A collaboration tool (also known as a collaboration app, solution or service) is a piece of software/app or platform that helps teams or groups work together on projects or tasks, regardless of their location.

Such tools offer functions for communication, organisation and coordination of workflows, often in real time.

The aim of such tools is to increase productivity and efficiency in collaboration, especially in distributed teams or when working remotely.

The main purpose of the messenger is to send and receive messages. Additional features such as file transfer, voice messages and group chats are available, but the platform focuses primarily on communication.

Collaboration tools offer a wider range of features to support collaboration, such as project management, task distribution, shared files or documents, calendar functions and more, in addition to communication.

Messengers are often used for informal or personal conversations, but can also be used in teams for quick communication.
Collaboration tools are used specifically for professional and organised collaboration, especially in work or project teams. In addition to communication, the focus here is also on the management of tasks, projects, appointments and documents.

Every organisation, whether a company, association, school or nursery, basically consists of groups of people who pursue common goals and objectives. These can be teams, departments, managers or other groups, whereby individual persons can also be involved in different groups.

The group manager mantau links the groups, visualises them in a group tree and can thus map the entire organisation.

mantau is the collaboration platform for teams that want to work together independently and securely.
Unlike Microsoft Teams, mantau is hosted in Germany and fully complies with GDPR requirements – without transferring data to third countries.

In addition, mantau can be organised decentrally: teams and projects can work independently without each person having to be set up centrally by administrators. This keeps collaboration flexible, fast and secure – without any complicated IT structures.

In short: mantau combines modern collaboration with data protection ‘made in Germany’.

mantau is much more than just a messenger. While WhatsApp is primarily intended for quick chats, mantau was developed specifically for structured collaboration and organisation in teams and project groups.

In addition to direct communication via the integrated messenger, mantau offers shared cloud storage for all files and documents, a shared calendar and a powerful form and digitisation tool – all in one place. This keeps information traceable, projects transparent and teams organised. Collaboration runs smoothly without information chaos or tool changes. 

Another important difference: mantau is hosted in Germany in accordance with GDPR standards. The data belongs to you – not to a global corporation.

In short: mantau combines the simplicity of a messenger with additional functions and the structure that real teamwork needs.

WhatsApp is designed for private chats – not for professional collaboration. In companies, organisations or associations, its use poses several risks:

• Data protection: WhatsApp processes data on servers outside the EU and does not meet the requirements of the GDPR. Even sharing contact details can be problematic.
• No control: Chats, files and information are stored on private devices – without centralised management or access control.
• No overview: Important decisions, documents or tasks can quickly get lost in chat histories.

mantau was developed precisely to address these challenges: it is data protection compliant, clear and designed specifically for secure collaboration in professional environments.

mantau is designed for all teams, organisations and projects that want to collaborate efficiently, in a structured and secure manner.
Whether in companies, start-ups, associations, social organisations, educational institutions or communities – mantau helps to bundle communication, tasks, decisions and documents clearly in one place.

mantau is particularly suitable for groups that take data protection seriously, want to work flexibly and don't want chaotic chat histories or tool changes.

In short: if you want real teamwork without information loss and with maximum transparency, mantau is the right choice for you.

When a collaboration app also serves as a community platform, teamwork and networking merge into a single solution – with a decisive advantage for organisations:

• Finding volunteers: You can recruit new volunteers directly from the community and integrate them into teams or projects.
• Centralised communication: All teams, groups and community members communicate within a single system without having to switch between different tools.
• Transparency & overview: Tasks, deadlines and documents remain clearly structured – even with many teams or volunteers.

In short: A combined collaboration and community platform such as mantau makes teamwork efficient and, at the same time, makes it easy to recruit new volunteers, ideal for clubs, schools, communities or social organisations.

mantau offers maximum data security and data protection – developed and operated in Germany, fully compliant with the EU GDPR.

• Encrypted data: All connections are TLS-secured, and all user data such as messages, files or appointments are stored in encrypted form. Even administrators have no access.
• App and access protection: Mobile apps can be protected by PIN or biometric data; the web version supports two-factor authentication.
• Certified & reliable: Operated in multi-certified German data centres (ISO 27001, IDW PS 951) with high availability, backup location and CO₂-neutral operation.

