Blender is an open source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.

Features include:

• Photorealistic Rendering
• GPU & CPU rendering
• Realtime viewport preview
• HDR lighting support
• Permissive License for linking with external software
• Fast Modeling
• Keyboard shortcuts for a fast workflow
• N-Gon support
• Edge slide, collapse and dissolve
• Grid and Bridge fill
• Python scripting for custom tools and add-ons
• Realistic Materials & Textures
• Complete Node Support for full customization
• Physically accurate shaders like glass, translucency and SSS
• Open Shading Language (OSL) support for coding unique shaders
• Rigging
• Animation
• Compositing
• Simulation
• Game Creation

Shotcut is a free, open-source video editing program.  Don't let the simplistic interface fool you, this editor has a lot of great features tucked away behind the scenes, so to speak.  With support for a variety of formats, this editor sits among the very few free alternatives to programs such as Adobe Premier or Final Cut.

A list of features from the developer's website are listed below:

• Supports oodles of audio and video formats
• Supports many image formats such as BMP, GIF, JPEG, PNG, SVG, TGA, TIFF
• Frame-accurate seeking for many formats
• Multi-format timeline: mix and match resolutions and frame rates within a project
• Audio signal level meter & Volume control
• Scrubbing and transport control
• Flexible UI through dock-able panels
• Encode/transcode to a variety of formats
• OpenGL GPU-based image processing
• Video filters: Blur, Color Grading, Crop, Glow, Invert Colors, Mirror, Rotate, Saturation, Sepia Tone, Sharpen, Stabilize, White Balance
• Audio filters: Balance, Copy Channel, Downmix, Normlize, Gain, Pan, Swap Channels
• 3-way color wheels for color correction and grading
• Control video zoom in the player: fit viewable area (default), 50%, original (100%), and 200%
• Multitrack timeline with thumbnails and waveforms
• Audio mixing across all tracks
• External monitoring on an extra system display/monitor
• Cross-fade audio and video dissolve transitions easily by overlapping shots
• Video wipe transitions: bar, barn door, box, clock (radial), diagonal, iris, matrix, and custom gradient image

Freemake video converter will convert video between just about any video formats.  Use presets for mobile devices, DVD, Blu-Ray, YouTube, HTML5, SWF, and more, or customize your frame-rate, resolution and bit-rate to tailor the video to suit your own needs.

In addition, you can trim the video and get just the portion you want for the output!  For a FREE program, you really can't beat all the file formats and compression options you get combined with a refined and easy to use interface.  A must-have for video enthusiasts or even the average YouTuber.