Shotcut is a free, open source, cross-platform video editor.

Features:

• supports oodles of audio and video formats and codecs thanks to FFmpeg (or libav as-built)
• supports many image formats such as BMP, GIF, JPEG, PNG, SVG, TGA, TIFF as well as image sequences
• no import required - native editing
• frame-accurate seeking for many formats
• multi-format timeline: mix and match resolutions and frame rates within a project
• screen capture (Linux only) including background capture to capture a Shotcut session
• webcam capture (Linux only)
• audio capture (Linux only; PulseAudio, JACK, or ALSA)
• network stream playback (HTTP, HLS, RTMP, RTSP, MMS, UDP)
• frei0r video generator plugins (e.g. color bars and plasma)
• Blackmagic Design SDI and HDMI for input and preview monitoring
• JACK transport sync
• deinterlacing
• detailed media properties panel
• recent files panel
• drag-n-drop files from file manager
• save and load trimmed clip as MLT XML file
• load and play complex MLT XML file as a clip
• audio signal level meter
• volume control
• scrubbing and transport control
• flexible UI through dock-able panels
• encode/transcode to a variety of formats and codecs thanks to FFmpeg (or libav as-built)
• capture (record) SDI, HDMI, webcam (V4L2), JACK, PulseAudio, IP streams, X11 screen
• stream (encode to IP) files and any capture source
• batch encoding with job control
• create, play, edit, save, load, encode, and stream MLT XML playlists
• unlimited undo and redo for playlist edits including a history view
• connect to Melted servers over MVCP TCP protocol
• control the transport playback of Melted units
• edit Melted playlists including suport for undo/redo
• OpenGL GPU-based image processing
• multi-core parallel image processing when not using GPU (and frame-dropping is disabled)
• video filters: Blur, Color Grading, Crop, Glow, Mirror, Saturation, Sharpen
• 3-way (shadows, mids, highlights) color wheels for color correction and grading
• eye dropper tool to pick neutral color for white balancing
• translated to Spanish, French, Czech, and German

Requirements:
macOS 10.12+