AVS Video Converter Convert and edit video/DVD, rip and burn personal DVDs, copy to mobiles. All key formats are supported. Convert Video between Almost Any Formats:HD Video (inc. AVCHD, MPEG-2 HD and WMV HD), TOD, MOD, M2TS, AVI (DivX, Xvid, etc.), MP4 (inc. Sony PSP and Apple iPod), WMV, 3GP, QuickTime (MOV, QT), SWF, DVD, VOB, VRO, MPEG-1, 2, 4, H.263, H.264, Real Video, DVR-MS, MKV, FLV,etc.Use DVD menu templates. Split your movie into chapters. Watch them on your home DVD player.

Movavi Video Editor (former EnhanceMovie) all the video editing software tools you need in one great product. Import media from different sources. Edit video, add soundtracks and titles. Apply filters, transitions, and special effects.
Video editing timeline panel lets you edit video with separate video, audio, and title tracks

Movavi Video Suite gives you SIX amazing video tools in a single package. Edit. Convert. Split. Capture. Burn. Rip. Create DVD. Save video to Mobile Device, Convert videos & unprotected DVDs to run on any mobile device. Use the new Storyboard to edit videos, insert transitions, and add filters and special effects. Capture video from your digital and web cameras. Split, merge, cut, crop, rotate video with a single click. Rip, backup and copy DVDs. Burn data, audio, and video CDs and DVDs. Quickly create Hollywood-style DVDs with animated themes

Video Editor for Mac is a great partner working with iMovie. Using it you can easily export flv, wmv, mkv to MP4, M4V, MOV, AVI, 3GP which are supported by iMovie, then it will be an easier thing for imovie to import them and export later on for playback onto iTunes, QuickTime.