frontpage.
newsnewestaskshowjobs

Open Source @Github

fp.

Open in hackernews

Show HN: Pen – A writing tool where conversation is the editor

https://pen.xyz
3•harleyverse•13h ago
Hi HN, I’m the maker of Pen.

In Pen, you don’t edit the text directly. You write and revise through AI conversations inside the document. Each conversation and the edits it produces stay attached to the relevant text, so you can return to a passage to see how it took shape.

Start with an idea and tell Pen what you want to write. As the text takes shape, click a sentence or select a few words, then tell Pen what you’d like to change. Your selection shows Pen which passage you mean; it doesn't limit the edit. Your request determines what changes—from a single word to the whole piece.

I built Pen to change how writing gets done in the age of AI. What we stand for: 1. No editor. AI writes in your document, not in a chat. 2. Never let AI do your thinking. 3. Every factual claim must be backed by a verifiable source. 4. Collaborative. Readers can suggest changes. You decide what to accept. 5. Free for individuals.

You can try Pen at https://pen.xyz without signing up. I’d love to hear how it feels in practice. How do you like this way of writing and revising versus the usual chat window?

Show HN: Copperhead – Cursor for circuit boards

https://copperhead.sh/
226•animeshchouhan•18h ago•90 comments

Show HN: LLM Attention Visualization

https://ishamf.dev/p/llm-attention-visualizer/
155•ifz•14h ago•24 comments

Show HN: ZWPlayer 3.3.2, a free HTML5 video player with ads and music mode

https://www.zwplayer.com/
2•logicplayer•1h ago•0 comments

Show HN: AI-first open-source alternative to Microsoft and Google Office

https://github.com/injectinglabs/injoffice
3•nickpismenkov•2h ago•3 comments

Show HN: Estimate your AI CO2 footprint

https://llmfootprint.fyi/
4•wyre•2h ago•0 comments

Show HN: VolAnti – Open-source acoustic detector for fibre-optic FPV drones

https://github.com/agamrossen/VolAnti
8•agamrossen•7h ago•0 comments

Show HN: Self-host open-source LLMs on AWS with scale-to-zero

https://github.com/paguasmar/veloxml-deploy
3•paguasmar•3h ago•3 comments

Show HN: Raven – Encrypted messages hidden inside ordinary text

https://sendraven.ink
5•willhieb•4h ago•0 comments

Show HN: Jigsaw Haiku

https://jigsawhaiku.com/
110•windowshopping•4d ago•33 comments

Show HN: Interactive Tree of Life

https://ptree.org/
107•Lucent•5d ago•25 comments

Show HN: Full feature ECS game engine for TypeScript

https://github.com/oasys-works/oecs
2•2khan•6h ago•0 comments

Show HN: SimpleW – Lightweight C# Web Server with optional addons

https://simplew.net/
4•prodbro•10h ago•0 comments

Show HN: Browser-based Nginx config generator with live preview

https://tools.techtransit.org/nginx-generator
4•techgpt•7h ago•0 comments

Show HN: Stuxnet – A reconstructed source code of the infamous cyber-weapon

https://github.com/Sadpainy/Stuxnet
169•CMDDestory•1d ago•50 comments

Show HN: DriveSync – fast Git-styled Google Drive sync CLI

https://github.com/scaleninja/drivesync
18•rohityadavcloud•18h ago•12 comments

Show HN: Making a GBA game with GPT-6 Astra

https://www.spritefusion.com/blog/making-a-game-boy-advance-game-with-gpt-6-astra
8•HugoDz•14h ago•1 comments

Show HN: Pipnote – Share a reminder they can't peek at until it arrives

https://pipnote.app/
4•radomird•11h ago•3 comments

Show HN: Auto-Rig Web – Zero-click 3D humanoid rigging in a Web Worker

https://github.com/nff747/auto-rig-web
2•nff747•8h ago•0 comments

Show HN: GET Together – A social network where you don't need POST to Post

https://gettogether.dev
106•nchudleigh•2d ago•59 comments

Show HN: Genotype: language that compiles to idiomatic TS, Rust and Python

https://genotype-lang.org/
7•kossnocorp•9h ago•0 comments

Show HN: InverSQL: Build SQL interactively in inverse

https://github.com/rentruewang/inversql
4•renchuw•14h ago•0 comments

Show HN: Wg-admin – web UI for an existing WireGuard host

https://github.com/logimaxx/wg-admin
32•vsergione•1d ago•11 comments

Show HN: Browser viz of OpenAI's "spaghetti" Navier–Stokes vortex (illustration)

https://3d-retro.com/experiments/vortex
3•SouthWestAtlas•11h ago•0 comments

Show HN: Mador – Make any DOM reactive with a tiny 80-line Proxy state tuple

https://github.com/marsbos/mador
100•bosmarcel•2d ago•34 comments

Show HN: Rokz: a browser port of a 1990 ASCII dungeon crawler

https://taler.pl/rokz/
2•htaler•11h ago•1 comments

Show HN: A browser IDE for m68000, Z80 assembly (and more), with graphics

https://asm-editor.specy.app/
6•specy•20h ago•1 comments

Show HN: Engrim – A universal, local-first SQLite memory engine for AI CLIs

https://github.com/timgordontg/engrim
90•timgordontg•2d ago•53 comments

Show HN: Linubot – like Grok bot and Hermes had a kid

https://github.com/agent-sh/linubot
3•anotherCodder•12h ago•0 comments

Show HN: Pen – A writing tool where conversation is the editor

https://pen.xyz
3•harleyverse•13h ago•0 comments

Show HN: HomeCat – Design your backyard office

https://myhomecat.com
39•dearilos•1d ago•24 comments