Campfire

Unison gives you secure "rooms", team spaces where you can post updates or files, get feedback and talk live as a group. Unison works from your smartphone, tablet, or computer. …

HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable chat history, file sharing via drag & drop and clipboard, inline …

Tlk2me is simple real-time messaging platform which is designed exclusively for groups. It is a web-based group chat tool that lets create chat rooms instantly. Invite a friend, client, colleague, …

Glip is your team’s collaboration platform to plan, share & organize work real-time. Enjoy unlimited text & video chat with a 60 free trial (no credit card required) and productivity …

Flowdock is a beautiful group chat. You can upload files, paste blocks of text, use #hashtags to make notes or create lists and mention others’ names to get their attention. …

co-meeting is a text-based group discussion tool. This live-typing chat tool lets you have a conversation that can also deliver the “atmosphere” which was impossible to share with your participants …

Jaconda is designed as an easy-to-use company chat. It offers persistent chat rooms with searchable history, file sharing, guest access and more. It integrates with Jabber/Gtalk and can be used …

[ DISCONTINUED, continues as Grove: http://blog.convore.com/post/17951919109/convore-shutting-down-april-1st ] Convore is a quick way to instant message with groups of friends in real-time. You can join in on conversations about topics that …

A chat application built with ASP.NET and SignalR. Contribute to JabbR development by creating an account on GitHub.

Disposable online chat. With anologue you can quickly and easily engage in an anonymous (or not) linear dialogue with any number of people (within reason). No accounts. No installations.

AnybodyOutThere helps individual users easily find other like-minded people to chat without first having to search through numerous forums and endless chatroom wastelands. The site connects users based on their …

Opensource Social Group Chat written in Ruby On Rails EchoWaves is a Collaboration Tool and a Social Network. EchoWaves is as powerful as CampFire, and as simple to use as …

Get your own private IRC server for your company with archives and search. Currently setting up an IRC server takes time, resources and custom solution to archieve some of the …

Сервис Slack устраняет необходимость использования внутренней электронной почты для ведения делового общения. При этом сервис комбинирует возможности группового обмена сообщениями, передачи файлов, отправки уведомлений. Все эти функции доступны в рамках …

Free Group / Team chat with persistent history.

Open Source private chat server. Your own private Chat server in minutes, plus additional features. No credit card required. A fast, secure and stable solution based on Rails.

YoFrog is mobile group chat with private rooms of friends. When texting is too limited and tweeting too public, make a space for you and your friends.

Microsoft Teams — корпоративная платформа, объединяющая в рабочем пространстве чат, встречи, заметки и вложения. Разработана компанией Microsoft как конкурент популярного корпоративного решения Slack.