Title: Dienstplan
Author: Alexander Nusselt
Published: <strong>June 11, 2026</strong>
Last modified: June 25, 2026

---

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# Dienstplan

 By [Alexander Nusselt](https://profiles.wordpress.org/wpdienstplan/)

[Download](https://downloads.wordpress.org/plugin/dienstplan.3.5.1.zip)

 * [Details](https://vec.wordpress.org/plugins/dienstplan/#description)
 * [Reviews](https://vec.wordpress.org/plugins/dienstplan/#reviews)
 *  [Installation](https://vec.wordpress.org/plugins/dienstplan/#installation)
 * [Development](https://vec.wordpress.org/plugins/dienstplan/#developers)

 [Support](https://wordpress.org/support/plugin/dienstplan/)

## Description

Dienstplan turns your WordPress site into a shift and duty roster that runs without
a full-time coordinator.

It is built for teams that rely on volunteers — fire departments, emergency medical
services, first-responder and crisis-response groups, sports clubs and associations.
Members open a calendar page and sign up for open shifts themselves. Coordinators
see at a glance which shifts are still open, who already volunteered, and who has
not yet contributed this period. Every change is recorded, so “who removed me from
Saturday?” always has an answer.

Everything runs on your own WordPress install. Member data, schedules and assignments
stay in your database — no SaaS account, no recurring fee for the free version. 
The only optional outbound connection is the public-holiday lookup via openholidaysapi.
org, disabled by default (see **External services**).

#### What you can do

 * Define shift types (early/late/night, driver/paramedic — whatever your team uses)
   and build week or month rosters
 * Drop the roster onto any page with the `[dienstplan]` shortcode
 * Let members sign up for shifts and remove themselves again — coordinators see
   every change live, no email ping-pong
 * Plan events like training nights, fundraisers or on-call duties with categories(
   per-event signup lists come with Basis)
 * Show each member their own upcoming shifts in a dashboard widget
 * Let members download their shifts as an ICS calendar file

#### Why WordPress

Most volunteer organisations already run a WordPress site for news and member communication.
Adding the roster there means members use the account they already have, your data
stays in your own database, and there is no external SaaS to vet for data protection.

#### Free, Basis and Pro

The version on WordPress.org is **Free** and stays free forever: one shift schedule,
unlimited members, shift types and events — no artificial caps.

Two optional add-ons extend the same plugin in place, with your data carrying over
automatically:

 * **Basis** — multiple rosters, recurring events, per-event signups and tasks, 
   shift trading, group and weekday restrictions, automated email notifications,
   and a community feedback channel. For established teams that need self-service
   workflows.
 * **Pro** — everything in Basis plus attendance statistics, a tamper-evident audit
   log and waiting-list promotion on full events. For organisations with reporting
   or audit obligations.

Pricing and the full comparison are at [wp-dienstplan.de](https://www.wp-dienstplan.de).

#### Languages

Ships with English, German, Spanish, French and Italian. Source strings are English;
further languages can be added via standard `.po`/`.mo` files in `languages/`.

### External services

This plugin connects to the public OpenHolidays API (`https://openholidaysapi.org`)
to retrieve official public-holiday dates for the country and (optional) region 
configured under **Dienstplan  Settings  Holidays**. The dates are stored in your
own WordPress options and shown as background highlights on the calendar so members
can see at a glance which days are public holidays. The feature is fully optional—
clearing the holiday country in settings disables every outbound call.

It sends a request to `https://openholidaysapi.org` in three situations:

 * `GET /Countries` — once, when the admin opens the holiday-settings page and the
   country list has not been cached yet. No payload, only an HTTP request.
 * `GET /Subdivisions?countryIsoCode=XX` — once per country, when the admin selects
   a country in the settings UI to populate the region dropdown. The configured 
   country code is transmitted as a query parameter.
 * `GET /PublicHolidays?countryIsoCode=XX&languageIsoCode=YY&validFrom=YYYY-01-01&
   validTo=YYYY-12-31[&subdivisionCode=ZZZZ]` — once per year via WordPress cron,
   plus on demand when the admin triggers a manual refresh from the settings page.
   The configured country code, region code (if any), language code and requested
   year are sent as query parameters.

In every case, **only configuration values entered by the administrator are transmitted**(
country / region / language / year). No member names, email addresses, shift data
or audit-log entries are sent.

This service is provided by STÜBER SYSTEMS GmbH as an Open Data project: [terms of use](https://www.stueber.de/en/legal/imprint.php),
[privacy policy](https://www.stueber.de/en/legal/privacy.php). Project documentation
and the data-source overview are available at [https://www.openholidaysapi.org](https://www.openholidaysapi.org).

