Real Time Weekly #274: April 1, 2019

In this issue we’ve got two tutorials about Firebase, a great article from Janus about Simulcast, a tutorial from Pusher about React Native, Face Recognition with Raspberry Pi, and more!

If you want to publish blog posts here, propose new topics, or just want to say hello, write me directly at

What is Firebase? 


Gabe Christiansen
March 23
A getting starting video tutorial to learn the basis of Firebase.

Creating WhatsApp Clone Using FirebaseRTW2.jpeg

Bilguun Batbold
March 23
A tutorial of how to build an iOS chat app like WhatsApp using Firebase.

Send cross-platform, cross-device native push notifications with our simple, unified API

March 25
Ably now supports native mobile push notifications.

Simulcast and Janus: what’s new? (and where’s my SSRC?)


March 27
Lorenzo Miniero gives an overview to Simulcast and how it’s implemented in Janus.

Creating a Live Multiplayer Quiz App in React Native


March 27
How to create a quiz app which can cater to multiple users in real time for React Native using Pusher.

Creating a Smart Assistant using Twilio Voice, Amazon Alexa, and LaravelRTW6.PNG

March 28
A tutorial of how to create a virtual personal Assistant for Alexa using Twilio Voice SDK.

[SPONSORED] Now Hiring a WebRTC & VOIP Developer!RTW7.PNG
March 29 seeks remote, talented and fast-learners with experience in WebRTC and or VoIP/telephony to join our team of remote developers in building innovative communications tools for clients around the world.

Real Time Face Recognition with Raspberry Pi and OpenCVRTW8.PNG

Aswinth Raj
March 29
How to build a Face Recognition system using the OpenCV Library on Raspberry Pi

Upcoming Events 

Do you have a real-time related conference coming up? Tell us about it! Email to be included in this listing.

Custom Video Capture with OpenTok
April 17, 2019

TADSummit Asia KL
May 28 – 29, 2019

The Janus Conference for Janus Users.
September 23 -25, 2019

TADSummit Americas, Chicago
October 15 – 16, 2019

TADSummit EMEA, London
November 19 – 20, 2019

If you know about any events worldwide please let us know emailing 

Real Time Weekly is a free service of If you have been forwarded this by a friend, then please sign up at RealTimeWeekly so you never miss an issue! Please send tips or suggestions to German Goldenstein, editor,

Recent Blog Posts