MarkUp

What it does

Working with AI agents on web changes? Stop typing long descriptions. MarkUp lets you annotate any webpage directly — draw what you want changed, label it, and send a structured visual brief to Claude, ChatGPT, or Copilot. Free. No accounts.

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  MarkUp for Chrome2020 · ▲389

  Turn any URL into a canvas for feedback from your browser

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  MarkUp2020 · ▲454

  Turn your website into a dynamic canvas ready for feedback

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  FunBlocks AI Markdown Editor Oct 2025 · ▲382

  Experience the joy and speed of pure text, with AI copilot

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  Design In The BrowserFeb 2026 · ▲180

  The visual tool for frontend. Point, click, and let AI code.

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  Markdown StudioDec 2025 · ▲126

  Markdown editor built for the AI workflow era

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  AgentEchoJan 2026 · ▲89

  Annotate any webpage UI and export feedback as Markdown

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  Dograh▲592

  The open source VAPI alternative

  Dev tools · 25d ago · dograh.com

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  Meridian▲530

  Don't let your work go unnoticed. Get promoted!

  Dev tools · 20d ago · meridiona.com

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  x1▲516

  Lovable for iPhone apps go from idea to App Store

  Dev tools · 11d ago · x1.new

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  Computable GPU Index (CGI)▲424

  The first open-source price index for GPU compute Discussion | Link

  Dev tools · 10d ago · producthunt.com

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  The GTM Co-Founder▲402

  Open-source GTM skills for technical founders

  Dev tools · 29d ago · gtmcofounder.com

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  Open-Source eInk Bike Computer▲399

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 2d ago · opentrailpaper.com

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  Brew ▲905

  Like Claude design for email marketing

  AI · May 2026 · brew.new

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  Kilo Code for VS Code▲897

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

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  StoreClaw▲805

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

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  PollyReach▲796

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

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  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
  Files.md – Open-source alternative to Obsidian▲730

  Dev tools · May 2026 · github.com