DeckDeckGo is a web open source editor for presentations.
It works on any devices (desktop, mobile or tablets), without any prior installation, and even makes your content editable in full screen mode.
Unlike other presentation software, your slides are published as online applications, making them the fastest way to be shared.
Its source code is available on GitHub.
Some Features are:
Create, present and share your slides as Progressive Web Apps
Interact with your audience with live polls
Use predefined rich and responsive templates
Search Unsplash and Tenor GIFs
Integrate easily YouTube video
Showcase your best developer code snippets
Interact with your presentations with a remote control
Present and work offline
Push the source code of your online slides to GitHub
Import Figma frames