VentoCalendar

📅 Simple & Lightweight WordPress Event Calendar

VentoCalendar is a powerful yet simple WordPress plugin for creating and managing events. It provides an intuitive interface for adding events with start and end dates, customizable colors, and an interactive calendar view.

Designed to focus on the essentials, VentoCalendar gives you a clean way to manage and display events without unnecessary complexity.

Free and privacy-friendly plugin: No ads, no tracking, and no mandatory external services for the core calendar functionality. Your event data stays on your server. Developed with WordPress coding standards and best practices in mind.

📅 Calendar Features

• Custom Event Post Type – Dedicated post type for events with all WordPress features
• Date & Time Management – Easy-to-use datetime picker for start and end dates
• Color Coding – Assign custom colors to events for better visual organization
• Interactive Calendar – Beautiful calendar with selectable view type (monthly calendar or event list), with “Add to my calendar” buttons for Google Calendar and Apple Calendar
• Layout Options – Choose between basic, compact, or clean layouts to customize the calendar appearance
• Gutenberg Blocks – Two custom blocks for displaying calendars and event information
• Shortcodes – Flexible shortcodes for displaying calendars and event information anywhere
• REST API – Built-in REST API endpoints for custom integrations
• Responsive Design – Fully responsive calendar that works on all devices
• Internationalization Ready – Fully translatable with .pot file included

📍 Event Locations & Optional Maps

Events can also have a physical location. Add a location or address to your events and optionally display an interactive map.

• Event Locations – Add location and address information to your events
• Optional Interactive Maps – Display a map for events that have a physical location
• Map Location Picker – Select the event location directly on the map
• Powered by OpenFreeMap and MapLibre – Open-source, community-driven map technology, with the MapLibre GL JS library bundled locally
• No Google Maps API Key – Maps do not require a Google Maps API key or Google account
• No Geocoding Required – Choose the map location manually without sending an address to a geocoding service

Maps are completely optional and do not change the way the core calendar works.

Gutenberg Blocks

1. Calendar Block – Show a monthly calendar view with all your events
2. Event Info Block – Display event date and time information using your WordPress date/time formats

Shortcodes

• [ventocalendar-calendar] – Display full calendar view
• [ventocalendar-start-date] – Display event start date
• [ventocalendar-end-date] – Display event end date
• [ventocalendar-start-time] – Display event start time
• [ventocalendar-end-time] – Display event end time
• [ventocalendar-location] – Display event location
• [ventocalendar-address] – Display event address
• [ventocalendar-map] – Display event map

All shortcodes use the date and time formats configured in Settings → General.

Perfect For

• Community organizations
• Event venues
• Churches and religious organizations
• Schools and universities
• Business event calendars
• Conference websites
• Workshop and class schedules

Privacy & Compliance

VentoCalendar is designed with privacy and WordPress.org guidelines in mind:

License

• GPLv2 or later – This plugin is free software licensed under the GNU General Public License v2 or later
• Designed to comply with WordPress.org guidelines
• All code is open source and available for review

No Obfuscated Code

• All JavaScript, PHP, and CSS code is readable and unminified
• No build process or compilation required
• All source code is human-readable and editable
• No hidden functionality or encrypted code

No Mandatory External Services

• Self-hosted solution – The core calendar functionality runs on your WordPress server
• No mandatory third-party services or API keys required
• Vue.js library is bundled with the plugin and loaded locally (no CDN)
• MapLibre GL JS library is bundled with the plugin and loaded locally (no CDN)
• No external accounts, subscriptions, or paid services needed for the calendar

Optional Maps

Maps are optional. When a map is displayed, VentoCalendar uses OpenFreeMap to provide the map resources.

• No Google Maps API key or account is required
• No address is sent to a geocoding service
• Map coordinates are stored with the event in your WordPress database
• OpenFreeMap is only used when an event map is displayed

No Advertising

• The plugin does not display advertisements in the WordPress admin area or on the frontend
• No affiliate links or sponsored content are included
• All core calendar features are available without promotional notices or upsells

Privacy Friendly

• The plugin does not collect, track, or transmit user data for analytics or advertising
• No analytics, tracking scripts, or cookies are added by the plugin
• Event data is stored locally in the WordPress database and remains under the site owner’s control
• Optional map resources are loaded from OpenFreeMap when a map is displayed

What Data is Stored

• Event information (titles, descriptions, dates, colors) – stored in WordPress database
• Event location and address information, when provided
• Map coordinates and map display settings, when a map is enabled
• Event data remains on your server under your control

Developer Notes

Architecture

The plugin follows WordPress Plugin Boilerplate architecture with a centralized loader system. All hooks are registered through the main plugin class.

REST API

Endpoint: GET /wp-json/ventocalendar/v1/events

Parameters:

• start (optional) – Start date filter (Y-m-d format)
• end (optional) – End date filter (Y-m-d format)

Response: Array of event objects with id, title, dates, times, color, and permalink.

File Structure

• admin/ – Admin-specific functionality (PHP, JS, CSS)
• public/ – Public-facing functionality (PHP, JS, CSS)
• includes/ – Core plugin classes
• includes/blocks/ – Gutenberg block classes
• includes/cpt/ – Custom post type definitions
• languages/ – Translation files

Development

No build process required. All files are unminified and ready for direct editing. The plugin uses standard WordPress enqueue functions for all assets.

Donations

This plugin is free. Donations are voluntary support for its development.

If you find VentoCalendar useful, you can support its development here: Donate via Ko-fi

Support

For support, feature requests, or bug reports, please visit the plugin’s support forum on WordPress.org.

Credits

• Built using WordPress Plugin Boilerplate
• Calendar powered by Vue.js
• Interactive maps powered by OpenFreeMap and MapLibre