In short: mantau combines modern, secure technology with controlled data usage – for reliable and trustworthy teamwork.

EXEC IT Solutions has been a specialist in IT security, encrypted communication and efficient business processes for over 30 years. Renowned credit institutions, telecommunications companies and social organisations have been relying on our solutions for decades. And this expertise flows directly into mantau.

We operate mantau in the same secure IT environment that we provide for banks, where we operate their IT in compliance with regulations. This means our customers benefit from this expertise – and from security standards that go far beyond what companies usually receive.

GDPR-compliant means that software or an application meets the requirements of the European General Data Protection Regulation (GDPR). This means:

• Data remains protected: Personal information is stored and transmitted securely.
• Full control for the user: Only authorised persons may access data; users themselves determine who may see which information.
• No disclosure without permission: Providers may not collect or disclose data in an uncontrolled manner.

mantau fully complies with these requirements – your data remains secure, private and hosted in Germany.

Yes – mantau is hosted in Germany and fully complies with GDPR requirements.
All data remains secure within the EU – and there is no uncontrolled transfer to third countries.

This makes mantau the secure alternative to messenger apps or platforms that store personal data in the cloud of international corporations. Your team can focus fully on collaboration – without data protection risks.

The WhatsApp privacy policy and terms of use should be read very carefully.

• Users must provide the telephone numbers of their contacts, regardless of whether they are WhatsApp users.
• WhatsApp collects data and information from the user's contact folder.
• The user confirms that they are authorised to pass on this data.
• WhatsApp transmits all data to servers in the United States.
• Users acknowledge that the data protection guidelines in the USA may differ from those in the country where WhatsApp is used.
• The place of jurisdiction for all users, including Europeans, is exclusively California, USA.
• WhatsApp belongs to the Facebook group of companies and passes on data to at least these companies for the purpose of delivering advertisements within other apps belonging to the group.

Digital sovereignty means that your organisation retains complete control over its digital data, processes and tools – without dependence on foreign providers or non-transparent cloud services.

For your company or organisation, this means:

• Data sovereignty: You decide who has access to which information.
• Security and compliance: Your data is processed and stored in accordance with applicable data protection standards (e.g. GDPR).
• Independence: You are not dependent on global corporations, but use tools that are flexible, transparent and can be operated locally.

With mantau, you can rely on a platform that combines digital sovereignty, security and efficient collaboration – so your team can work independently and with confidence.

mantau is so flexible because it can be tailored precisely to any organisation or company – whether small, medium-sized or large.

• Group and subgroup structure: You can map teams, departments, projects or areas as you wish – and adjust the structure at any time if the organisation changes.
• Decentralised administration: Individual groups or areas can be managed independently without every change having to be made centrally by administrators.
• Customisable for every organisation: Whether you are an association, school, social organisation or company, mantau adapts to your individual needs and supports tailor-made workflows.

In short: mantau offers maximum flexibility so that your organisation can work in a structured, efficient and self-determined manner – without any rigid guidelines.

mantau combines key advantages that other collaboration or messenger apps do not offer simultaneously:

• Maximum flexibility: Thanks to its structured hierarchy of groups and subgroups and decentralised administration, mantau adapts precisely to any organisation, regardless of size or complexity. Changes to the structure or teams can be made at any time.
• Professional-level data protection and security: mantau is operated in the United Kingdom in accordance with the highest GDPR standards – in the same regulatory-compliant IT environment that we have been using for decades for banks and other security-critical customers. All data belongs to the user, and encryption and access controls are first-class.
• Community integration: In addition to classic collaboration, mantau enables the establishment of an active community from which organisations can specifically recruit new volunteers or members – ideal for associations, schools, social organisations or companies.
• And all this at an unbeatable price – particularly interesting when many volunteers or privately engaged people are involved.

In short: mantau is flexible, secure, networked and attractively priced – the perfect solution for organisations that want real control, overview and efficient collaboration.

Yes – with mantau, you can involve all employees, volunteers or voluntary helpers at any time – regardless of their role or technical knowledge.

