Top Alternatives to Fission

Audacity is a powerful, free, and open-source cross-platform audio editor and recording software. It provides a comprehensive suite of tools for manipulating audio files, mixing tracks, applying effects, and recording sound from various sources. Ideal for beginners and experienced users alike, it's a versatile solution for a wide range of audio tasks.

Nero WaveEditor is a comprehensive audio editing tool designed for both beginners and experienced users. It provides a wide array of functionalities, from basic recording and cutting to applying complex audio effects and filters.

WaveShop is a free, open-source audio editor for Windows, designed for efficient bit-perfect editing of audio files. It focuses on precise audio manipulation without altering samples unless necessary, making it ideal for tasks like trimming, fading, and format conversion.

TwistedWave is a powerful and efficient audio editor for Mac, iPhone, and iPad. It provides a clean interface for recording and editing audio files, supporting various formats and offering a range of effects and mastering tools suitable for podcasting, music production, and voice-over work.