BeRoTracker features:

  It's modular!
  Loads 669, BRT, IMF, IT, MOD, MT2, MTM, OKT, S3M, STM, WOW, XM
  Saves BRT, IT, MOD, S3M, XM
  VST/VSTi support
  BTP/BTPi support (own VST/VSTi alternative)
  Automations (incl. VST/VSTi/BTP/BTPi parameter automations)
  Extended instruments (e.g. assign a VSTi/BTPi directly to an instrument
   without using the MIDI instrument settings, though this works too)
  Drum patterns
  Filters:
    + IIRLowPass
    + IIRHighPass
    + FIRLowPass
    + FIRHighPass
    + FIRBandPass
    + FIRNotch
  Extra cutoff AND resonance instrument envelopes!
  LFO for each instrument envelope!
  Extended instrument envelopes
  Supports 8/16/24/32-bit integer & 32-bit floating point mono/stereo samples
  Resampling modes:
    + Raw
    + Linear
    + CubicSpline
    + WindowedFir
    + PolyphaseFir
    + Sinc8
    + Sinc16
    + Sinc32
    + Sinc64
    + Sinc128
    + Sinc256
    + Sinc512
    + Sinc1024
  High quality 32-bit floating point mixer
  Extended automatic click removal
  Extended pattern editor with more columns (extra Pan&Filter columns)
  Piano Roll Editor (only in BeRoTracker Classic)
  MIDI In
  Multi-MIDI Out
  Up to 255 base channels
  WAV export (up to 192 kHz, 8/16/24/32-bit, 32-bit floating point)
  MIDI export (incl. MIDI macros)
  Import & export of almost all Modplug tracker extensions
  Extended effects (e.g. directly assign a effect number to an VST/VSTi/BTP/BTPi parameter)
  Completly written in Object Pascal (Delphi/FreePascal) including Playerengine
  VSTi version of the tracker available
  and more...