SF startup events — last 30 days
184 public events since 2026-06-24: funding rounds, new roles, founder posts, company news and code releases across 1,290 tracked SF entities. Today only: today.
2026-07-24 1
- It's getting harder to focus every dayEvery · Hacker News (Algolia API)
2026-07-23 16
- Ask HN: If OpenAI hacked HuggingFace, why aren't OpenAI prosecuted?OpenAI · Hacker News (Algolia API)
- Startup founders urge U.S. government not to shut off Chinese open weight AIOpen · Hacker News (Algolia API)
- Show HN: Echo – Fable-level results at 1/3 the cost using open-weight modelsOpen · Hacker News (Algolia API)
- The arguments against open source AI are badOpen · Hacker News (Algolia API)
- Show HN: Palmier Pro – Open-source macOS video editor built for AIOpen · Hacker News (Algolia API)
- Show HN: Remux – an open-source tmux workspace designed for iPhoneOpen · Hacker News (Algolia API)
- Stripe in talks to buy OpenRouter for ~10BStripe · Hacker News (Algolia API)
- Stripe in talks to buy OpenRouter for about $10BStripe · Hacker News (Algolia API)
- A solid-state “atomic channel” for separating rare earth elementsAtomic · Hacker News (Algolia API)
- Map of Every Clean Water Act (Npdes) Discharge Violation in the USEvery · Hacker News (Algolia API)
- NerdLens: Mirror your computer with cardboard VRCardboard · Hacker News (Algolia API)
- OpenAI’s accidental attack against Hugging Face is science fiction that happenedOpenAI · Hacker News (Algolia API)
- OpenAI and Anthropic unite against open-weight AI risks to their bottom lineOpenAI · Hacker News (Algolia API)
- OpenAI and Anthropic unite against open-weight AI risks to their bottom lineAnthropic · Hacker News (Algolia API)
- OpenAI and Anthropic unite against open-weight AI risks to their bottom lineOpen · Hacker News (Algolia API)
- Cruller: Bun's Zig Runtime, Continued on Zig 0.16Runtime · Hacker News (Algolia API)
2026-07-22 9
- The Beam EngineBeam · Hacker News (Algolia API)
- Show HN: Trifle – Open-source analytics that stores answers, not eventsOpen · Hacker News (Algolia API)
- OpenAI PresenceOpenAI · Hacker News (Algolia API)
- OpenAI Models Escaped and Hacked a Company in Cybersecurity Test Gone WrongOpenAI · Hacker News (Algolia API)
- AMD to invest up to $5B in AnthropicAnthropic · Hacker News (Algolia API)
- Emails Reveal Why a Town Put Bags over Its Flock CamerasTown · Hacker News (Algolia API)
- Every .ru Domain Now Needs Government IDEvery · Hacker News (Algolia API)
- OpenAI says its AI went rogue and launched 'unprecedented' cyber-attackOpenAI · Hacker News (Algolia API)
- Original Apollo 11 Guidance Computer source code for command and lunar modulesApollo · Hacker News (Algolia API)
2026-07-21 9
- Show HN: I left Figma to build a diffusion-based UI design toolFigma · Hacker News (Algolia API)
- OpenAI and Hugging Face address security incident during model evaluationOpenAI · Hacker News (Algolia API)
- It was OpenAI that accidentally breached Hugging FaceOpenAI · Hacker News (Algolia API)
- Judge approves $1.5B Anthropic settlement for pirated books used to train ClaudeAnthropic · Hacker News (Algolia API)
- FreeInk: Open ecosystem for e-readersOpen · Hacker News (Algolia API)
- Show HN: Imagin Raw – A 9MB Open-Source Alternative to Adobe Bridge for MacOpen · Hacker News (Algolia API)
- Google vs. SerpApi: The Court Granted Our Motion to DismissMotion · Hacker News (Algolia API)
- Show HN: Ex Situ – Open-source spatial index of displaced cultural artifactsOpen · Hacker News (Algolia API)
- A Koi Pond Mosaic Made from 10 Pounds of 3D Printer WasteMosaic · Hacker News (Algolia API)
