Stork

Pumble is a free team chat app allowing teams to collaborate and cut down on email, centralize communication, and improve productivity. Pumble offers unlimited number of users, unlimited chat history, voice calls and video calls, all for free. Every message will find its recipient quickly through private, direct or public channels, file sharing, or threads and mentions. More options are available in paid plans aimed towards professionals. Your communication hub will help manage non-desk employees, daily operations, communications, and human resource management. Pumble’s paid plan include features like: Screen sharing in video calls Customizable sidebar Guest access Managing user accounts options More file storage - 10GB per team member Pumble is available across platforms (web, Android, iOS, Windows, and Mac). Avoid messy emails, keep your communication organized and improve productivity with Pumble.

Rocket.Chat is a fully customizable, open-source communications platform for organizations with high standards of data protection. It enables real-time conversations between colleagues, with other companies, or with your customers, regardless of how they want to connect with you. Compared to similar players in the industry, such as Slack and Microsoft Teams, Rocket.Chat offers an on-prem deployment that enables organizations to take full ownership of their data. Rocket. Chat's open-source nature makes it more flexible to meet specific company needs and more scalable to follow your organization's growth. It also holds the only true MIT open-source license. We have over 1000 developers across the world contributing to the open-source code. Every day, tens of millions of users in over 150 countries and in organizations such as Audi Business Innovation, Deutsche Bahn, The US Navy, and Credit Suisse trust Rocket.Chat to keep their communications completely private and secure.