jojaba

Simple Diary is meant to be simple enough to be used out of the box. Simple, but also powerfull and customizable. All skill user should find something to do with it.
Here’s the list of the settings (see screenshots for further infos):
<ul>
<li>Custom post type “reminder” available. The reminder infos : Title, start date (required), end date (optional), start time(optional), end time (optional), location (required), url (optionnal), article (optional). The date and time infos are set using <a href="http://amsul.ca/pickadate.js/" title="Go to the pickadate.js homepage" rel="nofollow ugc">pickadate.js</a> jQuery plugin. All the system (compose reminder page and datepicker) is responsive.</li>
<li>The admin reminders edit page is sorted by start date and contain title, start date, end date, location and creation/modification date. All columns are sortable except location column.</li>
<li>Option page will let you modify some settings : Title of the diary page, slug modification, reminder count listed in upcoming reminders, reminder count in diary, selection of the columns in edit page.</li>
<li>Possibility to add a reminder from a post (beginning with 1.3 plugin version)</li>
<li>All default WordPress themes (twentyten, twentyeleven, twentytwelve, twentythirteen, twentyfourteen) can easily be updated to take in account the reminders. You just have to get archive-reminder.php, content-reminder.php or loop-reminder.php, single-reminder.php from <code>/simple-diary/themes-support/your_theme/</code> and put it into your hteme folder (<code>/wp-content/themes/your-theme/</code>). You can take these files also as examples to customize Diary and reminders for your theme.</li>
<li>A “Upcoming reminders” widget is available in the admin widget section.</li>
</ul>
Simple Diary has been developed by keeping in mind following rules:
<ul>
<li>Easy to install, use and customize</li>
<li>Working on every theme (including responsive themes)</li>
<li>Adding microdata used to markup HTML code for semantic (so that most popular search providers can handle the infos).</li>
<li>Make it translatable (availabe languages : english and french).</li>
</ul>

Simple Diary for WordPress

A very simple diary listing user created reminders. Ready to use in WordPress default themes.

Reenu

Monthly data sheets plugin allows you to create multiple data sheets. Each sheet could save and display data in separate sheets, one per month. Only manager users can edit the data. This could be used as a ledger book, diary, daily data logger, appointment book etc.
Major features in Monthly Data Sheet include:
<ul>
<li>Ability to create multiple sheets with custom row names and column names</li>
<li>Use single sheet post to save data in any month</li>
<li>Provides edit option to selected manager users only for each sheet</li>
<li>Edit monthly data via front end interface</li>
</ul>
<h3>1.0.1</h3>
<ul>
<li>Edit page display bug fix</li>
</ul>

Monthly Data Sheets

Monthly Data Sheets plugin allows you to create data sheets for each month with custom rows and columns

Simple Diary for WordPress vs Monthly Data Sheets