Trillian Alternatives (January 2026)

Trillian

Trillian | Modern and secure instant messaging

https://www.trillia.im/

Trillian is easy-to-use, HIPAA-compliant instant messaging for people, business, and healthcare. Send messages, share files, and much more!

4.6/5

400+ reviews

Reviewed on:

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1.
Rocket.Chat: Communications Platform You Can Fully Trust
https://rocke
.chat/

Explore Rocket.Chat, where we put data privacy into every conversation and enable teams to collaborate seamlessly.

2.
Keybase
https://keybas
.io/

Keybase is for keeping everyone's chats and files safe, from families to communities to companies. MacOS, Windows, Linux, iPhone, and Android.

3.
LAN Messenger, Office Chat – Secure team messaging app.
https://messenger.softro
.com/

How to send messages, start video calls, transfer files over a local network? Download LAN Messenger for Windows, Android, and Mac for secure team chat in an office.

4.
Mobile and Web-Based Instant Messaging App For Enterprise - HCL Notes
https://www.hcl-softwar
.com/notes/

HCL Notes is the email client software that supports social collaboration. Integrates enterprise applications in a single workspace with agile security from the core.

5.
Office Chat - Best Instant Messaging Software for Small Businesses
https://officecha
.com/

Office Chat is a Fast, Simple and Secure Messaging App For Smartphones and PC. Mobile teams and businesses use Office Chat to share rich messages, documents, pictures, videos and location with their colleagues.

6.
Enterprise Cloud Solutions for email, fax, and SMS
https://www.retaru
.com/

Ensure communication with customers and suppliers, modernize messaging infrastructures and automate manual business processes thanks to Retarus’ intelligent cloud solutions.

7.
eM Client | The Best Email Client for Windows and Mac
https://emclien
.com/

Fast email client with full Gmail, Hotmail and other services synchronization. Best replacement for MS Outlook or Thunderbird. Free version for Home users.

8.
Web based Instant Messaging App | Client Email Solution - HCL Verse
https://www.hcl-softwar
.com/verse/

HCL Verse is the best instant messaging app and enterprise email management software for web-based mail clients powered by messenger software to provide an instant and secure messaging application.

9.
Zulip — organized team chat
https://zuli
.com/

Zulip is an organized team chat app, designed for efficient communication.