OpenSign Hosting Live In 5 Minutes

Deploy OpenSign on xCloud and get OpenSign hosting for an e-signature platform with your documents and signing certificate on your own server. xCloud runs the pinned OpenSign web app and API with MongoDB behind an nginx gateway, generates the master key, mounts persistent volumes for the database, documents and certificate, and publishes everything over HTTPS on one domain, ready for you to configure mail.

Deploy your OpenSign

No terminal
No technical skills needed
No lock-in, cancel anytime

What is OpenSign?

OpenSign is an open-source e-signature platform that upstream calls a free and open source alternative to DocuSign. A self-hosted OpenSign lets you upload PDFs or DOCX files, place signature fields and send them to several signers, in sequence if you want. Upstream also lists reusable templates, expiring documents, rejection with a reason, customisable email templates and email code verification for guest signers. The code is under the AGPL-3.0 licence.

On xCloud the install runs OpenSign's web app and API images, MongoDB 7.0.43 and an nginx gateway, all pinned by digest from the main branch because upstream publishes no version tags. Three volumes hold the database, the uploaded and signed documents, and the generated signing certificate. xCloud generates the master key, and mail must be configured before OpenSign can send documents for signature.

From Sign-Up to a Live OpenSign Install In Just 3 Easy Steps

Self-hosting an e-signature platform normally means a database, a signing certificate, a master key and a domain before a single document can be sent. This is the same result without assembling any of it.

Step 01
Sign Up
Create your xCloud account, pick OpenSign from the OneClick catalog, and choose a domain. There are no extra fields — xCloud generates the master key.
Step 02
We Deploy It For You
One click. We bring up the pinned OpenSign server, web app, MongoDB and nginx gateway images, publish the gateway over HTTPS on your domain, and generate the master key.
Step 03
Create Your Account And Send Your First Document
Save the master key shown in the protected installation credentials, allow two to five minutes for first boot, open the HTTPS OpenSign URL to become the administrator, then configure SMTP or Mailgun to send documents for signature.

Everything OpenSign Does, On Your Own Server

OpenSign runs in full here: multi-signer documents, reusable templates and guest verification codes, on infrastructure you control.

Send Documents For Signature
Send PDFs and DOCX files for signature, with multiple signers and signing in sequence.
Reusable Signing Templates
Reuse PDF templates for contracts, NDAs and onboarding forms instead of rebuilding them each time.
Guest Signers Need No Account
Guest signers verify with an emailed code, so the people you send documents to don't need to register.
Expiry And Rejection Built In
Documents expire after a set number of days, and signers can reject a document with a reason.
Customisable Email Templates
Signing invitations, reminders and completion emails all use templates you can customise, once mail is configured.
Data And Signing Certificate Survive A Restart
QA restarted all four containers and confirmed the database, login and signing certificate were intact afterward.

Everything You Need To Run Your Signatures 24/7

Managed hosting for OpenSign, so the parts that keep it online are not your problem.

OpenSign deployed instantly, images pinned by digest
Generated master key for installation secrets
Multi-signer, sequential signing workflows
Free SSL certificate
Server backups and snapshots
Server security updates included
30+ server locations
Unused balance refunded

What You Can Do With OpenSign

Send contracts without a per-seat plan
Upload a contract or NDA, add the signers and send it for signature from your own install, instead of paying a per-seat subscription to a hosted e-signature service.
Collect signatures from people without accounts
Guest signers open the emailed link and verify with an emailed code, so clients and candidates can sign without registering on your server.
Reuse templates for repeat paperwork
Save onboarding forms, NDAs or agreements as PDF templates and send each one again to new signers, rather than placing the fields on every copy.
Keep documents and the signing certificate in-house
Store uploaded and signed documents on a volume you control and sign with a certificate you can replace with your own, instead of leaving them with a vendor.

OpenSign vs Alternatives

DocuSign: DocuSign is a hosted e-signature service. Upstream positions OpenSign as a free and open source alternative to it, which you run on your own server with your documents on your own volume.
Documenso: In an OpenSign vs Documenso comparison, Documenso has its own OneClick page. Its catalogue entry describes self-hosted document signing with PDF workflows, audit trails and email signer invitations, backed by PostgreSQL.
DocuSeal: DocuSeal has its own OneClick page. Its catalogue entry describes legally binding electronic signatures with a form builder and an audit trail on your own server.
PandaDoc: Upstream's README lists PandaDoc among the commercial e-sign platforms OpenSign is meant to be an alternative to; OpenSign is software you host yourself rather than a subscription.

Simple Pricing. Everything Included.

Dedicated Cloud VPS sizes, pre-configured for OpenSign hosting. Pick the one that fits, and resize any time.

Cloud VPS 6 GB

Cloud VPS 16 GB

More signers, more documents in flight.

$59.99per month

16 GB RAM
6 vCPU cores
200 GB NVMe SSD
30 TB
Unlimited

Get started

Cloud VPS 24 GB

OpenSign alongside a whole self-hosted stack.

