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Companies tracked by Rails Radar

Hiring signals with observed stack evidence. Showing 961–1008 of 1479 · page 21 of 31.

• Pelican-bicycle alternatives 0 open listings

  discussion=https://news.ycombinator.com/item?id=49696402, title=Show HN: Pelican-bicycle alternatives, In November and December 2025, inspired by Simon Willison’s pelican-riding-a-bicycle benchmark, I had some then-current LLMs create SVGs from thirty similar prompts, such as “Generate an SVG of an octopus operating a pipe organ.” Simon mentioned that experiment on his blog [1]. Nine months have passed and much stronger models have been released, so I tried the experiment again today. The linked site shows the results. Running ten of the prompts through six models at OpenRouter cost about twenty dollars, so I stopped there for now. [1] https://simonwillison.net/2025/Nov/25/

• Pelmet 0 open listings

  discussion=https://news.ycombinator.com/item?id=49742398, title=Show HN: Pelmet – menu bar manager for macOS 27 that hides icons on demand, Hey, super happy to share about Pelmet, a macOS menu bar manager. It started as a side project during macOS 27 beta and just passed over 500 stars on GitHub and 5000+ downloads in a few weeks. This is crazy to me! Since macOS completely changed the menubar architecture in macOS 27 the tools I was using were no longer working at the time, so I decided to build my own. Hadn't build an app in over a decade and things have changed so much since. I'm a design director so of course special attention went in the user experience and aesthetics (Settings with previews, subtle reveal animations, drag&drop and much more) So macOS now knows how to hide icons natively, it does it when a Mac is locked down for an exam for example, Pelmet reuses the hiding part which then lets macOS know which icons should stay visible. The app does call on a private framework (MenuBarClientCore) resolved at runtime and has a safety net in case it fails, it reports hiding is unavailable instead of breaking the bar. Everything else (positions, clicks, previews, etc.) uses public APIs (Accessibility, ScreenCaptureKit). I'm amazed with the reception Pelmet got, seems I wasn't alone to want a simple menu bar tool that does one thing, and (hopefully) does it well ;) Pelmet was built in native Swift, requires no accounts, no analytics, it's just private. Only external call it does is Sparkle for its updates. The project is free and open source (GPLv3) and hopefully makes many people happy. Get the calm back in your menu bar and happy to answer questions

• Pen 0 open listings

  discussion=https://news.ycombinator.com/item?id=49614690, title=Show HN: Pen – A writing tool where conversation is the editor, 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:

• Persistent Jupyter kernel execution and live output streaming in VSCode 0 open listings

  discussion=https://news.ycombinator.com/item?id=49626144, title=Show HN: Persistent Jupyter kernel execution and live output streaming in VSCode, Hi HN, Every time I ran a training loop for a few days via Jupyter Notebook and ran into issues (network disconnected, my laptop suddenly died, etc.), I suffered from losing my ipykernel and cell outputs. I wanted to keep seeing my live outputs right inside the IDE without constantly checking W&B or log files. It is such a hassle. That's why I built Tithon. Let me know what you think!

• Personal Brewlog 0 open listings

  discussion=https://news.ycombinator.com/item?id=49674788, title=Show HN: Personal Brewlog, Built a quick brewlog for personal usage, a memoir of all the beans I've tried and recipes I've messed with. Sort of like a stripped version of beanconquerer.

• PhotoToPattern 0 open listings

  discussion=https://news.ycombinator.com/item?id=49627555, title=Show HN: PhotoToPattern – Turn photos into printable cross-stitch patterns

• Pi-box: Pi coding agent running inside a VM inside WASM inside Electron 0 open listings

  discussion=https://news.ycombinator.com/item?id=49706083, title=Show HN: Pi-box: Pi coding agent running inside a VM inside WASM inside Electron, Project background and human written summary here: https://deepclause.substack.com/p/pie-in-a-box-running-pi-on...