2026-07-20 12
- Stealth Crawlers Are Not a Threat to the Open Web. Bills Targeting Them Would BeOpen · Hacker News (Algolia API)
- Show HN: Read the Tape – Wordle for daytrading, five blind S&P 500 charts a dayBlind · Hacker News (Algolia API)
- Kimi K3, Qwen 3.8, and Anthropic's (Potential) UnravellingAnthropic · Hacker News (Algolia API)
- China’s open-weights AI strategy is winningOpen · Hacker News (Algolia API)
- Nativ: Run frontier open models locally on your MacOpen · Hacker News (Algolia API)
- Soofi – Sovereign Open Source Foundation ModelsOpen · Hacker News (Algolia API)
- Inertia-1: An Open Exploration to a Unified Motion Foundation ModelOpen · Hacker News (Algolia API)
- Kimi K3: The open-weights escalationOpen · Hacker News (Algolia API)
- Inertia-1: An Open Exploration to a Unified Motion Foundation ModelMotion · Hacker News (Algolia API)
- NYC Subway Signals: A Complete Guide (2012)Complete · Hacker News (Algolia API)
- The footprints of every building in NYC – updated weeklyEvery · Hacker News (Algolia API)
- Moonshine: Lets you stream games from your PC to any device running MoonlightStream · Hacker News (Algolia API)
2026-07-19 7
- Motion Sensors and Home Security Gadgets Without CamerasMotion · Hacker News (Algolia API)
- Anthropic runs large-scale code migrations with Claude CodeAnthropic · Hacker News (Algolia API)
- Ollama: All Aboard Open ModelsOpen · Hacker News (Algolia API)
- Inside the Secret Math Society Known Simply as Nicolas BourbakiKnown · Hacker News (Algolia API)
- Show HN: A canvas-based note taking and organizer appCanvas · Hacker News (Algolia API)
- OpenAI reduces Codex Model Context Size from 372k to 272kOpenAI · Hacker News (Algolia API)
- Qwen3.8 is launching and going open-weight soonOpen · Hacker News (Algolia API)
2026-07-18 4
- Anthropic's newest ad is creeping people outAnthropic · Hacker News (Algolia API)
- Young adults are poor despite every metric which suggests otherwiseEvery · Hacker News (Algolia API)
- GPT-5.6 used a prompt to close a 30-year gap in convex optimizationConvex · Hacker News (Algolia API)
- Moonstone: Modern, cross-platform Lua runtime and package manager written in ZigRuntime · Hacker News (Algolia API)
2026-07-17 8
- Meta in Talks to Lease Computing Power to Anthropic in Potential $10B DealAnthropic · Hacker News (Algolia API)
- The state of open source AIOpen · Hacker News (Algolia API)
- Open Book Touch: open-source e-readerOpen · Hacker News (Algolia API)
- PennyLane is an open-source quantum software platform for quantumOpen · Hacker News (Algolia API)
- Apple targets dozens of OpenAI employees with legal lettersOpenAI · Hacker News (Algolia API)
- The human-in-the-loop is tiredLoop · Hacker News (Algolia API)
- Ask HN: Any AWS billing issues known? Amazon forecast of 3 billion dollarsKnown · Hacker News (Algolia API)
- Trump Media to sell instant access to 'market-moving' social postsInstant · Hacker News (Algolia API)
2026-07-16 15
- We rewrote our custom visualisation renderers from SVG to be in CanvasCanvas · Hacker News (Algolia API)
- GPT-5.6 Sol Pro solves open problem in convex optimizationOpen · Hacker News (Algolia API)
- GPT-5.6 Sol Pro solves open problem in convex optimizationConvex · Hacker News (Algolia API)
- Kimi K3: Open Frontier IntelligenceOpen · Hacker News (Algolia API)
- Microsoft Comic Chat is now open sourceOpen · Hacker News (Algolia API)
- LM Studio Bionic: the AI agent for open modelsOpen · Hacker News (Algolia API)
- German AI consortium releases Soofi S, an open 30B model that tops benchmarksOpen · Hacker News (Algolia API)
