Mattermost
Description: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.
Type: software
Pricing: Freemium
Slite
Description: Slite is a knowledge management and collaboration platform that helps teams organize company knowledge, discuss ideas, and make decisions. It allows creating customizable workspaces to store documents, have conversations, and manage company knowledge.
Type: software