• Pi-jev-auto-mode 0 open listings

  discussion=https://news.ycombinator.com/item?id=49745284, title=Show HN: Pi-jev-auto-mode – a probability model gates Pi's shell commands

• Pi-sync` syncs your pi agent configuration across hosts 0 open listings

  discussion=https://news.ycombinator.com/item?id=49664202, title=Show HN: Pi-sync` syncs your pi agent configuration across hosts

• Picobble 0 open listings

  discussion=https://news.ycombinator.com/item?id=49676451, title=Show HN: Picobble – my daily word puzzle game, I've been designing and running daily puzzle games for my puzzle enthusiast friends for a while now. Finally decided to polish one for public release. It's a bit more demanding of time/effort compared to things like Wordle, but I hope there are some word game enjoyers outside of my friend group who might derive some joy from my little game!

• Picxel 0 open listings

  discussion=https://news.ycombinator.com/item?id=49726346, title=Show HN: Picxel – Turn reference images into pixel-art game assets, Picxel helps indie game developers redraw references as recognizable game assets. GPT interprets the subject and directs the redraw; local algorithms turn the result into a precise pixel grid. Developed and tested primarily with GPT in Codex. Export transparent 32×32, 64×64 or 128×128 PNGs, with up to 16 colors per sprite. Use single-image reveal previews or batches of up to 20 images, in an English or Chinese panel.

• Pingtastic 0 open listings

  discussion=https://news.ycombinator.com/item?id=49710478, title=Show HN: Pingtastic – heartbeat monitoring for cron jobs, plus HTTP/SSL checks

• Pingularity 0 open listings

  discussion=https://news.ycombinator.com/item?id=49741059, title=Show HN: Pingularity – scheduled Ookla/iperf3 speedtest dashboard, outage alerts, I was having intermittent issues with my ISP after switching and was looking for something that would let me easily trend downtimes, speed tests, and latency, but the existing projects out there (speedtest-tracker, myspeed, netcheck, etc.) lacked a few things I needed. I gradually put together my own, it's simple to install and supports Linux, macOS, Windows, and Docker. Interactive demo with sample data: https://demo.pingularity.dev/ Install from https://pingularity.dev then open http://localhost:9000/, local network accessible, password protectable. - Single-binary, no dependencies, self-hosted, no telemetry. - Scheduled Ookla and iperf speed tests with a wide array of settings. - Charts for visualizing download, upload, ping, jitter, and bufferbloat over time. Outage heatmap, live latency and DNS sampling. - Uptime tracking with alerts and notifications. Webhooks with native ntfy and heartbeat. - Manage retention, backups, or delete individual runs. - Prometheus/Grafana with importable dashboard and alert rules. - Customizable, change colours, disable stuff you don't want, remove chart tiles you don't care about. MIT license, https://github.com/pingular/pingularity I used Claude Code and Codex extensively throughout.

• Pinocchio: Harness for Verifiable Work 0 open listings

  discussion=https://news.ycombinator.com/item?id=49687558, title=Show HN: Pinocchio: Harness for Verifiable Work, Hey HN, we've been trying to solve LLM Hallucinations. So we built Pinocchio. Pinocchio is a research preview for AI outputs with provenance and verification built in. Give it a task and source material. For numerics, the values used in the computation are carried directly from the source rather than regenerated by the model across reasoning steps. Pinocchio records the computations and derivations applied to them, and a deterministic verifier can replay and check the resulting computation. The output retains a connection to: • the exact source inputs used • the operations performed on them • the intermediate and final results they produced • the checks those results passed Every output points back to its sources. You can trace it backwards through its derivation and sources. Really looking forward to what you guys think about this. P.S. we're limiting to one run at a time. Other than there are no other restrictions. It does take a while though, so I'd let it be and check back in a while.

