Based on the UDP protocol and self-developed audio codecs, the Agora Voice SDK provides reliable real-time audio services. For details, see Agora Voice Call, Interactive Live Streaming Premium, and Interactive Live Streaming Standard. Agora has released the Agora Web SDK 4.x, which is not backward compatible with the Web SDK 3.x and earlier versions. To download the Web SDK 3.x, refer to the 3.x Web SDK section below.

Based on the UDP protocol and self-developed audio and video codecs, the Agora Video SDK provides reliable real-time audio and video services. For details, see Agora Video Call, Interactive Live Streaming Premium, and Interactive Live Streaming Standard. Agora has released the Agora Web SDK 4.x, which is not backward compatible with the Web SDK 3.x and earlier versions. To download the Web SDK 3.x, refer to the 3.x Web SDK section below.

Agora has released the Web SDK 4.x. For details, see Introduction to the Web SDK 4.x. Agora will maintain the Web SDK 3.x, but may not be able to add all the new features in the 3.x due to structural differences. See the release notes of the 3.x.

Agora Real-time Messaging (RTM) SDK provides reliable, high-concurrency and global messaging services. For details, see Real-time Messaging.

The Agora On-premise Recording SDK is a component provided by Agora to record and save voice calls, video calls, and interactive streaming on your server. For details, see On-premise Recording.

To facilitate the development in various platforms and frameworks, the Agora community has extended the Agora SDK to a number of cross-platform frameworks.

Agora MediaPlayer Kit is a plug-in to support locally playing media resources and synchronously sharing media streams in MP4, AVI, MKV, FLV, HTTP, RTSP and RTMP formats or protocols with remote users. For details, see Agora MediaPlayer Kit.

Demonstrates how to use the Agora Video SDK, Agora RTM SDK, and third-party image enhancement SDK to implement the online social scenarios.

To illustrate Agora Voice and RTM SDK experience and capability in social use cases.

Demonstrates how to use the Agora Video SDK, Agora RTM SDK, Cloud Recording, Edu Cloud Service, and the third-party Whiteboard SDK to implement the online interactive tutoring scenarios.

Make international high-quality calls.

Enjoy high-definition video communication anywhere, anytime. For Android devices, please use the browser to scan the QR code to download the APK file.

Try the basic video call implemented by the RTC Web SDK v4.x.

Try the basic interactive live streaming implemented by the RTC Web SDK v4.x.

Try the basic real-time messaging implemented by the RTM Web SDK.

Try the advanced features implemented by the RTC Web SDK v4.x.