TubeDigger is an advanced, universal online video downloader from Ukraine. Thanks to its focus on various sniffing and cracking technologies for online videos, it has become the admitted and currently world's most powerful online video universal downloading tool that is truly capable of killing almost any video websites. Up to this day, still no comparable software has emerged.

Allavsoft (full name: Allavsoft Video Downloader Converter) is a professional, user-friendly and multi-functional automatic web video downloading, converting and merging tool. On the one hand, it supports automatically downloading various resolutions of videos from 100+ popular video sharing websites all over the world (such like: YouTube, Facebook, YouKu, eHow, Vimeo, MTV, BBC, DailyMotion, etc.). In addition, it also comes with practical functions like video format conversion, video to audio conversion.

WebM is an open, high-quality video format defined by Google, specially designed for the web to save disk space and speed up the video file transfer. Its essence is a kind of new container format based on MKV that contains video streams compressed with the VP8/VP9 video codecs and audio streams compressed with Vorbis/Opus audio codecs.