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Safe messaging for families and friends Share messages, photos and videos
only with the people you want to


Sign up FREE to get started today.
Communicate online with your family safely.

Ease of use

ChatFOSS works on any device. Use via mobile app or internet browser.


Military-grade AES256 encryption. Secure servers actively monitored 24/7.


You are in control of who can communicate with you and your family.


All your information belongs to you only at all times.

How ChatFOSS Works for You

Enjoy chatting with family and friends you choose. You are in control of your groups. No one can contact you or your family without you inviting them first.


Designed in conjunction with teachers, parents and children to remove the risks of other communication apps


Your information remains yours only.


You manage who contacts you and which groups you join


A great way to stay in touch and share photos, videos and messages with family and friends


Children, parents and grandparents can chat and share without any of the noise of social media


Access your emails, messages and files from any device on any platform.

Try ChatFOSS today!

Start communicating in private

Frequently Asked Questions

How do I start using ChatFOSS?

Register as a parent at the sign up page and set up your family. The process does not take long, but it is more involved than a simple download. This is because the security of all our users is paramount.

We require credit card details in order to ensure that we have a verifiable way of identifying the adult setting up the account.

We do not charge for the first month and you can cancel at any time.

Once your account is set up you can add users and start chatting with your family and friends on ChatFOSS.

How do I make friends on ChatFOSS?

Firstly, you are automatically friends with everyone in your ChatFOSS family - that is all users set up by the same person.

To add more friends on ChatFOSS simply swap ChatFOSS usernames and add your friend to your list of friends. Once they do the same, you can start chatting.

Since ChatFOSS is designed to be private, neither you nor your friend will be able to see that the other wants to chat with you. This is to prevent people you don’t really want to communicate with guessing your username and bothering you.

If your friend does not have a ChatFOSS ID or you don't know it, you can invite them by using their (or their parent's if they are a child) email address or phone number to send them an email or SMS inviting them to join ChatFOSS.

You can remove a friend at any time.

How is ChatFOSS different from other communication apps?

In ChatFOSS no-one can contact you other than those you have requested and accepted as friends. Only if both users have independently requested to be friends with each other can they connect. This stops people searching for you and communicating with you. It means that you are in control of whom you communicate with online and prevents unwanted messages.

ChatFOSS parents receive a notification each time one of their family members adds a new friend.

ChatFOSS carries no advertisements or in-app purchases. We will never sell your data. Your information is yours only.

Do you provide a free trial?

Yes! The first month is free.

Can I set up a group chat?

Yes, ChatFOSS groups are called circles. A family circle is created for each family automatically.

To set up a new circle, create a list of friends and invite them. They only join the circle if they accept. This prevents anyone from adding you to messaging groups you do not want to be part of. You are in control of whom you are talking with.

Why should we use ChatFOSS?

ChatFOSS uses start-of-the-art security technology so that when you share pictures, videos and messages with your family and friends you can be confident that they will not be found by someone else and published on the internet.

ChatFOSS is not just designed to be secure, it is designed to be private. Every conversation is conducted within a private channel, and every conversation stays in that channel.

When a family chats in their own home they can rest assured that no one is listening. ChatFOSS provides you with the online equivalent.