- Show HN: BambooGrid – Open-source web UI for power grid modeling and power flowOpen · Hacker News (Algolia API)
- Kimi K3: Open Frontier IntelligenceOpen · Hacker News (Algolia API)
- AttoChess, a complete, playable chess program for 16-bit x86 DOS in 278 bytesComplete · Hacker News (Algolia API)
- Ring-Zero: Scaling Zero RL to a Trillion Parameters for Emergent ReasoningEmergent · Hacker News (Algolia API)
- Helium escaping from atmosphere of nearby rocky exoplanet in a habitable zoneHelium · Hacker News (Algolia API)
- Where are YC founders now? OpenAI and Anthropic, mostlyOpenAI · Hacker News (Algolia API)
- Where are YC founders now? OpenAI and Anthropic, mostlyAnthropic · Hacker News (Algolia API)
- EU officials peeved after Anthropic sends junior staffer to testify about safetyAnthropic · Hacker News (Algolia API)
2026-07-15 16
- Fuse – an open source MCP/CLI tool to speed up Claude Code on C# codebasesOpen · Hacker News (Algolia API)
- Funny item co-occurrences in 3.2M Instacart ordersitem · Hacker News (Algolia API)
- OpenAI loses trademark dispute at EU courtOpenAI · Hacker News (Algolia API)
- The OpenAI BubbleOpenAI · Hacker News (Algolia API)
- Inkling: Our Open-Weights ModelOpen · Hacker News (Algolia API)
- Grok Build is open sourceOpen · Hacker News (Algolia API)
- Governments, companies, nonprofits should invest in free, open source AI [pdf]Open · Hacker News (Algolia API)
- Open-source memory for coding agents, synced over SSHOpen · Hacker News (Algolia API)
- Inkling – Open-Weights 975B Parameter LLMOpen · Hacker News (Algolia API)
- Grok Build is open sourceOpen · Hacker News (Algolia API)
- J-space comparisons across open modelsOpen · Hacker News (Algolia API)
- Metal-Organic Frameworks, Chemistry's New Miracle Materials (2018)Miracle · Hacker News (Algolia API)
- The Three-Second Theft: Why AI Voice Fraud Outruns Every DefenceEvery · Hacker News (Algolia API)
- Weathergotchi – an open-source climate TamagotchiOpen · Hacker News (Algolia API)
- Stripe, Advent offer to buy PayPal for more than $53BStripe · Hacker News (Algolia API)
- Show HN: For 10 World Cups, my model's 2 favorites had the champion every timeEvery · Hacker News (Algolia API)
2026-07-14 7
- OpenAI mandates hardware-backed passkeys for Trusted Access Cyber membersOpenAI · Hacker News (Algolia API)
- The Agentic Loop: Three loops in a trench coatLoop · Hacker News (Algolia API)
- Show HN: Rejourney – Open-source revenue leak prediction for web and mobile appsOpen · Hacker News (Algolia API)
- OpenAI's Ad Business Is on Pace to Miss Its Own Forecast by 90%, Analyst SaysOpenAI · Hacker News (Algolia API)
- Indian scientists produce most detailed 3D atlas of the human brainstemAtlas · Hacker News (Algolia API)
- Is x86 ready to ACE it?Ready · Hacker News (Algolia API)
- Success may not matter if you aren't doing what you loveMatter · Hacker News (Algolia API)
2026-07-13 8
- Simulating everything, sort of: The promise and limits of world modelsPromise · Hacker News (Algolia API)
- Latent Space as a New MediumLatent · Hacker News (Algolia API)
- $65K to work at Anthropic? Debate ensues amid IPO waveAnthropic · Hacker News (Algolia API)
- The AI Whale Fall and Open SourceOpen · Hacker News (Algolia API)
- Show HN: Sigwire – a live TUI switchboard for every signal on your Linux boxEvery · Hacker News (Algolia API)
- The infinite scroll may become endangered if controversial Calif. law passesInfinite · Hacker News (Algolia API)
- Show HN: Nobie – an Excel-compatible runtime for agents and humansRuntime · Hacker News (Algolia API)
- Zig Creator Calls Spade a Spade, Anthropic Blows SmokeAnthropic · Hacker News (Algolia API)
