Horilla CRM extensions are Django apps integrated through AppLauncher conventions. For developers building a custom module, the useful building blocks go well beyond a model: app discovery, feature registration, navigation, event and dashboard hooks, and reusable views and API/UI components. The five patterns below are documented by Horilla; they are extension approaches, not an official ranking or independent implementation test.
How Horilla CRM apps fit into the platform
Horilla’s technical article describes an app as “a self-contained Django module that plugs into the platform through AppLauncher.” The article, dated July 1, 2026, presents AppLauncher as the mechanism for mounting an app’s URLs and importing convention-named modules such as registration, signals, menu, and dashboard. This gives a custom module a defined integration contract rather than requiring each extension to be wired into the project root. See Horilla’s app-development article for the documented pattern.
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The exact configuration and commands can change between repository versions. Check the branch or release you intend to extend before copying examples; the project’s release and upgrade material is version-sensitive.
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Five coding features to build on
1. AppLauncher integration
AppLauncher connects an app to the platform: its configuration identifies the URL prefix, module, and namespace, while convention-named modules provide additional integration points. Horilla’s documentation says this pattern lets the platform import the app’s registration, signal, menu, and dashboard declarations. It can avoid editing the root urls.py for every new app, but follow the exact setup shown for your target version.
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2. Feature registration for models
Creating a Django model does not by itself make it available to every CRM capability. Horilla’s documented registration.py pattern registers models for features such as global search and import/export. The article also discusses duplicate handling, approvals, workflows, reviews, and scoring. Choose the relevant features deliberately; the examples distinguish selecting specific features from using all=True. Registration is part of integrating the model with the platform, not a substitute for defining and validating the model itself.
3. Menu registration
A model that can be queried but cannot be found through useful navigation is an incomplete user-facing feature. The documented menu.py pattern declares entries that Horilla renders at runtime, including sidebar and quick-create or navigation options. The capstone tutorial uses a sidebar menu for its sample module. Treat menu placement and permissions as part of the feature’s usability, not as an afterthought.
4. Signals and dashboard contributions
Horilla’s standard app structure includes signals.py for cross-module event handling and dashboard.py for chart contributions. Signals provide a documented place for a module to react to platform events; dashboard declarations provide a way to contribute information to the CRM dashboard. These are extension hooks, and the documentation does not establish performance guarantees or behavior beyond the described patterns.
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The documented structure brings together generic class-based views, model forms, filters, namespaced URLs, templates, and HTMX partials. For API work, it describes serializers and router-backed code. Horilla’s sample module includes list, detail, create, and edit views, with an API stub described as optional. This is a more complete feature path than treating the model as the whole implementation: connect data, navigation, permissions, views, and any API surface the module needs.
How to build a custom module
Horilla’s capstone tutorial demonstrates a sample partners module. The steps below describe that vendor tutorial, not an independently tested procedure; confirm commands and file conventions in the version you are targeting. The tutorial’s command is:
python manage.py start_horilla_app partners- Generate the sample app with the tutorial command, then add its AppLauncher configuration, including the URL prefix, module, and namespace expected by the target version.
- Define a company-scoped
Partnermodel for the sample feature. - Register the model for the tutorial’s import/export and global-search features in
registration.py. - Build the views and related forms, filters, URLs, and templates needed for list, detail, create, and edit flows.
- Declare a sidebar entry in
menu.pyand add the permissions the module requires. - Add an API stub only if the feature needs one; the tutorial presents it as optional.
See Horilla’s capstone app tutorial for the vendor’s complete sample path.
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Check your target version before extending or upgrading
Horilla’s CRM announcement calls v1.0.0 a stable release and is dated January 13, 2026. The repository also includes upgrade instructions from v1.9 to v1.10.0, including a one-time sync_db procedure for renamed app labels. Those version markers show why extension code and upgrade steps should be checked against the actual target branch; the sources cited here do not establish the latest release state conclusively. Consult the CRM repository and its upgrade instructions for the version you use.
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Plan production operations alongside the module
Adding an app does not remove the operational work of running the CRM. The repository’s production checklist calls out the following items:
- Set
DEBUG=Falseand configure a strongSECRET_KEY. - Configure the production database, email, HTTPS, and static-file serving.
- Set up backups, monitoring and logging, and suitable firewall or security-group rules.
- Evaluate Redis as an optional component rather than assuming every deployment needs it.
Its performance guidance discusses database indexing, select_related and prefetch_related, connection pooling, read replicas, caching, HTMX, and CDN support. These are techniques to evaluate against your own workload; the repository material cited here does not provide comparative benchmarks. For deployment specifics, use the repository’s current documentation for your chosen version.
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