Async vs Viber
A side-by-side look at Async and Viber. For an in-depth review of either product, follow the links below.
Async
Development
Async is an open source asynchronous task queue / job queue based on Redis, developed in Python. It allows you to run tasks asynchronously outside of the request/response cycle.
asynchronoustask-queuejob-queueredispython
Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
messagingcallingfreecontacts