Open source document signing infrastructure
OpenSign is an enterprise-ready open-source alternative to DocuSign and PandaDoc. Create reusable PDF templates, request multi-party sequential signatures, verify completion certificates, and automate signing via REST API.
Tech StackReact, Node.js, Parse Server, MongoDB
Self-Host DifficultyEasy
License ModelAGPL-3.0
GitHub RepositoryOpenSignLabs/OpenSign
Recommended VPS & Hardware Sizing
Estimated Hosting: $4 - $6/mo (e.g. Hetzner CX22 or DigitalOcean)Min RAM:1 GB
Rec RAM:2 GB
Compute:1 vCPU
Disk Space:10 GB SSD
OpenSign vs DocuSign Comparison Matrix
| Evaluation Criteria | OpenSign (Open Source) | DocuSign (Proprietary) |
|---|---|---|
| Subscription Model | 100% Free Self-Hosted (Unlimited Users) | DocuSign Per-Seat / Usage Billing |
| Data Sovereignty | 100% On-Premise / Your Own VPS | Stored on DocuSign Proprietary Cloud |
| Source Code Audit | Open-Source (AGPL-3.0) | Closed-Source Proprietary Blackbox |
INTERACTIVE TCO MODELEstimated Rate: $33/user/mo
Financial Impact: Migrating from DocuSign to Self-Hosted OpenSign
5 Users (Early Startup)50 Users (Scaleup)200 Users (Enterprise Org)
DocuSign (Cloud SaaS)Per-Seat Tax
$9,900per year ($825/mo)
3-Year Spend:$29,700
* Excludes enterprise SSO add-ons & usage overages
OpenSign (Self-Hosted)Zero Per-Seat Fee
$120per year ($10/mo Linux VPS)
3-Year Compute:$360
* Commodity Hetzner / DigitalOcean compute instance
Cumulative 3-Year ROI+$29,340Net savings across 36 months (99% reduction)
Annual Free Cash:+$9,780/yr
Need C-Level Buy-In? Generate an instant ROI proposal memo to present to your CTO or CFO.
HEAD-TO-HEAD BATTLES // SIDE-BY-SIDE AUDIT
Custom Comparison Engine →Compare OpenSign Head-to-Head
★ PRIMARY REPLACEMENTFOSS vs SaaS
Comprehensive benchmark comparing OpenSign against proprietary DocuSign licensing and features.
View Full Battle Report→
DocumentPEER BENCHMARK
Embedded Document Forms vs Modern Next.js Digital Signatures
Inspect Comparison→
DocumentPEER BENCHMARK
Unlimited Self-Hosted Signatures vs $40/User/Month Paywall
Inspect Comparison→
Core Capabilities & Features
✓Cryptographic Completion Certificates
✓Multi-Signer Sequential Routing
✓Drag-and-Drop PDF Field Builder
✓S3 Storage & Webhook API
Self-Host OpenSign with Docker Compose
Tweak configuration ports, secrets, and volumes live. Download or copy your ready-to-run container file:
1-Click Docker Compose Generator
Generate production-ready container definitions with customizable ports and volumes.
OpenSignAGPL-3.0
100% open-source document e-signature and cryptographic audit trail suite
Difficulty: Easy7,093 ⭐
Configure Parameters
docker-compose.opensign.yml
version: "3.8"
services:
opensign:
image: opensign/opensign:latest
container_name: opensign
restart: unless-stopped
ports:
- "${PORT:-3000}:3000"
environment:
APP_URL: "${APP_URL:-http://localhost:3000}"
SECRET_KEY: "${SECRET_KEY:-ossmatrix_prod_secret_2026}"
volumes:
- opensign_data:/data
volumes:
opensign_data:Frequently Asked Questions: Self-Hosting OpenSign
How do I self-host OpenSign using Docker Compose?
You can deploy OpenSign (OpenSignLabs/OpenSign) on any Linux server by copying the docker-compose.yml template on this page, configuring your desired host port and persistent volume directory, and running 'docker compose up -d'.
How does OpenSign compare to DocuSign?
OpenSign is an open-source, self-hosted alternative to DocuSign built with React, Node.js, Parse Server, MongoDB. Unlike DocuSign ($25 - $40 / user / month), OpenSign has zero per-user licensing fees and keeps 100% of your data on your own infrastructure.
What are the minimum VPS RAM and CPU requirements for OpenSign?
For production self-hosting (Easy difficulty tier), we recommend at least 2 GB RAM (minimum 1 GB), 1 vCPU, and 10 GB SSD storage, which typically costs $4 - $6/mo (e.g. Hetzner CX22 or DigitalOcean).
Is OpenSign free for commercial business use under the AGPL-3.0 license?
Yes. Distributed under the AGPL-3.0 license, OpenSign can be self-hosted internally by businesses and engineering teams of any size without per-seat royalties.
README INTEGRATION // REPO EMBED
Embed Official OpenSign Badge in GitHub README
Served locally from OSSMatrix with Cloudflare global edge caching. Real-time verified alternative status, zero third-party dependencies, sub-5ms load time.
Live Preview:
Markdown Embed (GitHub / GitLab)
[](https://ossmatrix.com/project/opensign)HTML Embed (Docs / Landing Pages)
<a href="https://ossmatrix.com/project/opensign" target="_blank" rel="noopener noreferrer"><img src="https://ossmatrix.com/api/badge/opensign" alt="OpenSign on OSSMatrix" /></a>SIMILAR REPOSITORIES // PEER COMPARISON
All DocuSign Alternatives →