Flawless organisation? It's possible with a good online diary [comparison].
![Flawless organisation? It's possible with a good online diary [comparison].](https://media.appvizer.com/articles/miadqrkbqci2njxhofoeoa/cover/uk/cover-picture_w329.webp)
On the web, the choice of online diaries is particularly vast. They are all designed to help users organise their time more easily and efficiently, and offer a range of different functions to suit the specific needs of all business sectors.
In other words, choosing an online planner requires a rigorous study of its specific features.
Appvizer simplifies the task by bringing together the best solutions available today. For each of them, you'll find a brief description highlighting the key features that can make all the difference.
Comparison table of the best online diaries in 2025
1 of 6
 ClickUp |  Google Agenda |  Asana |  Doodle |  Notion Calendar |  Teamup |
|---|---|---|---|---|---|
| For all companies | For all companies | For companies with more than 1 employees | For all companies | For all companies | For all companies |
| See software | See software | See software | See software | See software | See software |
| Learn more about ClickUp | Learn more about Google Agenda | Learn more about Asana | Learn more about Doodle | Learn more about Notion Calendar | Learn more about Teamup |
Google Calendar
Used by many Internet users, Google Calendar is part of the Google suite. This gives it a major advantage: some of the most advanced connectivity on the market. Making the link between this solution and all the other tools of this search engine is very easy and practical.
Available on PC and mobile, Google Calendar is completely free. To access its many features, use your existing Google Account. The clear, intuitive interface of this online diary is just a click away, and you can take advantage of its many tools straight away.
Tailored to the needs of professionals, Google Calendar offers essential flexibility for users who manage several calendars. By superimposing them in a single view, you can view all the data simultaneously.
Among the key functions, alerts before the time set for a meeting are extremely useful. Add automatic insertion of events from incoming emails and subscription to other calendars, and you've got a truly versatile assistant!
🤩 Google Calendar's little extra: each user can share their own calendar with one or more people. This feature is very useful for businesses.
Google Agenda
Microsoft Outlook Calendar
Outlook offers an online calendar management solution with features similar to Google Calendar. Part of the Office suite, it integrates into your Outlook mailbox and links up with all the tools offered by Microsoft.
While this solution is not as flexible as its predecessor, it does extend its functionality beyond the calendar. For example, you can simplify your day-to-day organisation with direct access to your mailbox, or manage all your contacts and tasks.
As you probably already know, Outlook is a free tool. But software that can be integrated with it is often not free.
Microsoft Outlook Calendar can easily be described as a high-performance classic electronic diary. It is perfectly suited to small businesses that want to take advantage of the usual features of this type of tool.
🤩 Microsoft Outlook Calendar's little plus: a clear, intuitive interface for easy use.
Agenda en ligne.com
Very popular with healthcare professionals, the Agenda en ligne.com appointment management solution can be accessed from computers, tablets and smartphones. Features include appointment reminders for contacts, online appointment booking, secure shared diaries and teleconsultation.
This highly intuitive management tool makes it easy to search for patient/client records. Appointment reminders are sent automatically by text message, to lighten the workload for practitioners.
The mobile application is ideally designed to enable users to benefit from all the advanced features of this electronic diary when they're on the move.
Agenda en ligne.com has the advantage of an available and responsive support team. It supports all its users and provides invaluable advice to those who request it.
All in all, this solution is now establishing itself as a benchmark in digital appointment management for medical practices.
🤩 The little extra feature of Agenda en ligne.com: the ability to extend your visibility on the web. This software takes care of your presence on search engines so as to improve your positioning and brand awareness.
Asana
Asana has been added to the list of the best online diaries. Once again, users don't just notify tasks and events on specific dates. With this particularly powerful collaborative project management tool , you can do much more than just manage your schedule efficiently.
Designed to meet the demands of professional use, the task management functionality is extremely practical. Available in the free version of this software, it includes the creation, assignment and specialisation of tasks. Each task can be tracked in real time.
Also in the free version, the online diary offered by Asana can be shared with up to 15 colleagues. This in-depth solution therefore meets the requirements of companies looking to develop collaborative working.
🤩 The little extra thing about Asana: it's a complete work management tool. Designed to help teams work together, track the progress of tasks and delegate responsibilities, it offers a host of advanced features to exploit as and when required.
Asana
ClickUp
A multifunctional application for centralising work management, ClickUp provides powerful functionality so that companies can manage their schedules efficiently. Within a collaborative space, users can view and manage priorities and deadlines in real time.
Customisation options, such as shared calendars, give you an overview of upcoming events, tasks, meetings and projects. To make it easier to synchronise schedules, this solution guarantees compatibility with external digital tools such as Outlook and Google Calendar.
Each user has access to an automated notification and reminder system to facilitate day-to-day project management. A particularly interesting feature for businesses is the creation of unique workflows by team.
Note that this online diary can also be adapted for personal use.
🤩 ClickUp's little extra: this all-in-one tool incorporates features perfectly suited to teamwork. The free version offers access to all the functions of an effective electronic diary.
