Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Truepush - Unleash limitless possibilities with Truepush and save up to $600 monthly. Free up to 10K Subscribers on all features.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
PushCrew - Push Notifications for Websites