• Delutube - Lets you view deleted Youtube videos.
  • Video Downloader - a firefox extension that allows you to download youtube videos to your computer from YouTube and most video sites.
  • YouTubeX - allows you to save and download YouTube videos easily using only your IE or firefox browser.
  • TubeSock - grabs YouTube videos from the web and copies them to your video iPod, Mac, or PlayStation Portable.
  • VideoDL - is a quick AJAX application that allows you to download online video into your computer. It supports top 3 video sites - YouTube, Google Video, and Break.com.
  • Download YouTube via bookmarklets - A collection of Greasemonkey scripts and bookmarklets to do the job.
  • Youtube-dl - is a small command-line program to download videos from YouTube.com. It requires the Python interpreter, version 2.4 or later.
  • KeepVid - Download videos direct from most video sites like YouTube.
  • YouTube Downloader - enter url and download YouTube videos.
  • Youtube Grabber - is a free tool that downloads FLV files from youtube.
  • GooTube FLV Retriever - enter the video page URL, download the youtube video.
  • Capture Youtube and Google videos - save them as AVI files encoded in the MPEG4 format, using only one command.
  • YouRipper - a freeware software which enables you to download videos from the YouTube and Google Video
  • Save YouTube Videos - paste the youtube video url and download the video.

Top Youtube Third party tools

  • Splicd - lets you isolate an interesting clip from a YouTube video and provides you with a link to share it with your family, friends, and colleagues.
  • YouTube Userscripts - a collection of scripts to perform several tasks with YouTube.
  • Youtube Video Slideshow - insert a username or a video tag below and it starts a slideshow.
  • fTube - a YouTube player that downloads the list of 25 most recent videos featured on the YouTube front page. The user can select a video from the list and hit the play button to play it in-Flash.
  • TubeCH - YouTube flash player.
  • iTube - grab Youtube videos, then convert and import them into iTunes. Requires .Net framework and works exclusively on Windows.
  • TvTube - For Mac users. Allows you to browse YouTube, Google Video and Yahoo Videos, for movie clips that people upload, choose your favorite clips and add them to your shared library.
  • YouTube API Extraction Tool - PHP script that taps into the YouTube API to deliver videos by tag, by username or what’s a current favorite.
  • YouTube Widget - brings all of YouTubes videos to your Mac Dashboard.
  • Search The Tube - A quick way to find videos for your website, blog or profile.
  • YoutubeCrazyVideos - A Youtube videos desktop player. Freeware.
  • IndexTube - categorized and browsable index of the publicly available Youtube videos.
  • YouTube Podcaster - makes Podcast feed from your submitted keyword or url. The feed is made up from embedded youtube video IDs and all videos are converted to the MP4 file format.
  • MemoriesOnWeb - freeware photo slideshow software for YouTube.
  • Overstream - lets you add subtitles to online videos.

Integrate YouTube In Your Site or Blog

  • YouTube badge maker - will show your viewers images of your 6 most recently uploaded videos.
  • YouTube Wordpress Plugin - Display YouTube videos on your Wordpress blog according to Tags.
  • YouTube Video Gallery Wordpress Plugin - displays a gallery of videos from youtube.com.
  • WordPress Related Videos Plugin - Uses tags to look for related videos on YouTube, displays the three most recent related videos on your WordPress blog post and updates videos automatically.
  • Wordpress Favourite YouTube Videos - Wordpress plugin / widget to display, in a very configurable manner, your latest favorite videos from Youtube.
  • Viper’s Video Quicktags - WP plugin that easily generates codes for copy / pasting to embed videos from sites like YouTube and Google Video or for self-hosted videos into your posts.
  • WP-FLV - Wordpress plugin simplfies the process of inserting flash video files (FLV) inside a Wordpress post or page.
  • TubePress - a highly configurable WordPress plugin that displays YouTube videos in an embedded gallery in posts and/or pages.

Top / Best YouTube Videos Services

  • PureVideo - collects top 10 videos from around the web
  • The World Internet TV charts - tracks the most popular video clips from four leading Internet TV sites.
  • Top YouTube Videos - a daily updated selection of the most popular videos from YouTube.
  • Vidspedia - is a collection of the best Google and YouTube videos, submitted and rated by users.
  • Youtube top-rated - a coverpop with the 1,001 top rated videos from YouTube updated every week.
  • Best of YouTube - a blog selecting the best Youtube videos.
  • Viral Video Chart - tracks the world’s most blogged about videos including GooTube and MySpace.