### Privacy

Dienstplan is built so that all member-related data — names, email addresses (from
the WordPress user account), shift assignments, signup history, audit-log entries—
stays exclusively in your own WordPress database. The free plugin makes no outbound
HTTP requests other than the OpenHolidays calls documented in **External services**
above.

#### If you use the optional Basis or Pro add-on

The commercial add-on contacts a separate license server at `lizenz.wp-dienstplan.
de` for license activation and a daily license-status check. The data transmitted
is limited to the license key, your site URL, and a status flag — no member data,
no shift data and no email addresses are sent. License-server activity is logged
with industry-standard webserver logs (IP, timestamp, user agent) for fraud prevention;
the privacy policy at [wp-dienstplan.de](https://www.wp-dienstplan.de) documents
this in detail. The license server is **not** active in the free plugin distributed
via WordPress.org.

#### Cookies and trackers

Dienstplan sets no cookies of its own and uses no third-party trackers. The plugin
relies on WordPress’s standard authentication cookies for member login and on `localStorage`
for remembering the last selected roster on multi-roster pages.

## Screenshots

[⌊The interactive calendar on a public page — members see upcoming shifts and sign
up with one click.⌉⌊The interactive calendar on a public page — members see upcoming
shifts and sign up with one click.⌉[

The interactive calendar on a public page — members see upcoming shifts and sign
up with one click.

[⌊The admin shift planner — assign members to shifts, with an at-a-glance view of
who is signed up where.⌉⌊The admin shift planner — assign members to shifts, with
an at-a-glance view of who is signed up where.⌉[

The admin shift planner — assign members to shifts, with an at-a-glance view of 
who is signed up where.

[⌊The events list — plan training nights, fundraisers and on-call duties with categories(
per-event signup lists with Basis).⌉⌊The events list — plan training nights, fundraisers
and on-call duties with categories (per-event signup lists with Basis).⌉[

The events list — plan training nights, fundraisers and on-call duties with categories(
per-event signup lists with Basis).

[⌊The "My shifts" dashboard widget — every member sees their own upcoming commitments
at login.⌉⌊The "My shifts" dashboard widget — every member sees their own upcoming
commitments at login.⌉[

The “My shifts” dashboard widget — every member sees their own upcoming commitments
at login.

[⌊The plan comparison — which features are in Free, Basis and Pro.⌉⌊The plan comparison—
which features are in Free, Basis and Pro.⌉[

The plan comparison — which features are in Free, Basis and Pro.

## Installation

#### From WordPress.org (recommended)

 1. Go to **Plugins  Add New** and search for “Dienstplan”.
 2. Click **Install Now**, then **Activate**.
 3. Open the new **Dienstplan** entry in the admin sidebar to start configuring.

#### From a ZIP file

 1. Download the latest ZIP from this plugin page or your account at wp-dienstplan.
    de.
 2. Go to **Plugins  Add New  Upload Plugin**, upload the ZIP, then **Activate**.

#### First steps

 1. Open **Dienstplan  Overview** for a guided setup of shift types and event categories.
 2. Place the `[dienstplan]` shortcode on the page where members should see the calendar.
 3. Optionally configure public holidays under **Dienstplan  Settings  Holidays**.

## FAQ

### What does my hosting need?

Standard shared hosting. Required: WordPress 6.3+ and PHP 8.1+. No special server
modules and no cron daemon (WordPress’s built-in cron is used). The only optional
outbound call is the holiday lookup (see **External services**).

### Where is member data stored?

Exclusively in your own WordPress database, on your own server. The plugin sends
no member data to us or any third party. If you enable public holidays, it fetches
holiday dates from openholidaysapi.org — configuration values only (see **External
services**).

### Can I show the roster on a public page?

Yes. Use the `[dienstplan]` shortcode on any page or post. Optional parameters scope
the calendar, e.g. `[dienstplan year="2026" shift_type_id="5"]` — see the in-admin
help for the full reference.

### How does shift signup work?

Members log into your site, open the calendar page and click an open shift to sign
up. They can remove themselves again, and the change is recorded. Coordinators see
the live state on the same page and in the admin overview.

### Multiple shift types or rosters?

Free includes one schedule with unlimited shift types and events. Basis and Pro 
add multiple rosters, group restrictions, recurring events, per-event signups, statistics
and an audit log.

### Will my data survive a switch between Free, Basis and Pro?

Yes. The add-on uses the same database tables — activating it only unlocks features,
it migrates nothing. Deactivating hides premium screens; your data stays in place.