• Flexible user management: Thanks to decentralised administration, groups or projects can be managed independently without each person having to be activated centrally.
• Easy participation: Members only need access to the platform – mantau is clearly laid out and intuitive, so even volunteers can get started right away without much training.
• Quick integration: Members can participate passively, but they can also be easily and quickly integrated into teams so that they can immediately start actively collaborating.

In short: mantau makes it easy to actively involve everyone – whether full-time or voluntary – in the collaboration.

mantau complements existing communication and information channels without replacing them – and at the same time creates new networking opportunities.

• Centralised collaboration: While the website continues to serve as a public face, mantau acts as a platform for internal teamwork, project management and member communication. Tasks, documents and groups are clearly organised without information getting lost in emails or chat histories.
• Focused website goals: Since mantau takes care of internal communication, the website can be tailored to specific target groups or strategic goals, e.g. member recruitment or public relations, rather than primarily internal information.
• Link to existing channels: Newsletters, social media and other channels can still be used, while mantau centralises and efficiently manages internal collaboration and community.
• Direct linking of web content: Individual content in mantau – such as groups, news, events or documents – can be linked directly to the website. 

In short: mantau supports internal and community communication, offers targeted interfaces to the website and allows you to align your website more focused and strategically with your goals.

The key is to clearly demonstrate the benefits for everyone involved and make it as easy as possible to get started:

• Communicate the benefits: Show how mantau makes work easier – e.g. through clear tasks, transparent communication, centralised documents and the ability to stay informed at all times.
• Intuitive handling, easy introduction: mantau is intuitive and user-friendly. Volunteers, employees or members can get started without lengthy training. Training courses are optional; a short practical session is often sufficient. And mantau offers user support.
• Argue for relief for the management team: mantau helps to distribute work across many shoulders, delegate tasks and make responsibilities transparent – this reduces overload and ensures the long-term stability of the organisation, e.g. an association.
• Gradual integration: Start with one project or group, let the first successes become visible – and then expand gradually. Positive experiences motivate the remaining members to get involved.
• Make successes visible: Regularly show how mantau saves time, simplifies collaboration and keeps information transparent – this will quickly increase acceptance.
• For associations or communities: Invite members directly, actively involve them in teams so that they participate actively and others feel relieved.

In short: With clear communication, ease of use and visible benefits, teams and organisations are easily convinced – and most members quickly get on board.

mantau bundles tasks, documents and communication centrally and clearly, enabling teams to collaborate efficiently.

With flexible group structures and decentralised administration, the platform adapts to any size of organisation. Management teams are relieved of some of their workload, tasks can be distributed transparently among many shoulders, and new members or volunteers can be easily integrated into teams.

At the same time, mantau ensures maximum data security and GDPR compliance and enables the website to be tailored to strategic goals – all at an attractive price.

Organisers benefit from mantau because they can centrally manage teams, tasks and projects.

• Relief & efficiency: Tasks can be transparently distributed among many shoulders, resulting in less stress and more performance in less time.
• Overview & control: All groups, appointments and documents are clearly structured, with progress visible at all times.
• Actively involve members: New volunteers or team members can be easily found, invited and integrated.
• Secure & GDPR-compliant: Data remains protected and the organisation is legally secure.
• More motivation & quality: Faster, more professional processes make work more enjoyable – and the results are better and more reliable. This is also because the expertise of many participants can be accessed.

In short: mantau makes organisers more efficient, relieves them, increases motivation and quality, and ensures that everything runs faster and more professionally.

mantau offers concrete advantages for every individual in their everyday work or voluntary activities:

• Greater clarity and overview: tasks, appointments, documents and communication are centrally bundled, allowing you to maintain an overview at all times.
• Time savings and efficiency: there is no need to repeatedly ask for or search for information – everything important is immediately available.
• Less stress, more motivation: clear structures, transparent responsibilities and easy collaboration make work faster and easier, leaving more room for creative or important tasks.
• Recognition and appreciation: fast, professional results stand out! This increases recognition, trust and motivation within the organisation.
• Secure & reliable: All personal data is protected – and you can rest assured that the platform is stable and legally secure.

In short: mantau makes daily work clearer, more efficient and more enjoyable, ensuring less stress, more motivation and better results – for everyone.