# Video annotation tools

1\. [YouTube video annotation](http://www.youtube.com/t/annotations_about)

- Web application.
- Free to use.
- Only annotates videos on YouTube. You can only annotate videos you have uploaded, while others can see the annotation.
- Text annotation (“text bubbles” or notes), highlight part of the screen.
- All annotations are editable.

2\. [Project Pad](http://projectpad.northwestern.edu/ppad2/)

- Free to download on the website; [open source under <span class="caps">GPL</span>](http://www.at.northwestern.edu/spoken/p06architecture.html).
- Seems to use Java and Flash; stated requirements include Java, Flash and Quicktime.
- Standalone (as a Java Servlet-based Web application) or as a part of Sakai
- Shows timeline. Annotates with text. Does not look like you can draw on the screen.

3\. [Vertox](http://digitalhistory.concordia.ca/vertov/)

- Made by the Concordia Digital History Lab of Concordia University of Montreal, Canada.
- “Open source”; license unknown.
- Requires “Firefox 2.0 browser and QuickTime Player for Mac or Windows; Java Runtime Environment (Windows only); Zotero, a Firefox extension”.
- Supports “all QuickTime-compatible audio-video formats”.
- Annotates local video files
- Annotates with text, tags, time ranges.

4\. [Video Annotation and Reference System](http://vars.sourceforge.net/ "VARS")

- Seems to be tailored towards a particlar application (annotating videos recorded by unmanned vehicles under the ocean).
- Open source; <span class="caps">GPL</span>
- Java-based

5\. [Multimedia Annotator](http://languageinstitute.wisc.edu/content/projects/authoring_tools.htm)

- Not much info available. Seems to let you annotate your own video file in a standalone application.
- Not free (“$30 for academic license”); no trial version available.

6\. [BubblePLY](http://www.bubbleply.com/)

- Web application.
- Free to use.
- All users can create “Bubbles” (annotated videos); registered (free) users can edit their own Bubbles.
- Annotates remote videos (e.g. those on YouTube) by pasting the <span class="caps">URL</span>.
- Annotates with text, drawing, subtitle, pre-defined clipart, uploaded image file.

7\. [VideoANT](http://ant.umn.edu/)

- Web application.
- Free to use.
- Source: YouTube video
- Annotate with time point marker and text

8\. [Video Annotation through <span class="caps">CCLE</span>](https://moodle2.sscnet.ucla.edu/docs/Video_Annotation)

- Web application
- Need a [<span class="caps">CCLE</span> Moodle site](https://moodle2.sscnet.ucla.edu/course/request.php)
- Annotates videos from YouTube and the [<span class="caps">UCLA</span> TV News Archive](https://tvnews.sscnet.ucla.edu/public/)
- Annotates with text tags and events, as well as geolocation

9\. [vatic](http://carlvondrick.com/vatic/)

- Web application
- Free
- Crowdsource video annotation to Amazon’s Mechanical Turk

10\. [frametrail](https://frametrail.org/)

- Open source, but you will have to host the software
- Annotate with text overlays, images or interactive maps