• Pinterest Hiring 1 open listing

  url=https://weworkremotely.com/remote-jobs/pinterest-data-scientist-ii-ml-infrastructure, title=Data Scientist II, ML Infrastructure

• Pipnote 0 open listings

  discussion=https://news.ycombinator.com/item?id=49615951, title=Show HN: Pipnote – Share a reminder they can't peek at until it arrives

• Pixel Agents 0 open listings

  discussion=https://news.ycombinator.com/item?id=49648023, title=Show HN: Pixel Agents – A pixel-art mission control for your Claude Code agents

• Pizza Bot 0 open listings

  discussion=https://news.ycombinator.com/item?id=49713894, title=Show HN: Pizza Bot – An inbox for AI agents that work in the background

• Pkgbot 0 open listings

  discussion=https://news.ycombinator.com/item?id=49730611, title=Show HN: Pkgbot – Fast Linux package search engine, I recently switched to NixOS and in the process of setting it up, found the package search on its repo site very clunky and tedious. No permalink to share, no way to find or sort by recency or version. That got me thinking that most repo websites, including aggregators like pkgs.org and repology.org have the same issue with UX (AUR is nice and simple though). So I made https://pkg.bot on top of the excellent Repology data dump specifically with the following subjective goals: - Good, non-bloated, non-clunky UI and UX (opinionated, the way I would like it) - Sorting and filtering across many parameters (license, >version https://dns.toys Source: https://github.com/knadh/pkg.bot

• Plainoldanalytics: Analytics Middlware for Go 0 open listings

  discussion=https://news.ycombinator.com/item?id=49686582, title=Show HN: Plainoldanalytics: Analytics Middlware for Go, I built a middleware that gives you posthog-style analytics in go. It is all first-party. It logs every HTTP request, lets you track users, and lets you record screen sessions. The thing uses DuckDB as the underlying data store. All of my side projects are now Golang + SQLite. I wanted an easy way to just add basic traffic analysis without needing to sign up for or integrate a third party option.

• Plant watering system with Arduino Nano 0 open listings

  discussion=https://news.ycombinator.com/item?id=49727068, title=Show HN: Plant watering system with Arduino Nano

• Play subway surfer inside your Claude Code terminal 0 open listings

  discussion=https://news.ycombinator.com/item?id=49730274, title=Show HN: Play subway surfer inside your Claude Code terminal, Brain-rotting while vibing lol

• Plexus 0 open listings

  discussion=https://news.ycombinator.com/item?id=49732498, title=Show HN: Plexus – Telemetry for hardware teams who could build it but shouldn't, Hi, I'm Ann, building Plexus. We gives hardware teams live dashboards and stored history for your sensor data, so you don't have to build and maintain that setup yourself. You can try it without signing up on our site. I built it because small hardware teams keep ending up with the same homemade stack (InfluxDB, Grafana, a pile of scripts) and one engineer who is the only person who knows how it all fits together. Building it is the easy part. Maintaining it for the life of the company… that's not fun for anyone and it's time taken away from the hardware. We have a free plan for up to 3 devices. Paid plans are $500 a month, and the first 50 startups get a design partnership: $300 a month for the first 6 months in exchange for feedback and a case study. We're early. If you run your own Grafana setup for hardware, I'd love to know: what would it take for you to stop maintaining it? and/or if you work in hardware - have any feedback for us?

• Plurnk (Yet *Another* AI Harness) 0 open listings

  discussion=https://news.ycombinator.com/item?id=49720466, title=Show HN: Plurnk (Yet *Another* AI Harness), I am desperate for feedback on my homebrewed harness, "Plurnk." I've been dogfooding it on my RTX5070Ti with only 16GB VRAM as my daily driver for weeks now and it's genuinely better than everything else available (I'm biased). 1. Curation, not Compaction The model's fully responsible (bitter lesson) for deterministically curating its own context. 2. ANTLR Grammar The dozen verbs for the harness are optimized for model pretraining, looking like markdown while being fully integrated with an EBNF grammar that plugs into an AST for superior workflow and recovery. 3. Universal Resources Everything's addressable by the model through a pseudo-URI interface, including the log entries. 4. Omnipatterns Everything in the repo goes through treesitters which build a complete graph that the model can search with glob, regex, jsonpath, xpath, graph, and sqlite fulltext. 5. Standards MCP2 tools, AG-UI client interface, A2A "agent to agent", plugs into everything through OAI spec + models.dev 6. Interfaces CLI, TUI, and a Neovim plugin, easy to extend, very pluggable 7. Lean Agent Service/Client architecture with lean TUI allows dozens of agents to run on weak hardware. 200MB footprint. 8. Lean Context Achieves all of the "batteries includes" features of a fat harness while the sysprompt is only slightly larger than pi agent's. It started as a proof of concept for my bespoke opinions on what "bitter lesson" actually means, and it's gone so well that I believe others trying to build agentic workflows, especially with local and humble constraints, could benefit from the proven concepts.

