Claimby

What it does

Claimby is a free timestamping service for ideas, art, files, or any other type of intellectual property. It is backed by the Ethereum blockchain. Simply choose a file and it will be hashed using a secure SHA-3 algorithm, and it's unique hash written to the blockchain (nothing is uploaded). This hash + blockchain transaction serve as your proof!

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  TimeSeal2023 · timeseal.com · ▲116

  Restoring digital trust, one blockchain timestamp at a time

• BT
  btproof - trusted timestamping on the Bitcoin blockchain2013 · btproof.com · ▲75

  Find information, resources and relevant links for btproof.com. This domain may be for sale.

• SV
  Seal – Verifiable timestamp for your private ideas2022 · docs.planet.ink · ▲113
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  Stampd.io - A document blockchain stamping service2015 · stampd.io · ▲32

  Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.

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  STAMPD.IO2019 · stampd.io · ▲5

  Use the Blockchain to timestamp files with indelible proof.

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  CryptoProof – post proofs to the Ethereum blockchain for free2018 · cryptoproof.org · ▲55

  CryptoProof ran from 2018 to 2021, as a free timestamping service on Ethereum.

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  /dev/null▲472

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

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  Talanoa▲340

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

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  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 27d ago · corespeed.io

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  Krisp Mac▲893

  Record outgoing calls and get transcripts + AI notes

  AI · 2018 · krisp.ai

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  Web.dev by Google▲815

  Learn how to build for the web and see where you stand 🌟

  Dev tools · 2018 · web.dev

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  DrawKit▲765

  MIT licensed SVG illustrations, in 2 styles

  Dev tools · 2018

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  The 1.1.1.1 App▲689

  Faster, more private internet by Cloudflare, now on mobile

  Work · 2018 · apps.apple.com

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  TabNine, an autocompleter for all languages▲607

  Tabnine is the AI code assistant that accelerates and simplifies software development while keeping your code private, secure, and compliant.

  AI · 2018 · tabnine.com

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  1Kprojects▲585

  Neglected side projects for less than $1000.

  Dev tools · 2018 · indiemaker.com