Other full feature free video editors

• Blender 3D
  • a free full feature 3D animation software, that has video editor built-in
  • windows, mac, linux
  • https://www.blender.org/
  • Ease of use: Medium (ref: https://www.blender.org/features/)
  • Format support: wide range
• VideoLAN Movie Creator
  • a free video editor made by one of the best video player software maker.
  • windows, mac, linux
  • http://www.videolan.org/vlmc/
  • Ease of use: Easy
  • Format support: wide range
• Natron 2.0
  • a free powerful compositing software
  • windows, mac, linux
  • http://natron.fr/
  • Ease of use: High learning curve
  • Format support: wide range
• Fusion 8
  • a free powerful compositing software, from same company of DaVinci Resolve
  • win, mac, linux
  • https://www.blackmagicdesign.com/products/fusion
  • ease of use: high learning curve
  • Format support: wide range

• all of them have the features you need to get the job done, there is not much difference. It is all based on personal preference.
  • Adobe Premiere Pro: if you use Adobe software suite, then it make sense for you
    • windows, mac
    • http://www.adobe.com/sea/products/premiere.html
    • it has tiny version called Adobe Premiere Element: http://www.adobe.com/products/premiere-elements.html
  • Final Cut Pro X: only if you have Mac
    • mac only
    • http://www.apple.com/sg/final-cut-pro/
  • Sony Vegas Pro
    • windows only
    • http://www.sonycreativesoftware.com/vegassoftware
  • Avid Media Composer
    • windows, mac
    • https://www.avid.com/US/products/Media-Composer

• Lightworks Free version: limited to HD 720p mp4 video output.
  • windows and mac
  • https://www.lwks.com/

• HitFilm 3 Express: no AVCHD video import, limited to FHD 1080p mp4 video output and image sequence output
  • windows and mac
  • a good video editor with a lot of visual effects and stock footage features built-in, targeting at indi film makers, the extra effects and footage can be get in the software itself with pay-to-use method
  • http://hitfilm.com/store/hitfilm-3-express#effects-starter
  • quick overview tutorial: https://www.youtube.com/watch?v=DtwZ8wahH6M

• although they are old from 2005 and unsupported software for modern computers, but Adobe provide free download for those old customers who still use them, and also put the ready-to-use serial code public for their old customers.
• so technically you can download them and use the code like their old customers
• link of download, press Escape key (ESC key on top left of keyboard) if you don't want the page to auto jump to login page. https://helpx.adobe.com/creative-suite/kb/cs2-product-downloads.html
• the Mac version I think will not run on modern Mac well, as Mac OS generally change too much in each version
• the Windows version I think I will run fine with compatibility mode turn-on when right click on application and set up in compatibility property tab. or just virtual box and run a windows XP to use them.
• read more on this article: http://blog.rainwebs.net/2013/01/27/adobe-cs-2-on-windows-8/