One of the most popular options for messaging is Signal. Signal is a highly secure messaging app that uses unique encryption methods to protect your conversations. It's open-source, which means that the source code is available for anyone to review, making it even more dependable and secure. Signal also has a clean interface and easy-to-use features, making it accessible to users of all levels.

Another great option is Threema. Threema is a paid messaging app that offers a high level of security and anonymity. It uses end-to-end encryption to protect your conversations and doesn't have ads or tracking. Threema also doesn't require a phone number to sign up, making it a great option for those who value their anonymity. The app also has a built-in chat log that allows you to easily keep track of your conversations.

If you're looking for a more feature-rich alternative to Telegram, you may want to consider Wire. Wire is a free messaging app that offers many of the same features as Telegram, including large group messaging. Wire also has a clean interface and is very easy to use. One of the best features of Wire is its ability to integrate with other apps and services, making it a great option for those who use multiple apps throughout the day.

Another great option is Element, formerly known as Riot. Element is a highly configurable messaging service that offers a wide range of features, including end-to-end encryption. Element is also very secure and reliable. The app also has a clean interface and is very easy to use.

Finally, there's Discord. Discord is a popular messaging app that's primarily used for social gaming communities, but it's also a great option for everyday use. Discord offers a wide range of features, including voice and video calls. It's also very secure and safe. The app also has a clean interface and is very easy to use.

In conclusion, if you're considering leaving Telegram, there are many great alternative communication choices available. Whether you're looking for a highly secure app like Signal or a feature-rich app like Element, there's something out there for everyone. Take the time to explore these options and find the one that best fits your needs and preferences.