PDFSign

What it does

Every PDF signing tool I tried needed Java, browser plugins, or cloud uploads. I built PDFSign.in to fix that. Native Windows app. Plug in your USB certificate token. Sign in 60 seconds. Or embed a signature/stamp image — no token needed. ✅ 100% offline — files never leave your PC ✅ Batch-sign hundreds of PDFs ✅ No Java. No plugins.NET 10. ✅ RFC 3161 timestamp + PDF encryption 30-day free trial. Now on Microsoft Store.

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  open-pdf-sign2022 · ▲105

  Open-source tool for digitally signing PDFs

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  PDFlasticaJul 2026 · garmahis.com · ▲9

  Sign PDFs offline with typed and drawn signatures

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  kysignedJul 2026 · kysigned.com · ▲13

  E-sign documents by forwarding an email. $0.25.

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  Quick PDF SignJun 2026 · quickpdfsign.com · ▲2

  Sign PDFs free — no uploads, no account, 100% private

• FP
  Free PDF signing over email2016 · signandreturn.com · ▲16
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  Add Your SignatureMay 2026 · addyoursignature.com · ▲3

  Drop a PDF, sign it, done. All in your browser.

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• NW
  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
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  Dev tools · May 2026 · github.com