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About

Firma.dev is a pay-as-you-go e-signature API built for developers. At $0.029 per envelope, it's a fraction of the cost of Docusign or HelloSign, with no monthly minimums or setup fees. You get embedded signing and template editors, customer workspaces for multi-tenant apps, and straightforward documentation that gets you integrated in hours. Start building for free, no credit card required.

About

Experience the freedom of limitless digital signing without ever reaching for your wallet. Bring multiple people into the signing process at no extra cost. Close deals, not your wallet. Every signed document comes with a detailed completion certificate, featuring access logs, all at zero cost. Your documents deserve a safe home. Store and organize them for free in our secure OpenSign drive vault. OpenSign is an open source digital signature platform that enables secure signing of documents with ease and efficiency. It's designed to provide a free alternative to commercial e-signature services like DocuSign, offering transparency and customization opportunities to meet your unique business needs. OpenSign allows users to upload documents, request signatures, and sign documents electronically. It uses state-of-the-art cryptographic algorithms to ensure that all documents are signed securely and are legally binding in most countries.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers and engineering teams at startups and mid-sized SaaS companies who need to embed e-signature functionality into their products. Also suits technical founders and CTOs evaluating build-vs-buy for document signing workflows.

Audience

Anyone seeking a solution to sign, store, and secure their documents

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

$9.99 per month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Firma.dev
Founded: 2025
United States
firma.dev/

Company Information

OpenSign
United States
www.opensignlabs.com

Alternatives

Alternatives

SleekSign

SleekSign

Sleek
Kinective Sign

Kinective Sign

Kinective
DocuChain

DocuChain

Pandaverse OÜ
SigningHub

SigningHub

Ascertia
Visma Sign

Visma Sign

Visma Group

Categories

Categories

Integrations

Dropbox
Zapier

Integrations

Dropbox
Zapier
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