Apps similar to Pushwoosh include Pushbullet, which has a free version. Other options are Gotify, Pushover, AirMore and Two Potatoes. Mobile Remote Control Tools like Pushwoosh are a crowded field, with more than 25 alternatives for Windows, Android, the web, iPhone and Mac.
Share links, files, photos, lists, and notes between phone and desktop, mirror notifications, manage messages, and sync clipboard with multiple platforms or friends using basic or advanced features, including real-time transfers and encryption.
United States
Gotify is a service for sending (via a REST-API) and receiving (via browser/android app) push notifications.
Germany
EU
Pushover is a simple push notification service that integrates easily into web apps, network monitoring systems, shell scripts, and anything else that needs to send alerts to your mobile devices.
United States
AirMore is a cross-platform tool to access mobile devices wirelessly over the web. It can transfer Android and iOS device files to PC and vice versa.
Two Potatoes is a secure, zero-knowledge file vault for sharing encrypted files without creating an account.
Morocco
Join is a mobile and desktop application that lets you remotely control many aspects of your Android phone through Tasker integration, as well as send and receive files, SMS, screenshots. It also has universal copy/paste and screenshot mirroring.
PortugalEU
Amazon Simple Notification Service (SNS) is a push messaging service that makes it simple & cost-effective to push to mobile devices & distributed services.
United States
Send Tab to Device Enhancer intercepts tabs send to this device (using "Send Tab to Device" feature in Firefox) and moves them to a separate window and then highlights it on your taskbar.
SlovakiaEU
DeskCon integrates your Android Device in the Desktop. Receive Notifications, Files and Commands from your mobile Device on your Desktop PC.
QPush is a free service that lets you easily push text and links from PC to iPhone. No need to send emails to yourself or wait for Evernote to sync anymore!
Everyday problem: a file needs to be copied from a desktop computer to a mobile device (or another desktop computer somewhere on the internet).
