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
Smartsheet
Description: Smartsheet is a collaborative work management and project management software. It uses a spreadsheet-like interface to help teams plan, capture, manage, and report on work. Key features include Gantt charts, file attachment and collaboration, automated workflows, and integrations with other apps.
Type: software