Glip is fully searchable, real-time group chat; video chat, task management, file sharing app.

Taskulu is a Flexible task management, realtime chat, time logs and deep integrations.

TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.

Dapulse is a smart collaboration and communication app you can use to get your team members working in sync in one place.

Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.

Teamwork Projects is a project management app.

Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.

Bizimply provides scheduling and attendance without the paperwork.