LibreKit (formerly Tube++)

LibreKit is an easy-to-use software application that integrates handy features for locating online videos, downloading them to the hard drive and putting together playlists with vast collections. Its settings are intuitive enough to be figured out by all types of users, even those with minimal experience in such apps.

Elegant and approachable GUI

At startup you are required to log in with an email address and password (will be automatically registered). The interface has a pleasant appearance and it is simple to navigate.
LibreKit provides a search function to look for online videos. The thumbnail and video name for each result is found, and you can inspect the details pertaining tot he total number of videos and duration.

Download and convert videos, create playlists

It is possible to create a download list with multiple entries or directly download clips to MP4, Flash, WEBM, MP3 or AAC format, copy video links to the Clipboard or open them in the default web browser, as well as pick the default audio and video format. Playlists can be also saved and imported at a later time. What's more, the audio stream from video files with the FLV extension can be extracted and saved to MP3 type.

Evaluation and conclusion

The tool offers support for multiple languages, has a good response time, downloads files rapidly and runs on low CPU and RAM, so it shouldn't put a strain on computer performance. No errors were shown in our tests, and the app did not hang or crash.
To sum it up, LibreKit offers a simple and effective solution to downloading video clips, backed by several handy tools.