Based on our record, ClipGrab seems to be a lot more popular than Flash Video Downloader. While we know about 23 links to ClipGrab, we've tracked only 1 mention of Flash Video Downloader. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Or, maybe you're talking about this one https://web.archive.org/web/20180511014655/https://addons.opera.com/en/extensions/details/getthemall-any-file-downloader/ that was made by https://everhelper.me/. (Clicking the "add to Opera" link doesn't work unfortunately because the downloaded link itself was never archived). Source: almost 3 years ago
An app called ClipGrab works well enough for me: https://clipgrab.org. - Source: Hacker News / 3 months ago
I don't think it's illegal. I use a clipgrab for that. Source: 10 months ago
I haven't seen a better and simpler app for this purpose than ClipGrab. It's free, it's multiplatform. Source: 11 months ago
Clipgrab is pretty decent, and I believe it is QT based. It is available in most distro repos depending on what you're running. Source: 11 months ago
Then I love Shottr for better screenshots, AppCleaner for automatically delete all the related files when deleting an app and ClipGrab to download from youtube any video/audio. Source: 12 months ago
Video DownloadHelper - Browser extension to download videos from the Web
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
FastestTube - Youtube fastesttube downloader will make your internet expirience faster harder beter stronger.How to merge video and audio .
Video Downloader All - Video Downloader All is the name of a free to use and state of the art downloader that is available in form of extension for Google Chrome web browser.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
FlashGot - FlashGot is a browser extension for Mozilla Firefox that is designed to make it easy to download a whole batch of files in one go. The extension is open source and free to use, but it is no longer compatible with the most recent version of Firefox.