• Plutus 0 open listings

  discussion=https://news.ycombinator.com/item?id=49728021, title=Show HN: Plutus – click a release, see what moved on your cloud bill

• Pocket TP Hiring 1 open listing

  url=https://x.com/pockettptech/status/2098532095454818561, title=Turn your travel recommendations into a real business without hiring an agency team. Pocket TP combines mobile storefronts, CRM, and automated booking rails. Ge, matching_tags=rails, description=... agency team. Pocket TP combines mobile storefronts, CRM, and automated booking rails. Get early access to our private beta at https://t.co/B52XBtp8cj, author=@pockettptech, author_name=Pocket TP

• Podimo Hiring 1 open listing

  url=https://podimo.teamtailor.com/jobs/8341659-content-operations-lead, title=Content Operations Lead

• Podomatic Hiring 1 open listing

  url=https://jobs.rubyonrails.org/jobs/35938-rails-developer-at-podomatic-podomatic, title=Rails Developer at Podomatic, description=Rails Developer at Podomatic Full-time Remote (preferably Europe) About us Podomatic is a podcast hosting company. Our mission is to help people start a podcast and thrive. We are a small team that ships a real product, and we are looking f...

• Poems 0 open listings

  discussion=https://news.ycombinator.com/item?id=49719467, title=Show HN: Poems – A programmer's collection on code, faith, and life

• Point at anything in your app, say what you want, get a spec 0 open listings

  discussion=https://news.ycombinator.com/item?id=49723133, title=Show HN: Point at anything in your app, say what you want, get a spec

• Polestar 0 open listings

  url=https://polestar.teamtailor.com/jobs/8319785-salesforce-solution-architect, title=Salesforce Solution Architect

• Pollium 0 open listings

  discussion=https://news.ycombinator.com/item?id=49611974, title=Show HN: Pollium – A new way to study with AI

• Pomeroy v1, give any AI assistant secure access to native macOS apps 0 open listings

  discussion=https://news.ycombinator.com/item?id=49607578, title=Show HN: Pomeroy v1, give any AI assistant secure access to native macOS apps, When I launched Pomeroy last week, I knew I was solving a problem, but I didn't understand the scale! Pretty overwhelmed by the response, and have worked over the weekend to make it EVEN better...So... what could better than giving Claude secure access to your native Apple MacOS apps you ask?.. well, how about connecting ANY AI assistant?That's right... Pomeroy v1 is here, and it's no longer Claude-specific. You can now connect ANY AI assistant to it - Claude, Cursor, Codex, VSCode, Perplexity or even Raycast... the world is your oyster!Same principles apply, nothing leaves your Mac - your assistant gets local-only access to only the apps/tools you allow, your data isn't getting piggybacked through any data-centres.

• Poptimum 0 open listings

  discussion=https://news.ycombinator.com/item?id=49669287, title=Show HN: Poptimum – A Daily Optimization Game, About 10 years ago, when my oldest daughter was a baby, we used to play with animal-shaped fridge magnets. I started trying to pack all of them into the smallest possible area, mostly to make the game more interesting for myself. I remember thinking it could make a surprisingly good optimization game. Now it’s finally built: https://poptimum.fun Poptimum is a daily web game where everyone gets the same set of shapes and tries to pack them as tightly as possible. A new random puzzle is available every day, with scores ranked against other players in your country and worldwide. It works on desktop and mobile.

• PortraitDesk 0 open listings

  discussion=https://news.ycombinator.com/item?id=49615806, title=Show HN: PortraitDesk – A headshot tool that doesn't look like AI slop

• Portspan 0 open listings

  discussion=https://news.ycombinator.com/item?id=49670737, title=Show HN: Portspan – A self-hosted ngrok alternative with wildcard subdomains

• Post-graph-RAG 0 open listings

  discussion=https://news.ycombinator.com/item?id=49645202, title=Show HN: Post-graph-RAG – your RAG still thinks the old CFO is the CFO

• Posterlet 0 open listings

  discussion=https://news.ycombinator.com/item?id=49612451, title=Show HN: Posterlet – Free AI poster maker, unlimited, Feel free to use it.Enjoy.