$84.99per month

24 GB RAM
8 vCPU cores
300 GB NVMe SSD
30 TB
Unlimited

Get started

Every size is a dedicated Cloud VPS we provision, patch, monitor and restore. Billed monthly with no lock-in — delete the server and the unused balance comes back to your account. OpenSign itself is free, open-source software under its own AGPL-3.0 licence.

Docker hosting

Already Have a Server? Bring Your Own

Connect any VPS — DigitalOcean, Vultr, Linode, AWS, Hetzner or bare metal — and deploy OpenSign on it through the same panel, for a per-server management fee instead of a Cloud VPS rental.

Free

Start your journey without cost.

$0forever

1 server
10 sites

Start free

Starter

Professional

The same platform, discounted at 6–10 servers.

$4per server / month

6–10 servers
Unlimited sites
All features included
Bring any VPS provider

Get started

Agency

The same platform, discounted at 11+ servers.

$3per server / month

11+ servers
Unlimited sites
All features included
Bring any VPS provider

Get started

Priced per connected server, so your rate adjusts automatically as you add or remove servers. You pay your own provider for the server itself.

Self-managed hosting

Ready To Own Your Signing Workflow?

OpenSign on xCloud runs on a dedicated Cloud VPS that we provision, patch, monitor and restore. Deploy faster. Own the server. Stay in control.

Fast Provisioning
Deploy faster using an xCloud Managed Server built with optimized stacks and high-speed SSDs.
Enterprise-grade security
Protect your infrastructure with a free SSL certificate and more advanced security features at no additional cost.
Intuitive Control Panel
From Server creation to application deployment, everything can be managed from our intuitive control panel.

Hear what people are saying about us

See why agencies, developers, startups, and growing businesses choose xCloud to power their projects.

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Frequently Asked Questions

Feel free to contact us with any questions or concerns you may have.

Can you self-host OpenSign with Docker?

Yes, and this template is OpenSign Docker hosting without the setup: the web app, the API server (which bundles LibreOffice for DOCX conversion), MongoDB and an nginx gateway, pinned by digest, with three volumes and a generated master key behind one HTTPS domain. Only the gateway is reachable.

How much RAM does OpenSign need?

The template asks for 1 CPU, 1024 MB of RAM and 10 GB of disk as a floor. The README recommends 2 GB or more when users convert DOCX files, because LibreOffice runs inside the API container. The 6 GB plan is the entry rung here.

How do I sign in to OpenSign for the first time?

Open the site right after install: the first visitor becomes the administrator and creates the organization, and until then anyone who can reach the URL could claim it. Save the generated master key from the protected installation credentials. Allow two to five minutes for first boot.

Can I send documents for signature immediately with OpenSign?

Not until outgoing mail is set up. Add the SMTP group or Mailgun settings in the Environment editor and redeploy. Without it OpenSign runs but sends no signing requests, completed-document or password-reset emails. This was not exercised in QA.

Can anyone create an account on my OpenSign install?

Registration stays open through the API after the administrator exists. The UI hides the sign-up form and self-registered users cannot see the administrator's documents, but no setting closes it. A Basic Auth gate limits registration, though it also blocks outside signers.

Will OpenSign signatures show as trusted in PDF readers?

Not with the default. The certificate created on first boot is self-signed, so PDF readers show the signature as not trusted. Upload your own certificate in OpenSign's settings, or set PFX_BASE64 and PASS_PHRASE together in the Environment editor.

What should I back up on an OpenSign server?

Back up opensign_mongo (database) and opensign_files (uploaded and signed documents) together with the master key, because restoring the database without the matching key breaks document links. Include opensign_signing to keep the same signing certificate and its passphrase.

Backups in xCloud

How do I upgrade OpenSign?

Upstream publishes no version tags, so the install stays on the main-branch image digests pinned on 2026-08-21 until you adopt a newer template version. Back up the volumes and the master key first, then check the upstream release notes. No running site moves to a new build by itself.

Is OpenSign free?

Yes. OpenSign is open source under AGPL-3.0, so signing documents has no per-seat fee. You pay for the Cloud VPS, and you need your own SMTP or Mailgun account before it can send signing requests.

Is OpenSign an alternative to DocuSign?

Upstream describes it that way, and lists multi-signer and sequential signing, templates, guest verification codes and expiring documents. This template adds your own server, but it needs your mail settings, and its default certificate is self-signed, so signatures show as not trusted.

Is there an OpenSign cloud service?

Upstream also runs its own cloud-hosted version at opensignlabs.com. This page is different: xCloud provisions a dedicated Cloud VPS and deploys the open-source OpenSign containers on it, so documents, database and certificate live on your server.

Can I cancel anytime?

Yes. There is no lock-in — cancel any time. Hosting is billed monthly and charged for what you actually use, so when you delete the server the unused balance is refunded to your account, less up to 10% in payment-processing fees.