ClickUp
Doodle
The Doodle planning platform is tailored to the needs of small, medium-sized and large businesses. Users can use it to organise their working days, manage complex projects, plan events and develop management processes.
This easy-to-use digital tool features an ergonomic, intuitive interface. Ideally designed to simplify the planning of collaborative work, it allows users to share their availability slots and invite their colleagues to define a timetable suited to each individual. In this way, this electronic diary saves you precious time.
In short, Doodle simplifies the organisation of internal and external meetings. Note, moreover, that integrations with the following tools are possible: Outlook, Google Meet or even Microsoft Teams.
🤩 The little extra thing about Doodle: this user-friendly planning tool offers different packages to suit all needs. You can choose between the free version, the Professional Package and the Team Plan.
Doodle
Joynit
Versatile, simple and intuitive, the Joynit shared calendar is easy to configure. Suitable for companies, associations and local authorities, it lets you centralise all your events on an interactive shared calendar. In other words, thanks to this tool, you can invite the people of your choice to communicate more effectively within your company.
Designed to optimise your day-to-day organisation, this solution lets you create and configure a schedule in record time. All you have to do is follow the guide, then share a simple link to give your staff access to the schedule.
If you wish, you can set up multiple spaces to link several calendars, so you can get a global view of your organisation.
For each event created on Joynit, you can access a host of functions designed to simplify your management work: reminders and reminders sent to guests, the creation of surveys, the integration of various documents, the discussion area dedicated to exchanges related to the event created, the sending of invitations by email and notifications, etc.
🤩 Joynit's little extra: the user's diary can be shared via a simple link. Guests don't have to create an account to take part in an event.
Notion Calendar
Flexible and comprehensive, the Notion Calendar online planner lets users personalise and optimise the management and organisation of their tasks. It's free, and you can use it to design your own digital workspace. To do this, you can rely on efficient features to plan your daily tasks, while following your aesthetic preferences for greater ease of use.
Suitable for managing simple tasks and the most complex projects, Notion Calendar can also generate text. Specially designed to help you get organised, this solution incorporates an AI that can suggest ideas, help you write documents and guide your searches based on key words. There's also a function for centralising data that you don't have to remember.
This intuitive, customisable interface makes creating a timetable child's play. You can then choose how you want to view it: as a calendar, a table or sorted by type of task.
Perfectly suited to collaborative working, the free version of Notion Calendar lets you invite up to 5 users.
🤩 Notion Calendar's little extra: this versatile platform integrates files in different formats and videos from YouTube to extend access to resources.
Notion Calendar
Planning Moduleo
A multi-site, multi-resource collaborative diary, Planning Moduleo enables companies to coordinate their teams' schedules. Ideally designed to organise working hours efficiently and effectively, this solution offers several views, updated in real time.
Whether they concern employees, vehicles or machines, schedules can be organised by site and by department. This global view of the company's resources ensures that tasks are carried out efficiently and saves valuable time.
Planning Moduleo is able to meet all the organisational needs of professionals, creating events with validation requests. And thanks to its mobile application, you can access all the software's functions in all circumstances, even when you're on the move.
As well as guaranteeing regular, automatic updates, this online planning tool has a high-quality customer service.
Available on request, prices are defined according to the number of users.
🤩 Planning Moduleo's little extra tip: the task geolocation function, which helps to optimise the regulation of company activities.
Teamup
The Teamup online calendar offers comprehensive planning and collaboration functions. Intuitive and user-friendly, its interface gives you access to key organisational functions.
With Teamup, you can schedule tasks, events and meetings, track and share information, customise access permissions and choose a calendar view perfectly suited to your needs. To set up a truly efficient organisation, create custom fields and assign events to several schedules simultaneously.
Particularly interesting in terms of accessibility and sharing, this solution facilitates your communication by allowing calendars to be shared via simple links. These can be sent both internally and externally.
Teamup encourages collaborative working, enabling different users to contribute to your shared calendar.
🤩 Teamup's little extra: the ability to enhance your brand image through this scheduling tool. Use the customisation options available to incorporate your company logo and colours.
Teamup
Online diary: what's important?
An online diary that is perfectly adapted to the issues facing your business sector contributes to your company's productivity. Because it optimises work organisation, encourages collaboration within teams and facilitates external communication, this tool is crucial to success.
As you can see, the functionalities vary from one software package to another. To make the right choice, clearly define your objectives and identify the functions that will help you achieve them.
Don't forget to consider the ergonomics of the interface and ease of use, to make sure you take full advantage of the key services of this valuable management tool.
Article translated from French
Maëlys De Santis, Growth Managing Editor, started at Appvizer in 2017 as Copywriter & Content Manager. Her career at Appvizer is distinguished by her in-depth expertise in content strategy and marketing, as well as SEO optimization. With a Master's degree in Intercultural Communication and Translation from ISIT, Maëlys also studied languages and English at the University of Surrey. She has shared her expertise in publications such as Le Point and Digital CMO. She contributes to the organization of the global SaaS event, B2B Rocks, where she took part in the opening keynote in 2023 and 2024.
An anecdote about Maëlys? She has a (not so) secret passion for fancy socks, Christmas, baking and her cat Gary. 🐈⬛