This is an issue where I will collect all requested formats for import/export:

• Mplayer .edl
  • Import
  • Auto-import based on extension? Auto import EDL files based on extension and/or same file name #1185
  • Export
• CMX 3600 .edl
  • Import
  • Export
• Text chapters / YouTube
  • Import
  • Export
• DaVinci Resolve / Final Cut Pro XML
  • Import
  • Export
• Final Cut Pro FCPXML
  • Import
  • Export Export to FCPXML so we can import it in NLEs like Davinci Resolve, Final Cut Pro, etc. #2328
• Sony Vegas
  • Import
  • Export
• CUE Sheet
  • Import
  • Export
• PotPlayer .pbf Pbf Parsing #993
  • Import
  • Export
• CSV seconds
  • Import
  • Export
• CSV frame numbers
  • Import
  • Export
• CSV timestamps (HH:MM:SS) Allow importing all exported segment formats #1176
  • Import
  • Export
• TSV/TXT timestamps
  • Import
  • Export
• Subtitles (SRT) SRT to cut ? #1332
  • Import
  • Export
• AviDemux Import project scripts from AviDemux #950
  • Import
  • Export
• Vprj (VideoReDo) Vprj (VideoReDo) Cut Import #1300
  • Import
  • Export
• SolveigMM Video Splitter .ssp
  • Import
  • Export
• DVAnalyzer By_Frame.txt or Summary.txt DV/HDV Metadata Reading, Chaptering & Splitting by Creation Date Code. #1664 (comment)
  • Import
• Cutlist
  • Import Add cutlist (OTR) import option #1952
  • Export
• Kdenlive
  • Import kdenlive #2182
• OpenTimelineIO (.otio) Feature Request: OpenTimelineIO (.otio) Import/Export Support #2441
  • Import
  • Export
• Matroska Chapter XML
  • Import
  • Export
• Shotcut converting shotcut projects to losslesscut #2698
  • Import
  • Export

Some example files here:

• https://github.com/mifi/lossless-cut/tree/master/src/fixtures
• https://github.com/mifi/lossless-cut/blob/master/src/edlFormats.test.js