### How do I suggest features or report bugs?

The **Improve plugin** screen in the admin (Basis and Pro) lets you submit ideas,
report bugs, vote and see what’s in progress. Without a license, use the WordPress.
org support forum for this plugin.

### Where can I get support?

For the free version, use the WordPress.org support forum linked from this page.
Basis and Pro customers can also email info@wp-dienstplan.de with their license 
key.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“Dienstplan” is open source software. The following people have contributed to this
plugin.

Contributors

 *   [ Alexander Nusselt ](https://profiles.wordpress.org/wpdienstplan/)

“Dienstplan” has been translated into 1 locale. Thank you to [the translators](https://translate.wordpress.org/projects/wp-plugins/dienstplan/contributors)
for their contributions.

[Translate “Dienstplan” into your language.](https://translate.wordpress.org/projects/wp-plugins/dienstplan)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/dienstplan/), check
out the [SVN repository](https://plugins.svn.wordpress.org/dienstplan/), or subscribe
to the [development log](https://plugins.trac.wordpress.org/log/dienstplan/) by 
[RSS](https://plugins.trac.wordpress.org/log/dienstplan/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 3.5.1 — 2026-06-25

Documentation-only update: condensed wp.org readme, plugin header description aligned
with the new short tagline, German GlotPress reference docs refreshed. No code changes.

#### 3.5.0 — 2026-06-15

Focus on the shift planner and calendar readability. No breaking changes.

 * Shift planner redesigned as a master-detail view: plans in a resizable sidebar
   on the left, shifts on the right
 * Shifts can be reordered by drag & drop; consistent active/inactive toggling across
   all admin tables
 * Shift colours now shown directly in the month view
 * Clearer plan comparison with separate ICS tiers and a new “Multiple rosters” 
   row
 * Renamed UI term “shift type” to “shift”
 * Updated translations (DE/DE-formal/ES/FR/IT)

#### 3.4.0–3.4.2 — June 2026

 * wp.org compliance: free is a fully functional single-schedule roster with no 
   trialware patterns; multi-plan, weekday restrictions, event sign-ups/recurrences
   and audit log moved to the Premium add-on
 * Restored the “My shifts” dashboard widget
 * Hardened sanitization for shift-type/event saves and holiday settings
 * Clarified that openholidaysapi.org is the only optional external service (disabled
   by default)

#### 3.3.0 — 2026-06-01

 * wp.org compliance: removed all quantity limits (members, plans, shift types, 
   groups, events) from the free plugin
 * Groups moved entirely to the Premium add-on, including tables and access-control
   logic; free exposes extension hooks only
 * Simplified event creation dialog and clearer plan comparison

#### 3.2.0–3.2.2 — May 2026

First releases prepared for the official WordPress.org directory, addressing the
plugin-review team’s feedback. No feature changes — output hardening and naming 
only.

 * Unified plugin prefix `dienstplan_` across all AJAX actions, nonces, options,
   transients, cron hooks, asset handles and CSS classes
 * Output escaping hardened throughout (`wp_kses()` for SVG icons, `esc_attr()` 
   in attributes, defensive filtering of inline styles)
 * Renamed shortcode `[termine]` to `[dienstplan_termine]`
 * Documented the openholidaysapi.org integration under **External services**

#### 3.1.0 — 2026-04-30

Preparation for the first WordPress.org release (not shipped publicly; see 3.2.0).

 * Fully English source strings with DE/ES/FR/IT localisations
 * Public hook API (`dienstplan_*` filters and actions) for clean extension — reference
   in `docs/hooks-reference.md`
 * Tier structure (Free / Basis / Pro) documented

## Meta

 *  Version **3.5.1**
 *  Last updated **3 days ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 6.3 or higher **
 *  Tested up to **7.0**
 *  PHP version ** 8.1 or higher **
 *  Languages
 * [English (US)](https://wordpress.org/plugins/dienstplan/) and [German](https://de.wordpress.org/plugins/dienstplan/).
 *  [Translate into your language](https://translate.wordpress.org/projects/wp-plugins/dienstplan)
 * Tags
 * [calendar](https://vec.wordpress.org/plugins/tags/calendar/)[roster](https://vec.wordpress.org/plugins/tags/roster/)
   [scheduling](https://vec.wordpress.org/plugins/tags/scheduling/)[volunteers](https://vec.wordpress.org/plugins/tags/volunteers/)
 *  [Advanced View](https://vec.wordpress.org/plugins/dienstplan/advanced/)

## Ratings

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[Your review](https://wordpress.org/support/plugin/dienstplan/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/dienstplan/reviews/)

## Contributors

 *   [ Alexander Nusselt ](https://profiles.wordpress.org/wpdienstplan/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/dienstplan/)