Zencoder
Zencoder is the creator of an open-source HTML5 video player, Video.js, built with Javascript, HTML, and CSS. Video.js plays video via native playback in all HTML5 browsers and devices, or through Adobe Flash when HTML5 playback is not available.
Adobe Wallaby
Adobe Wallaby is an application that turns FLA files into HTML5. On March 8, 2011, Adobe Systems released the first version of an experimental Flash (FLA files) to HTML5 converter, code named "Wallaby". It has been quickly superseded by various other Adobe tools.