Best Push Notifications Software for Linux

OneSignal is the market leader in customer engagement, powering mobile push, web push, email, and in-app messages for over 1 Million developers and marketing teams. OneSignal takes just minutes to setup, and makes it easy for you to send push notifications and messages to all your users. Access robust features including segmentation, automated messaging, intelligent delivery, A/B testing, and real-time reports. Built for developers, OneSignal makes it easy to code in the language you know with any development environment - all with less than 10 lines of code. It's also the most flexible push provider, with integrations to top analytics providers, DMPs and CRMs, plus Zapier to connect with 1400+ apps and platforms. OneSignal is free to send messages to an unlimited mobile subscribers and up to 10K web push subscribers. OneSignal is used by 76% of the top million sites with push notifications (source: Builtwith).

Backendless is a Visual App Development Platform (VADP) that combines API, user, and database management functionality with a user-friendly, web-based interface and UI Builder. Backendless offers the ability to send emails and push notifications and supports real-time chat and geolocation-based functionality. A Backendless application can be customized with manually written code or using our Codeless logic builder. The platform can be hosted on our cloud servers or installed and managed on your own private servers. The Backendless UI Builder allows you to build fully functional web and mobile apps. You can use the UI Builder, or Backendless works seamlessly with virtually any client-side environment, automatically morphing data to the proper format for the frontend operating system. A Backendless database can also be connected to external databases, allowing you to maintain existing data sources while also being able to manage those databases using Backendless' intuitive interface.

Ably is the definitive realtime experience platform. We power more WebSocket connections than any other pub/sub platform, serving over a billion devices monthly. Businesses like HubSpot, NASCAR and Webflow trust us to power their critical applications - reliably, securely and at serious scale. Ably’s products place composable realtime in the hands of developers. Simple APIs and SDKs for every tech stack, enable the creation of a host of live experiences - including chat, collaboration, notifications, broadcast and fan engagement. All powered by our scalable infrastructure.