Alternatives

Products that do what Filosign (Beta) does

Trustless standard for permanent agreements

1
SignWell▲396
Get documents signed quickly, securely & legally
2024
2
Signaturely▲439
Free eSignatures for life, free contract templates
2021
3
Agree.com▲1,043
Free e-signature for everyone
2024 · agree.com
4OO
OpenSign – Open source alternative to DocuSign▲545
2023 · github.com
5
Let's Seal – Let's Encrypt for document signing, free and self-hosted▲94
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
6
Sendforsign▲437
Making digital contracts frictionless
2023
7
Blockusign▲93
Secure Document Signing & Verification Powered by Blockchain
2018
8
Clarisign▲254
World's first Al lawyer to sign contracts
2025
9
Fiolet▲152
Direct crypto payments
2023
10
Firma.dev▲325
E-signatures API for your app averaging ~3¢ per envelope
Jun 2026 · firma.dev
11
WorkHub eSignature▲284
Affordable digital signature software
2022
12
Unlimited eSign for founders by Gitlaw▲209
No trials. No caps. Just sign.
Jan 2026 · git.law
13
Paperless.io▲286
Boost productivity with document automation & e-signatures
2022
14
Subnoto▲20
Electronic signatures rebuilt for modern security
Dec 2025 · subnoto.com
15
Blocknify▲71
Sign sensitive documents without sacrificing your privacy.
2018
16
OpenSign™: Open Source DocuSign & more▲109
Enterprise-Level Document Signing Goes Open-Source
2023
17
DeedSign▲86
Free electronic signatures to sign documents
2024
18
Mantle SAFEs▲145
Issue & sign SAFEs for free. No DocuSign required.
Apr 2026 · withmantle.com
19
Legitt e-Signature▲150
AI-native eSign with Contract Intelligence built in
2024
20BA
Blocksign, a Bitcoin service for legally signing any document▲17
2014 · blocksignit.com
21
Authsignal▲125
Passwordless auth, fraud analytics and step-up rules in mins
2022
22SO
Solo, open source FIDO2 security key▲98
2018 · github.com
23
DottedSign▲110
The e-signature solution for your business
2019
24
Woleet▲73
Bitcoin-anchored proof that documents are authentic
May 2026 · woleet.io

Ranked by how close each launch is in meaning, then by votes. Refine with a description →