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5 jobs · 15 apps

Best open source software for real estate

For a real estate agency, a self-hosted stack starts with Twenty for clients and deals, Docuseal for signing contracts and Cal.diy for booking viewings. Each pick was chosen by hand for its job and is shown with GitHub data from October 2026.

The catalog has no dedicated property-management or MLS app, so this page builds a real estate stack from general tools: a CRM for clients and deals, e-signatures for contracts, booking for viewings, a website for listings and document storage.

Updated · data from GitHub, refreshed nightly

Top picks

  1. Rank 1:

    Twenty

    twentyhq/twenty

    A modern CRM offering the flexibility of open source, advanced features, and a sleek design.

    CRMTypeScriptDocker

    Twenty has 57,949 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 7,656 commits in the last year; it replaces Salesforce and HubSpot.

  2. Rank 2:

    EspoCRM

    espocrm/espocrm

    CRM with a frontend designed as a single page application, and a REST API.

    CRMPHPDocker

    EspoCRM has 3,441 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,636 commits in the last year; it replaces Salesforce and HubSpot.

  3. Rank 3:

    Krayin

    krayin/laravel-crm

    CRM solution for SMEs and Enterprises for complete customer lifecycle management.

    CRMPHPDocker

    Krayin has 23,970 GitHub stars, uses the MIT license, ships a Docker image and had 483 commits in the last year; it replaces Salesforce and HubSpot.

1 of 5 · 4 picks

Clients and deals (CRM)

  1. 1

    Twenty

    A modern CRM offering the flexibility of open source, advanced features, and a sleek design.

    Twenty has 57,949 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 7,656 commits in the last year; it replaces Salesforce and HubSpot.

  2. 2

    EspoCRM

    CRM with a frontend designed as a single page application, and a REST API.

    EspoCRM has 3,441 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,636 commits in the last year; it replaces Salesforce and HubSpot.

  3. 3

    Krayin

    CRM solution for SMEs and Enterprises for complete customer lifecycle management.

    Krayin has 23,970 GitHub stars, uses the MIT license, ships a Docker image and had 483 commits in the last year; it replaces Salesforce and HubSpot.

  4. 4

    SuiteCRM

    The award-winning, enterprise-class open source CRM.

    SuiteCRM has 5,779 GitHub stars, uses the AGPL-3.0 license and had 185 commits in the last year; it replaces Salesforce and HubSpot.

2 of 5 · 3 picks

Contracts and e-signatures

  1. 1

    Docuseal

    Create, fill, and sign digital documents (alternative to DocuSign).

    Docuseal has 18,658 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 925 commits in the last year; it replaces DocuSign and Adobe Acrobat.

  2. 2

    Documenso

    Digital document signing platform (alternative to DocuSign).

    Documenso has 15,336 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 695 commits in the last year; it replaces DocuSign and Adobe Acrobat.

  3. 3

    OpenSign

    Document signing software (alternative to DocuSign).

    OpenSign has 7,058 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 77 commits in the last year; it replaces DocuSign.

3 of 5 · 3 picks

Viewings and appointments

  1. 1

    Cal.diy

    Online appointment scheduling system.

    Cal.diy has 48,880 GitHub stars, uses the MIT license, ships a Docker image and had 1,893 commits in the last year; it replaces Calendly.

  2. 2

    Easy!Appointments

    Allows your customers to book appointments with you via the web.

    Easy!Appointments has 4,412 GitHub stars, uses the GPL-3.0 license and had 171 commits in the last year; it replaces Calendly.

  3. 3

    Rallly

    Create polls to vote on dates and times (alternative to Doodle).

    Rallly has 5,285 GitHub stars, uses the AGPL-3.0 license, ships a Docker image and had 1,513 commits in the last year; it replaces Calendly.

4 of 5 · 3 picks

Listings website

  1. 1

    WordPress

    World's most-used blogging and CMS engine.

    WordPress has 21,450 GitHub stars, uses the GPL-2.0 license and had 2,047 commits in the last year; it replaces WordPress.com and Medium.

  2. 2

    Strapi

    Headless CMS that lets developers build content APIs fast while giving content creators a friendly editing interface.

    Strapi has 73,281 GitHub stars, uses the MIT license and had 1,477 commits in the last year; it replaces WordPress.com and Webflow.

  3. 3

    Payload CMS

    Developer-first headless CMS and application framework.

    Payload CMS has 45,100 GitHub stars, uses the MIT license and had 1,635 commits in the last year; it replaces Webflow.

5 of 5 · 2 picks

Documents

  1. 1

    Paperless-ngx

    Scan, index, and archive all of your paper documents with an improved interface (fork of Paperless).

    AI-nativePaperless-ngx has 46,308 GitHub stars, uses the GPL-3.0 license, ships a Docker image and had 1,625 commits in the last year.

  2. 2

    Nextcloud

    Access and share your files, calendars, contacts, mail and more from any device, on your terms.

    Nextcloud has 37,003 GitHub stars, uses the AGPL-3.0 license and had 7,289 commits in the last year; it replaces Google Drive and Dropbox.

FAQ

Questions and answers

Still curious? Email info@appsgit.com.

What is the best open source software for real estate agencies?

For a real estate agency, a self-hosted stack starts with Twenty for clients and deals, Docuseal for signing contracts and Cal.diy for booking viewings. Each pick was chosen by hand for its job and is shown with GitHub data from October 2026.

Is there an open source real estate CRM?

Not a dedicated one in this catalog. General CRMs such as Twenty, EspoCRM and Krayin handle contacts, deals and pipelines, and you can add custom fields for properties.

Are self-hosted e-signatures legally binding?

DocuSeal, Documenso and OpenSign create and sign digital documents. Whether an electronic signature is binding depends on your country and the type of contract, so check local rules; this is not legal advice.

Is Twenty free?

Yes. Twenty is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I run this stack with Docker?

9 of the 15 apps here publish Docker images, including Twenty, EspoCRM and Krayin, so most of the stack can run side by side with Docker Compose on one server. Size the server for the heaviest app and add off-site backups.

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