• Postgres schema review and 3D explorer, run on seven open-source apps 0 open listings

  discussion=https://news.ycombinator.com/item?id=49616278, title=Show HN: Postgres schema review and 3D explorer, run on seven open-source apps

• Postscript Hiring 1 open listing

  url=https://weworkremotely.com/remote-jobs/postscript-director-email-deliverability, title=Director, Email Deliverability

• Pqp, an open-source Discord alternative with watch parties 0 open listings

  discussion=https://news.ycombinator.com/item?id=49735555, title=Show HN: Pqp, an open-source Discord alternative with watch parties

• Practice English Grammar and Pronunciation (Uses Azure Speech) 0 open listings

  discussion=https://news.ycombinator.com/item?id=49677896, title=Show HN: Practice English Grammar and Pronunciation (Uses Azure Speech)

• Pragma Twice 0 open listings

  discussion=https://news.ycombinator.com/item?id=49643036, title=Show HN: Pragma Twice – A dystopian sci-fi themed programming game, Hey HN, I'm Bryan. I released Pragma Twice earlier this week in anticipation for Steam's "Programming Fest". Pragma Twice is a programming puzzle game in the same vein as Untrusted ( https://untrustedgame.com/ ). You have to write real JavaScript code to incrementally improve your playable character's "kernel" over the course of the game. Beating levels autonomously (without keyboard inputs) reveals a competitive time/code golf aspect to the game. I started developing Pragma Twice over 4 years ago after playing Untrusted and loving it. It took so long to develop because I'm not a full time game developer... between my actual job, my kids, and my own self-motivation, it's taken a lot longer than I originally hoped to get this game shipped! It's definitely what you might call a passion project. Anyway, I plan to keep iterating on it, so give it a spin and let me know what you think! A few technical details/challenges: - The game was originally written in vanilla JavaScript, but I later converted it to TypeScript (which had an astonishing ROI) - Uses PixiJS for the graphics and a custom game engine built around Web Workers + SharedArrayBuffer for sandboxing and guarding against things like infinite loops - The web version is hosted on GitHub Pages, which was challenging because of the SharedArrayBuffer requirement (I use https://github.com/gzuidhof/coi-serviceworker to work around this) - The linux/windows versions use Electron - Uses CodeMirror for in-game editor/console - Levels built with LDtk - Automated game testing with Puppeteer Steam: https://store.steampowered.com/app/3528840/Pragma_Twice/ Dev Notes: https://www.bryanpg.com/games/pragma_twice

• PredictionArchive 0 open listings

  discussion=https://news.ycombinator.com/item?id=49661236, title=Show HN: PredictionArchive - Database of Internet Predictions, PredictionArchive is the public database of the world's predictions.

• Prmptree 0 open listings

  discussion=https://news.ycombinator.com/item?id=49697407, title=Show HN: Prmptree – AI email agent with a trust dial, not an on/off switch

• Project Estimator 0 open listings

  discussion=https://news.ycombinator.com/item?id=49623534, title=Show HN: Project Estimator – a free, no sign-up software cost estimator, I got tired of pricing projects by gut feeling, so I built this after numerous cost estimation errors that costed me extra hours of free work.

• Project Management for the Rest of Us 0 open listings

  discussion=https://news.ycombinator.com/item?id=49635077, title=Show HN: Project Management for the Rest of Us, Project and team management software that isn't squeezing every penny out of you because its not built by a massive bloated corp. If you want to use it, its most likely free for whatever your use case is. If you love it, let me know, if you hate it, well, dont let me know cos Im kinda sensitive.

• Prokop 0 open listings

  discussion=https://news.ycombinator.com/item?id=49712098, title=Show HN: Prokop – Open-source AI coding workspace with cross-project memory

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