The workplace collaboration platform, which fits on top of email, has launched in closed beta and raised $17m from backers including Salesforce Ventures.

US-based workplace communication platform developer RedKix launched its service in beta yesterday and revealed it has raised $17m in funding from investors including enterprise software provider Salesforce.com.

Other RedKix backers include venture capital firms Wicklow Capital and SG VC, and several angel investors from the enterprise software industry. Salesforce invested through Salesforce Ventures, its corporate venturing subsidiary.

RedKix is developing a workplace communication and collaboration platform that adds features like grouped message organisation, and real-time and group messaging to existing…