Dev tools · alternatives · 2026
24 alternatives to OriginSign
Sign your content. Prove it’s yours.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1GA
Get a unique seal and url that is verifiable. Display a unique badge next to your content that proves there is a human behind the content.
2023 · humanproved.com · its alternatives →
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Cryptographically prove your content is real
Apr 2026 · apps.apple.com · its alternatives →
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Proof.ink▲100Proven immutable data stored on the Steem blockchain
2019 · proof.ink · its alternatives →
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AutographNFT▲89Get your NFTs autographed by your favourite people.
2021 · autographnft.io · its alternatives →
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Arkiv▲67EU AI Act compliance system built for design agencies
May 2026 · arkived.io · its alternatives →
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Decentproof▲79Proof that your multimedia files haven't been modified
2022 · github.com · its alternatives →
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Proofly▲7Verify originality. Track subscriptions. Stay secure.
Nov 2025 · proofly.solutions · its alternatives →
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Free AI video & image detector that admits when it's unsure
Aug 2026 · aiorauthentic.com · its alternatives →
- 13SW
2021 · signed.work · its alternatives →
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SealZero▲6Zero-knowledge proofs for authentic, privacy-safe images
Jan 2026 · sealzero.dev · its alternatives →
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Pulse▲1Sign your work on Bitcoin. Immutable proof of your creation.
May 2026 · tsukulogic.com · its alternatives →
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Prove your online profiles are really yours
Jul 2026 · realhandles.com · its alternatives →
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I built AI Trust Proof — an experiment in recording human good faith on-chain so it can be independently verified by people, software, or (eventually) AI systems. What it does (today) - Lets you sign a plain-English pledge and record its signature hash + metadata on Solana (devnet). - Mints a symbolic NFT badge pointing to that record. - Creates a verification page that shows the pledge, signature, and on-chain proof. What it’s not - No token, no airdrops, no yield. - Not a reputation score or KYC. - Currently just one signal: "Pledge signed." Why - If AI systems begin prioritizing who to…
2025 · aitrustproof.com · its alternatives →
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Blockchain is a wonderful record keeper that can track every transaction that happens in the string.
2014 · blocksignit.com · its alternatives →
- 21
A camera that generates proof your photo is real
Mar 2026 · proof.show · its alternatives →
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Woke up today with a 100-degree fever & found out Google is now our competitor. Last week, we started building signwith.co/ - a simple, pay-per-use e-signature tool for people who are struggling with complex e-sign tools. The plan was to build quietly, run a private beta, get 50 users in 15 days, and then do a launch. Easy peasy. But since Google dropped into the e-signature space - we needed to talk. So after 30 minutes of existential dread, a lot of “what are we even doing?” thoughts, and one strong dose of paracetamol we said, screw it. - let’s change gears. So now we're opening our…
2024 · signwith.co · its alternatives →
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Stamp it before they steal it Blockchain proof
Feb 2026 · iostamp.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →