Franz Alternatives

Digital workspace organizer that allows you to unify as many applications as you want, all in one place. It is perfect for those who care about productivity while working with many business and personal apps.

freemium $7.0 / Monthly (Pro Plan)

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Open Source

The complete stand-up and follow-up bot

Try for free freemium $29.0 / Monthly (Flat price)

Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Facebook Messenger is a faster way to message.

Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.

Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps

freemium

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

free

Apps/Empathy - GNOME Wiki!

Open-source video calling and chat platform.

Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.

Chat everywhere! IM+ is the most widely used mobile IM app! Connect all-in-one to MSN, Yahoo!, Goo...