fp.

Show HN: ShadowCat – file transfer through QR Codes in a Browser

https://github.com/unprovable/ShadowCat

28•unprovable•2h ago•14 comments

Show HN: Freenet, a peer-to-peer platform for decentralized apps

https://freenet.org/

315•sanity•22h ago•194 comments

Show HN: Agent.email – sign up via curl, claim with a human OTP

78•adisingh13•20h ago•96 comments

Show HN: Open-source .docx editor library for building document apps

https://github.com/eigenpal/docx-editor

83•thisisjedr•17h ago•14 comments

Show HN: I Dedicated 4 Years to Mastering Offline Password Cracking

246•bojta-lepenye•1d ago•48 comments

Show HN: I made an open-source memory layer for agents

https://agentrecall.cloud

6•MarsB•2h ago•0 comments

Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

https://github.com/helvesec/rmux

174•shideneyu•1d ago•83 comments

Show HN: TLS Certificate Management and PKI

9•zaitanz•9h ago•0 comments

Show HN: I Made a Claude Skill for Spec-Driven Development (SDD)

https://github.com/FredAntB/Spec-Driven-Development

27•NTRIXLM•1d ago•5 comments

Show HN: I made a tactical map-based WWII submarine simulator (public beta)

https://silentshark.app/alpha/

119•epaga•3d ago•40 comments

Show HN: I reverse engineered Apple's video wallpapers

https://github.com/kageroumado/phosphene

414•kageroumado•1d ago•103 comments

Show HN: We're building an open-source battery [video]

https://www.youtube.com/watch?v=xhWBX1eLDr8

5•kirksmith•3h ago•0 comments

Show HN: CPU-only transcription for YouTube, TikTok, X, Instagram videos

https://github.com/kouhxp/yapsnap

91•mrkn1•1d ago•42 comments

Show HN: Sylph – the open-source company brain behind my YC startup

https://github.com/getnao/sylph

6•ClaireGz•7h ago•2 comments

Show HN: Forge – Guardrails take an 8B model from 53% to 99% on agentic tasks

https://github.com/antoinezambelli/forge

672•zambelli•3d ago•242 comments

Show HN: The Hanging Sculptures of the Xiaoxitian

https://funes.world/apps/the-hanging-sculptures-of-the-xiaoxitian

27•hanyangwang•3d ago•7 comments

Show HN: Roughform, a free Browser-Based 3D Creation Tool

https://roughform.app

3•benhmoore•9h ago•1 comments

Show HN: Gaussian Splat of a Strawberry

https://superspl.at/scene/84df8849

526•danybittel•3d ago•196 comments

Show HN: I made a tool for learning scales, chords, and how to combine them

https://projects.alesh.com/intervalkit/

35•aleshh•1d ago•21 comments

Show HN: Superlog (YC P26) – Observability that installs itself and fixes bugs

https://superlog.sh/

71•Magnanten•2d ago•46 comments

Show HN: Headroom – Loudness normalizer and Key+BPM playlist sorter for DJs

https://headroom.ravers.workers.dev/

6•jphfa•18h ago•1 comments

Show HN: Files.md – Open-source alternative to Obsidian

https://github.com/zakirullin/files.md

712•zakirullin•3d ago•350 comments

Show HN: Free Fonts – a collection of 400+ original, open-source typefaces

https://www.mixfont.com/fonts

6•justswim•13h ago•0 comments

Show HN: Lance – image/video generation and understanding in one model

https://github.com/bytedance/Lance

62•cleardusk•1d ago•15 comments

Show HN: Agent-estimate, how long a coding task takes, at agent speed

https://github.com/kiloloop/agent-estimate

4•haoranchg•14h ago•1 comments

Show HN: I made a 3D pose maker for artists

https://setpose.com/

87•augustvdv•2d ago•33 comments

Show HN: Dari-docs – Optimize your docs using parallel coding agents

https://github.com/mupt-ai/dari-docs

23•byhong03•1d ago•7 comments

Show HN: Datasette Agent

https://simonwillison.net/2026/May/21/datasette-agent/

5•simonw•17h ago•1 comments

Show HN: Anyone interested in a tool helps to explore C++ ASTs

https://uvic-aurora.github.io/acav-manual/index.html

4•leomicv•17h ago•1 comments

Show HN: InsForge – Open-source Heroku for coding agents

https://github.com/InsForge/InsForge

61•mrcoldbrew•3d ago•7 comments