Top 11 Best Open Source and Free Lease Management Software for Small and Medium-Sized Businesses

Lease management software is a tool that helps to manage commercial leases, from the initial lease negotiations to the end of the lease term. The software helps landlords, tenants, and real estate professionals save time, streamline processes, and reduce lease-related risks.

Open-source lease management software is a type of software that is released under an open-source license, which means that the software’s source code is available for anyone to inspect, modify, and distribute. These types of software are free to use, and users can customize the software to suit their specific needs.

Open-source lease management software is popular among small to medium-sized businesses and commercial real estate professionals. They come with a range of features, including tenant tracking, property management, rent collection, and invoicing, among others. Some of the benefits of open-source lease management software include increased efficiency, streamlined lease processing, and reduced costs.

Features of Open Source Lease Management Software

Open-source lease management software comes with various features that make the lease management process more manageable. Below are some of the key features:

  • Tenant Tracking: This feature allows landlords to keep track of all their tenants’ details, including their contact information, lease agreements, payment history, and more.
  • Property Management: This feature enables landlords to manage their properties, including tracking maintenance requests, managing building maintenance schedules, and tracking asset tracking.
  • Rent Collection: Rent collection is a crucial aspect of lease management, and open-source lease management software streamlines the rent collection process through invoicing, automated payments, and reminders.
  • Invoicing: Invoicing is essential for landlords to bill their tenants for rent, deposits, and other charges. The software automates invoicing to save time and reduce errors.

Benefits of Open Source Lease Management Software

Open-source lease management software offers various benefits to landlords, tenants, and real estate professionals. These include:

  • Reduced Costs: Open-source lease management software is free to use, meaning that users do not have to pay licensing fees. This is especially beneficial for small businesses that are looking to save on software costs.
  • Customization: Open-source lease management software can be customized to suit specific business needs. This means that users can add features or modify existing ones to meet their unique requirements.
  • Greater Efficiency: Open-source lease management software streamlines lease management processes, saving time and increasing efficiency.
  • Improved Data Security: Open-source lease management software allows businesses to store their data on secure servers, reducing the risk of data breaches.
  • Easy Collaboration: Open-source lease management software allows multiple users to access lease data, enabling easy collaboration between teams.

Open-source lease management software is a beneficial tool for landlords, tenants, and real estate professionals. Its various features, including tenant tracking, property management, rent collection and invoicing, make the lease management process more manageable. Additionally, the benefits of reduced costs, customization, greater efficiency, improved data security, and easy collaboration make open-source lease management software a popular choice among small to medium-sized businesses and commercial property owners.


AdamRMS is an advanced Rental Management System for Theatre, AV & Broadcast – Free & Open Source.

  • Asset Management
  • Project Management
  • Asset Details
  • Dashboard & Calendar
  • Maintenance
  • Ledger
  • Permissions
  • Categories & Groups
  • Training
  • CMS
  • Recruitment
  • Public Embeds


Save development costs and have access to 50+ extensions.

  • Multi-property management
  • Multi-language support
  • Extensions
  • Intuitive Calendar
  • User Management
  • Invoices


Rentila is an easy-to-use online property management software. Tenancy management, accounting. Be in full control of your property business with our end-to-end rental management software.

  • A tenancy agreement template is at your disposal
  • Creating a check-in/out inventory is easy with Rentila
  • Rent receipts are generated automatically and shared with the tenant
  • Managing and tracking repair and maintenance requests is easy with us
  • Our Finances module helps you with your book keeping
  • We also give information you can then use for your tax return
  • A selection of document templates is available for you
  • Keep up with real estate news and trends and read our blog and newsletter


AppGini ORPM is an open source app that allows you to manage landlords, rental properties, units, applications, leases and tenants. Add all details related to the tenants, i.e. references, rental history, employment history and income overview.

  • Manage applicants and tenants
  • Add, search and manage applications and leases
  • Manage applicants/tenants rental history, employment history and other references
  • Manage landlords, properties, and units
  • Reports (created by Summary Reports plugin for AppGini)


openMAINT manages movable assets, the real estate, and the related maintaining, logistic and economic activities, GIS and BIM.

  • Space & Asset Inventory
  • Facility Management
  • Logistic Management
  • Economic Management
  • Energy & Environment
  • GIS & BIM support


Propertyware is a user-friendly residential rental property management software for single-family properties.

  • Powerful
  • Customizable
  • Open
  • Scalable
  • Supported
  • Integrated
  • Automated
  • Secure


LeaseQuery is CPA-built and approved lease accounting software that ensures compliance with ASC 842, GASB 87, and IFRS 16.

  • Centralize lease documents
  • Track any asset
  • Prevent mistakes with critical date alerts
  • Improve your reporting
  • Streamline communication across departments


MRI software – open and connected approach to software, together with an extensive partner ecosystem, offers a comprehensive view into property management, accounting and strategic planning for the future of your real estate business.

  • Multifamily Owners & Operators
  • Affordable & Public Housing
  • Owners, Operators, Investors
  • Property Occupiers


FlectraHQ is Open Source ERP and CRM Including Sales, Accounting, Purchase, Inventory, CMS and Ecommerce system for Growth of A business, on Cloud or On Premise.

  • Location tracking for your peace of mind
  • Simplifies orders and invoicing
  • Access detailed reports and analytics


Rentalbookingsoftware – online rental software for Magento bookings extension and WooCommerce bookings plugin for rental inventory management of cars, equipment, and events.

  • Your program can be tailored to fit your needs
  • Open source software is often more secure than other platforms
  • You won’t be dependent on a vendor when getting your program ready
  • You aren’t limited over how many licenses you have for your program
  • You can adjust your program based on your budget


Innago’s free rental property management software makes it easy for small to mid-sized landlords to collect rent, sign leases, and manage tenants online.

  • Online Rent Payments
  • Online Lease Signing
  • Security & Cloud
  • Maintenance Request
  • Listing & Syndication
  • Mobile App
  • Expense & Reporting
  • Renter’s Insurance
  • Tenant Screening

Average rating / 5. Vote count:

No votes so far! Be the first to rate this post.