What are the best cross-platform encrypted messaging apps?

Platforms:MacOS, Windows, Linux, Android, Browser, iOS

End-to-end encryption:Yes (optional)

Media:All File Types

Audio recording:Yes

Platforms:Android, iOS, Linux, Windows, Mac OS X

End-to-end encryption:Yes

Media:images / audio / video / files / contacts / GIFs / location

Audio recording:Yes

Platforms:Web iOS Android OSX Windows Linux

End-to-end encryption:Yes

Media:images / video / audio / GIFs

Audio recording:No

Platforms:Web, Android, iOS, Windows, Linux, macOS, BSD, Windows phone, UWP

End-to-end encryption:Secret chats

Media:images / video / audio / GIFs / stickers / PiP Video / Videomessages

Audio recording:Yes

Android version:4.1+

Platforms:Android / iOS / WP

End-to-end encryption:Yes

Media:images / video / audio

Audio recording:Yes

Platforms:Android / iOS

End-to-end encryption:Yes

Audio recording:Yes

VoIP:Yes

Platforms:Windows, Linux, Mac, BSD

Platforms:Android / BB / iOS / WP

End-to-end encryption:Yes

Media:images / video /audio / emoji

Audio recording:Yes

Platforms:Android/F-Droid/APK/Play Store, iPhone, Mac, Windows, Linux

End-to-end encryption:Only

VoIP:Yes

Platforms:Android, iOS, Windows

End-to-end encryption:Yes

Media:images / video / voice chat / files

Platforms:Android, iOS, Web, Mac, Windows, Windows Phone

End-to-end encryption:Yes

Media:images, video, audio, documents

Audio recording:Yes