OPBO

What it does

OPBO is an AI-powered validation system that helps founders, indie hackers, freelancers, and product teams evaluate startup ideas before they spend months building. It turns market signals, pain points, paid demand, and competitive gaps into structured validation evidence, helping you decide whether to continue, pivot, validate further, or stop.

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  Validate My SaaS2024 · ▲286

  Validate before you build, not after you ship

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  Gro2019 · ▲268

  A free & simple online tool to validate your business idea

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  Yazero2024 · ▲143

  Validate your business/startup ideas with ease using AI

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  Idealy2021 · ▲85

  Validate your Startup idea before you build it.

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  Founder Validation OS 25d ago · lloydgordon.lemonsqueezy.com · ▲3

  Validate startup ideas & AI-power your customer discovery

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  StartupValidatorJan 2026 · ▲9

  Get feedback, find beta testers, and launch your product.

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  Browzer▲426

  Put your technical content on autopilot

  Growth · 14d ago · trybrowzer.com

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  AstraPixels▲267

  ​​A pixel-art solar system at its real current positions.​

  Growth · 29d ago · astrapixels.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