mclocks is an Open Source app that allows you to display multiple time zone clocks.

Clockify for Windows, Chrome, Firefox, and Android will help you track and log time from anywhere on the web.

EarthTime will keep you up-to-date on the weather and local time from anywhere in the world.

Simple Sticky Notes is freeware specifically designed to enable you to take notes so you never forget about anything ever again.

Free Alarm Clock is a user-friendly alarm clock capable of playing MP3 files and waking you system up from sleep mode.

TreeSheets combines spreadsheet tools, mind mappers, outliners, personal information managers, text editors and small database utilities into an all-in-one office application.

Hyper Plan allows you to visually plan out all aspects of your life in a similar fashion to using Post-It notes, perfect for seeing the full picture of current and future tasks at a glance.

CalendarTask (formerly DesktopCal Desktop Calendar) helps you manage appointments, to-do lists, schedules, and more without blocking access to your desktop icons.

Microsoft OneNote is a cross-functional digital notebook capable of capturing and organizing everything across your devices.

ClassicDesktopClock is a portable freeware app that provides a desktop clock overlay with the old-style Windows 98 SE clock in mind and more.

Evernote is a note management application that offers you a single place for the organization, easy input and quick retrieval of all types of notes and clippings.

ManicTime is a system tool for time management that quietly sits in the background and records your daily activities.

ClocX provides a free desktop application that features an analog clock, enabling users to easily keep track of time while enhancing their workspace with a stylish display.

Tockler is geared towards programmers who want to keep track of application usage and working time.

Freeter is a versatile tool designed to help you seamlessly manage multiple projects while streamlining your workflow.

ToDoList is a task management tool that enables you to repeatedly sub-divide your personal or work tasks into more manageable pieces.

Cherrytree Portable is a useful note-taking tool that allows users to organize information in a hierarchical manner. Installer, Linux, and Mac downloads are also available.

Outlook CalDav Synchronizer is a free Outlook Plugin that synchronizes events, tasks, and contacts between Outlook and Google, SOGo, Nextcloud, Horde, or any CalDAV or CardDAV server.

Cherrytree for Windows, Mac, and Linux is a free hierarchical note-taking application featuring rich text and syntax highlighting, storing data in a single XML or SQLite file. Zero-dependency portable version is also available.

Digital Clock gives you a straightforward portable timepiece for display on your desktop.

Desktop.Calendar.Tray.OK provides you with a simple, no-frills portable calendar.

VOVSOFT Tree Notes is an application for taking hierarchical notes designed to improve organizational efficiency and streamline information management.

Rainlendar Lite is a full featured calendar tool that is quite simple to use and doesn't take much space on your desktop.

EssentialPIM is a personal information manager that allows you to store all your important data electronically.

DesktopNote gives you an Open Source desktop note-taking app full of features.