Dev tools · alternatives · 2026

24 alternatives to Filosign (Beta)
Trustless standard for permanent agreements
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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SignWell▲396Get documents signed quickly, securely & legally
2024 · signwell.com · its alternatives →
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Signaturely▲436Free eSignatures for life, free contract templates
2021 · signaturely.com · its alternatives →
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sproof sign▲80Signing made easy and safe | 100% made for Europe
2021 · sign.sproof.com · its alternatives →
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🔥 The free & Open Source DocuSign alternative. Contribute to OpenSignLabs/OpenSign development by creating an account on GitHub.
2023 · github.com · its alternatives →
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TLDR, Let's Seal gives the finger to Adobe and every doc signing tool (docusign, google, etc) who pay to play with the Adobe Approved Trust List and then charge you for something that should be free. Currently even the person checking if a document/contract is sealed or code is authentic has to also be inside the same Adobe walled garden too. Verification, the part that should be free is the part everyone charges for. Thats the shape Let's Encrypt fixed for TLS, and I wanted the same thing for documents and files. The core idea therefore needed to go a bit beyond e signatures and i…
Jul 2026 · github.com · its alternatives →
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Blockusign▲93Secure Document Signing & Verification Powered by Blockchain
2018 · blockusign.co · its alternatives →
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Firma.dev▲310E-signatures API for your app averaging ~3¢ per envelope
Jun 2026 · firma.dev · its alternatives →
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No trials. No caps. Just sign.
Jan 2026 · git.law · its alternatives →
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Subnoto▲20Electronic signatures rebuilt for modern security
Dec 2025 · subnoto.com · its alternatives →
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Enterprise-Level Document Signing Goes Open-Source
2023 · opensignlabs.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 →
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delegare▲70Hi guys, am building SecureLend.ai and when working on our underwriting agents (free trial, paid after) I had issues with seamless payment options. Of course I looked at x402 which I believe is a great protocol but not a fan of a) sharing private keys with the agent b) having a human in the loop or c) similar workaround e.g. pre-funded wallets So I started building out a solution. For my use case it was important to not only have stablecoins but also a fiat rail which is now implemented using Stripe. Initially I build a mandate system internally but am very glad and big shoutout to the guys…
Apr 2026 · delegare.dev · its alternatives →
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Woleet▲73Bitcoin-anchored proof that documents are authentic
May 2026 · woleet.io · its alternatives →
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Send. Sign. Done. - Smart contracts. No legal headaches.
2025 · wiredsign.com · its alternatives →
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Secure e-signatures with cryptographic proof.
Jul 2026 · signerauthority.com · its alternatives →
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GoSign.work▲37A DocuSign Alternative You Can Self-Host. Truly Unlimited!
Feb 2026 · gosign.work · 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 →