2026-07-12 4
- Show HN: Juggler – an open-source GUI coding agent, by the creator of JUCEOpen · Hacker News (Algolia API)
- 6 months to live for open modelsOpen · Hacker News (Algolia API)
- Storm clouds gather over America's financial supremacyGather · Hacker News (Algolia API)
- Kode Dot Programmable pocket device for makers, pentesters and geeksPocket · Hacker News (Algolia API)
2026-07-11 9
- What Every Python Developer Should Know About the CPython ABIEvery · Hacker News (Algolia API)
- C++20 Improved the For-Loop SyntaxLoop · Hacker News (Algolia API)
- Using PowerShell over SSH, Twenty Years LaterTwenty · Hacker News (Algolia API)
- OpenAI Forked Git on GitHubOpenAI · Hacker News (Algolia API)
- RISCBoy is an open-source portable games console, designed from scratchOpen · Hacker News (Algolia API)
- I built TradingSpy: local, privacy-first AI trading assistant(First Open Source)Open · Hacker News (Algolia API)
- Leaded gas was a known poison the day it was invented (2016)Known · Hacker News (Algolia API)
- Mesh LLM: distributed AI computing on irohMesh · Hacker News (Algolia API)
- Show HN: Ant – A JavaScript runtime and ecosystemRuntime · Hacker News (Algolia API)
2026-07-10 18
- The zero-cost fallacy: open-source software in the agentic eraOpen · Hacker News (Algolia API)
- An unusual way for your DHCP server to run out of dynamic IPsUnusual · Hacker News (Algolia API)
- Zeal 8-Bit ComputerZeal · Hacker News (Algolia API)
- Apple sues OpenAI, accuses ex-employees of stealing trade secretsOpenAI · Hacker News (Algolia API)
- Apple sues OpenAI, accusing it of stealing company secretsOpenAI · Hacker News (Algolia API)
- Apple Sues OpenAI, Alleging It Stole Trade SecretsOpenAI · Hacker News (Algolia API)
- Guy is banned by OpenAI for cyber abuse, his AI appeals, another AI approves itOpenAI · Hacker News (Algolia API)
- Apple sues OpenAI, two former employees for trade secrets theftOpenAI · Hacker News (Algolia API)
- Apple files lawsuit accusing OpenAI of stealing trade secretsOpenAI · Hacker News (Algolia API)
- Successful companies go blindBlind · Hacker News (Algolia API)
- China's Open AI Models Are Advancing Its Global Soft PowerOpen · Hacker News (Algolia API)
- Show HN: SubjectiveZero, an open-source agentic node editor for creative codingOpen · Hacker News (Algolia API)
- War Atlas: An interactive cartography of every named war in human historyAtlas · Hacker News (Algolia API)
- Punk, or why I don't stream anymoreStream · Hacker News (Algolia API)
- War Atlas: An interactive cartography of every named war in human historyEvery · Hacker News (Algolia API)
- Disable autoplay and infinite scroll or risk fines, EU tells MetaInfinite · Hacker News (Algolia API)
- Ben Bernanke Joins Anthropic Oversight TrustAnthropic · Hacker News (Algolia API)
- China may restrict foreign access to Chinese open-source AI modelsOpen · Hacker News (Algolia API)
2026-07-09 8
- Show HN: Wyrm – Solve algebra by touch, built on an open-source soundness engineOpen · Hacker News (Algolia API)
- OpenAI faked inability to search training data, hid billions of logs, NYT saysOpenAI · Hacker News (Algolia API)
- New York Times says OpenAI hid evidence in ChatGPT copyright trialOpenAI · Hacker News (Algolia API)
- GLM 5.2 is nearly as accurate as a human book keeperKeeper · Hacker News (Algolia API)
- Show HN: I mapped 8.5M research papers into an interactive atlasAtlas · Hacker News (Algolia API)
- PostHog FOSSPostHog · Hacker News (Algolia API)
- How GitHub gave every repository a durable ownerEvery · Hacker News (Algolia API)
