points | 50 comments | May 05, 2025 | by wirehack

#51 Show HN: GlassFlow – OSS streaming dedup and joins from Kafka to ClickHouse

78 points | 32 comments | May 11, 2025 | by super_ar

#52 Show HN: Codigo – The Programming Language Repository

78 points | 24 comments | May 10, 2025 | by adamjhf

#53 Show HN: Hyperparam: OSS tools for exploring datasets locally in the browser

77 points | 21 comments | May 01, 2025 | by platypii

#54 Show HN: Reverse Pac-Man

75 points | 47 comments | May 05, 2025 | by Eagle64

#55 Show HN: LoopMix128 – Fast C PRNG (.46ns), 2^128 Period, BigCrush/PractRand Pass

75 points | 34 comments | May 10, 2025 | by the_othernet

#56 Show HN: Rv, a Package Manager for R

71 points | 30 comments | May 16, 2025 | by Keats

#57 Show HN: Hyper – Standards-first React alternative

70 points | 85 comments | May 09, 2025 | by tipiirai

#58 Show HN: Feedsmith — Fast parser & generator for RSS, Atom, OPML feed namespaces

70 points | 9 comments | May 06, 2025 | by macieklamberski

#59 Show HN: Outpost – OSS infra for outbound webhooks and event destinations

67 points | 8 comments | May 06, 2025 | by alexbouchard

#60 Show HN: Merliot – plugging physical devices into LLMs

66 points | 16 comments | May 17, 2025 | by sfeldma

#61 Show HN: Workflow Use – Deterministic, self-healing browser automation (RPA 2.0)

65 points | 20 comments | May 16, 2025 | by gregpr07

#62 Show HN: BlenderQ – A TUI for managing multiple Blender renders

64 points | 6 comments | May 09, 2025 | by TechSquidTV

#63 Show HN: Hydra (YC W22) – Serverless Analytics on Postgres

60 points | 33 comments | May 09, 2025 | by coatue

#64 Show HN: Sneakers (1992) in Your Terminal

60 points | 7 comments | May 07, 2025 | by ryan-c

#65 Show HN: Solidis – Tiny TS Redis client, no deps, for serverless

57 points | 7 comments | May 16, 2025 | by jayl-e-e

#66 Show HN: Pipask – safer pip without compromising convenience

52 points | 38 comments | May 03, 2025 | by Feynmanix

#67 Show HN: CSV GB+ by Data.olllo – Open and Process CSVs Locally

51 points | 22 comments | May 14, 2025 | by olllo

#68 Show HN: I built a 7-day calendar app – no months or years, just the next 7 days

45 points | 32 comments | May 05, 2025 | by nbagersh

#69 Show HN: Robot Unlock – an open-ended programming game/zachlike

43 points | 11 comments | May 01, 2025 | by adrianton3

#70 Show HN: EZ-TRAK Satellite Hand Tracking Suite

41 points | 13 comments | May 04, 2025 | by benbojangles

#71 Show HN: Convert Large CSV/XLSX to JSON or XML in Browser

41 points | 13 comments | May 01, 2025 | by Botlabs

#72 Show HN: Mycelium

40 points | 8 comments | May 10, 2025 | by brendoncarroll

#73 Show HN: Fahmatrix – A Lightweight, Pandas-Like DataFrame Library for Java

37 points | 5 comments | May 17, 2025 | by mousomashakel

#74 Show HN: A free AI risk assessment tool for LLM applications

36 points | 12 comments | May 15, 2025 | by percyding99

#75 Show HN: AG-UI Protocol – Bring Agents into Frontend Applications

34 points | 5 comments | May 13, 2025 | by swiftlyTyped

#76 Show HN: Agents.erl (AI Agents in Erlang)

33 points | 27 comments | May 07, 2025 | by arthurcolle

#77 Show HN: 100.st – Dev utilities I built for format conversions and encoding

33 points | 22 comments | May 04, 2025 | by abdelbkk

#78 Show HN: VoltAgent – Open-Source Observability-First TS AI Agent Framework

32 points | 6 comments | May 04, 2025 | by omeraplak

#79 Show HN: Test your typing speed and accuracy with movie scripts

31 points | 10 comments | May 08, 2025 | by andout_

#80 Show HN: Ductape – Build back end integrations once, reuse them anywhere

29 points | 19 comments | May 05, 2025 | by Ifedayo_s

#81 Show HN: Extension for full-text browser history search

29 points | 11 comments | May 08, 2025 | by ApbNfMR

#82 Show HN: MP3 File Editor for Bulk Processing

28 points | 17 comments | May 03, 2025 | by cutandjoin

#83 Show HN: MMORPG prototype inspired by World of Warcraft

28 points | 9 comments | May 12, 2025 | by nickyvanurk

#84 Show HN: Exhibit and Site on Mechanisms for Students

28 points | 6 comments | May 02, 2025 | by sturbes

#85 Show HN: OpenRouter Model Price Comparison

27 points | 13 comments | May 06, 2025 | by pacific01

#86 Show HN: A motherfucking app (does one thing, under 300 LOC)

26 points | 28 comments | May 02, 2025 | by adnjoo

#87 Show HN: Checking Pope's election results with smoke test script for chimney

26 points | 12 comments | May 08, 2025 | by vasusen

#88 Show HN: The missing inbox for GitHub pull requests

26 points | 7 comments | May 12, 2025 | by pvcnt

#89 Show HN: Make your own voice AI in two clicks

25 points | 9 comments | May 13, 2025 | by unmute-sh

#90 Show HN: Maybe – The personal finance app for everyone

25 points | 6 comments | May 02, 2025 | by constantinum

#91 Show HN: PLAttice, for assembling structures much larger than the 3D printer bed

24 points | 6 comments | May 10, 2025 | by zakqwy

#92 Show HN: Heygem AI – An Open Source, Free Alternative to Heygen AI

24 points | 3 comments | May 15, 2025 | by heygem-ai-new

#93 Show HN: An AI-first visual editor using GPT-4o's GPT-image-1 model

23 points | 8 comments | May 08, 2025 | by buss_jan

#94 Show HN: Prompt Inspector – A browser-like inspect tool for prompts

23 points | 4 comments | May 13, 2025 | by Nachiketh10

#95 Show HN: Blog comments, nice looking, open source – Talkyard

23 points | 3 comments | May 12, 2025 | by KajMagnus

#96 Show HN: AnuDB– Backed on RocksDB, 279x Faster Than SQLite in Parallel Workloads

22 points | 14 comments | May 06, 2025 | by hashmak_jsn

#97 Show HN: Tako, a Knowledge Search API

22 points | 12 comments | May 14, 2025 | by ttobbaybbob

#98 Show HN: Got laid off. Got sick of ghost jobs. Built something

20 points | 11 comments | May 01, 2025 | by ghostjobs

#99 Show HN: YapCards (iOS) – Voice-driven flashcards with AI feedback

20 points | 8 comments | May 15, 2025 | by DonEsquire

#100 Show HN: Sprigman – Pac-Man Recreated in a Limited Tile Based JavaScript Engine

20 points | 6 comments | May 07, 2025 | by kuberwastaken

Get Top 5 Posts of the Week

best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2024 best of 2023 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents

andrey azimov

by Andrey Azimov