100% Open Source · AGPL v3 · Self-Hosted

Free Open Source CLM Contract Lifecycle Management

Manage every contract from draft to renewal with OpenCLM — free, open source contract lifecycle management software. Self-host approval workflows, role-based access control, e-signatures, clause libraries and obligation tracking with zero licensing costs.

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Open Source
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Built for compliance-conscious legal, procurement & finance teams

SOC 2 Ready
GDPR Compliant
ISO 27001 Ready
HIPAA Compatible
SOX Controls
Full Audit Trail
Comprehensive Platform

Everything You Need to Manage the Contract Lifecycle

From authoring and negotiation to approval, signing, renewal and compliance — OpenCLM covers the entire contract lifecycle with enterprise-grade, fully open source capabilities.

Contract Authoring & Repository

A central, searchable repository for every contract. Draft new agreements in a rich-text editor with version history and full metadata.

  • Centralized contract repository
  • Rich-text editor with version control
  • Metadata, tagging & full-text search
  • Complete contract audit trail

Approval Workflows & RBAC

Configurable multi-stage approval policies routed by role, contract value and status transition — with escalation timeouts and a complete audit history.

  • Sequential & parallel approvals
  • Policy routing by value & status
  • 12 built-in roles, granular permissions
  • Automatic escalation & notifications

Electronic Signatures

Send contracts for legally binding, multi-party e-signature through the built-in OpenSign integration with tamper-evident audit trails.

Template & Clause Library

Standardize agreements with reusable templates and a version-controlled library of pre-approved, fallback and conditional clauses.

Deadline & Renewal Tracking

Automated 30/60/90-day reminders for renewals, expirations and key milestones so you never miss a critical contract date again.

Obligation & Compliance Monitoring

Track obligations, milestones and performance against contract terms with automated compliance checks for GDPR, HIPAA and SOX, plus audit-ready reports.

Analytics & Reporting

Real-time dashboards covering contract value, cycle times, approval bottlenecks, upcoming renewals and compliance status — exportable for audits.

Automated Contract Letters

Generate renewal, amendment and termination letters automatically from contract data, keeping correspondence consistent and on-brand.

Multi-Tenant & Multilingual

Isolate data per organization with multi-tenancy, and serve global teams with a fully internationalized UI in six languages out of the box.

How It Works

Your Contract Lifecycle, End to End

OpenCLM maps to every stage of the contract lifecycle, giving each stakeholder the right tools at the right time.

01

Create & Draft

Start from a template, pull in pre-approved clauses, and draft in a collaborative rich-text editor with full version history.

02

Review & Approve

Route contracts through multi-stage approval policies based on role, value and status, with automatic escalation and audit logging.

03

Sign & Execute

Send for legally binding, multi-party electronic signature and store the executed agreement in your central repository.

04

Track & Renew

Monitor obligations, deadlines and compliance, then trigger renewal, amendment or termination letters automatically.

Why OpenCLM

The Open Source Advantage

Enterprise CLM capabilities without enterprise barriers, lock-in or licensing fees.

Up to 90% Cost Reduction

No per-user licensing fees. No surprise renewal increases. Just predictable infrastructure costs on hardware you already control.

Enterprise CLM $50K-500K+/year
OpenCLM (self-hosted) $0 + infrastructure

Complete Data Control

Self-host on your own infrastructure so sensitive contract data never leaves your control. Full transparency, zero third-party access.

  • On-premise or private cloud deployment
  • PostgreSQL data you own outright
  • No third-party data processors
  • Complete audit transparency

Unlimited Customization

Full AGPL v3 source access. Modify anything, add features and integrate with any internal system through an API-first architecture.

  • Complete source code access
  • REST API-first architecture
  • Extensible roles & workflows
  • Community-driven roadmap
Role-Based Access Control

Built for Every Stakeholder

OpenCLM ships with 12 pre-configured roles and granular, resource-level permissions — so everyone sees exactly what they should, and nothing they shouldn't.

Super Admin Administrator Contract Manager Legal Counsel Finance Controller Procurement Manager Department Head Contract Author Reviewer Auditor External Counsel Signatory
Use Cases

Built for Every Industry

Teams across regulated and fast-moving industries rely on contract lifecycle management to stay compliant and in control.

⚖️

Legal Departments

Streamline contract reviews, approvals and compliance tracking with a single source of truth.

🏢

Enterprise Procurement

Manage vendor contracts, SLAs and procurement workflows from request to renewal.

💼

Professional Services

Handle client agreements, SOWs and engagement letters at scale with reusable templates.

🏥

Healthcare

HIPAA-compatible contract management with obligation tracking for medical organizations.

🏦

Financial Services

SOX-aligned controls, audit trails and secure document handling for regulated finance teams.

🚀

Tech Startups

Scale contract operations without enterprise software costs or vendor lock-in.

Modern Architecture

Built on a Battle-Tested Open Stack

A clean, modern, fully open source stack that developers love and operations teams trust.

Frontend

  • React 19Modern component UI
  • TypeScriptType-safe codebase
  • Tailwind CSSUtility-first styling
  • ViteLightning-fast builds

Backend

  • Node.js + ExpressREST API server
  • Prisma ORMType-safe data layer
  • PostgreSQLReliable relational DB
  • OpenSignE-signature integration

Security & Auth

  • Keycloak (OIDC)SSO & identity
  • JWT + PKCESecure API tokens
  • RBACGranular permissions
  • MFA SupportMulti-factor auth
FAQ

Frequently Asked Questions

Everything you need to know about the best free, open source CLM software.

What is open source CLM software?

Open source CLM (Contract Lifecycle Management) is software with publicly available source code that helps organizations manage contracts from creation and negotiation through approval, signing, renewal and expiry. OpenCLM is the leading free, self-hostable open source CLM platform with enterprise-grade features such as approval workflows, role-based access control, e-signatures and obligation tracking.

Is OpenCLM really 100% free?

Yes. OpenCLM is released under the AGPL v3 license. You can download, self-host and use the complete platform forever with no licensing fees, no per-user costs and no hidden charges. Optional managed cloud and support plans are available if you prefer not to host it yourself.

Which features does OpenCLM include?

OpenCLM provides a central contract repository, rich-text authoring, template and clause libraries, multi-stage approval workflows, role-based access control with 12 built-in roles, electronic signatures, deadline and renewal tracking, obligation and compliance monitoring, automated contract letters, analytics dashboards, multi-tenant organizations and support for six languages.

Can I self-host OpenCLM on my own infrastructure?

Absolutely. OpenCLM is designed for self-hosting on your own servers or private cloud. The React frontend and Node.js/Express/Prisma/PostgreSQL backend run anywhere, with Keycloak handling authentication. Your contract data stays entirely within your environment.

How does OpenCLM compare to paid CLM software?

Commercial CLM platforms often charge $50,000–$500,000+ per year with per-user pricing and long contracts. OpenCLM delivers comparable core capabilities — approval workflows, e-signatures, clause libraries, obligation tracking and analytics — at zero licensing cost, while giving you full control over data and customization.

Does OpenCLM support electronic signatures?

Yes. OpenCLM integrates with OpenSign to provide legally binding, multi-party electronic signatures with tamper-evident audit trails, all within your self-hosted environment.

Ready to Take Control of Your Contracts?

Deploy the best free, open source contract lifecycle management platform on your own infrastructure today.

Free forever · Self-hosted · No credit card required