- Transparency efforts behind the Helium BrowserHelium · Hacker News (Algolia API)
2026-07-08 9
- The 'absolute magic' of Morse code that still connects people globallyMagic · Hacker News (Algolia API)
- The social physics of conversation: Communication patterns matterMatter · Hacker News (Algolia API)
- The classifiers Anthropic puts in front of Fable are too zealousAnthropic · Hacker News (Algolia API)
- Chatto is now open sourceOpen · Hacker News (Algolia API)
- Open Source Barware: free, local-first bar inventory software (GPLv3)Open · Hacker News (Algolia API)
- Benchmarking coding agents on Databricks' multi-million line codebaseDatabricks · Hacker News (Algolia API)
- Show HN: Microsoft releases Flint, a visualization language for AI agentsFlint · Hacker News (Algolia API)
- Unicode's transliteration rules are Turing-completeComplete · Hacker News (Algolia API)
- Reform UK leader 'in real trouble' against Count BinfaceReform · Hacker News (Algolia API)
2026-07-07 7
- A verification loop 4x'd DeepSeek's intelligence, matching Opus at 1/7 the costLoop · Hacker News (Algolia API)
- Show HN: Rowboat – Open-source, local-first alternative to Claude DesktopOpen · Hacker News (Algolia API)
- Show HN: Halo – open-source, tamper-evident runtime evidence for AI agentsOpen · Hacker News (Algolia API)
- Show HN: Yamanote.fun – A complete soundscape for Tokyo's Yamanote lineComplete · Hacker News (Algolia API)
- Every new car sold in the European Union must include a driver monitoring cameraEvery · Hacker News (Algolia API)
- l: A new runtime for k and qRuntime · Hacker News (Algolia API)
- Show HN: Halo – open-source, tamper-evident runtime evidence for AI agentsRuntime · Hacker News (Algolia API)
2026-07-06 8
- Ask HN: Are systems ready for the first negative leap second?Ready · Hacker News (Algolia API)
- Anthropic's Method to Losing Goodwill in a Few Easy StepsAnthropic · Hacker News (Algolia API)
- OpenWrt One – Open Hardware RouterOpen · Hacker News (Algolia API)
- Show HN: Otari: your open-source LLM control planeOpen · Hacker News (Algolia API)
- What is Bending Spoons? The little-known AOL and Vimeo owner that's now publicKnown · Hacker News (Algolia API)
- Poly/ML – A Standard ML ImplementationPoly · Hacker News (Algolia API)
- Cargo-nextest: 3x faster than cargo test, per-test isolation, first-class CICargo · Hacker News (Algolia API)
- Harman and Dr. Sean Olive are reshaping headphone sound (2025)Olive · Hacker News (Algolia API)
2026-07-05 5
- Anthropic performing prompt injection on its usersAnthropic · Hacker News (Algolia API)
- Show HN: Homegames. An open-source game platform I've been making for 8 yearsOpen · Hacker News (Algolia API)
- Every postcard tells a storyEvery · Hacker News (Algolia API)
- Japan's Hayabusa2 probe to conduct flyby of Torifune asteroidAsteroid · Hacker News (Algolia API)
- Understanding B-Tree Indexes in PostgreSQL: A Comprehensive Guide– Part 1Comprehensive · Hacker News (Algolia API)
2026-07-04 1
- Olive – Lisp VSCode Extension (Alternative to Alive)Olive · Hacker News (Algolia API)
2026-07-03 3
- Anatomy of Persistent Memory's 3 Layers: Comparing ContextNest, Mem0 and ZepMem0 · Hacker News (Algolia API)
- EVE Online's Carbon engine is now open source: Fenris Creations explains whyOpen · Hacker News (Algolia API)
- Steam Controller Auto-Charge – pilot to magnetic charging puck using CVMagnetic · Hacker News (Algolia API)
Part of SF Startup Pulse — a living, agent-readable map of San Francisco's startup ecosystem by HiRey. Free to read, no auth, no tracking. Machine surfaces: llms.txt · datasets · JSON Feed · RSS · sitemap. Data updated 2026-07-24.