Best Spesoft Audio Converter Alternatives & Competitors in 2025

FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications and has...

Key FluidSynth features:

Cross-platform compatibility Real-time MIDI synthesis SoundFont support Open-source software

Open Source

TiMidity++ is an open source MIDI to WAVE converter and player.

Enterprise Email Warmup. Sender Domain Reputation Repair Tool to get out of spam and see open rates more than double in 4 to 14 days. We engage with your emails to teach mailbox providers not to send your email to the spam or the promotions folder.

Key InboxAlly features:

Increase deliverability on any platform Create multiple sender profiles to accomodate all of your domains/IPs Works with any email sending service Use your own content in emails you send

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VirtualMIDISynth is a software MIDI synthesizer implemented as a Windows multimedia user driver...

Key VirtualMIDISynth features:

High Sound Quality Customization Multiple MIDI Ports User-Friendly Interface

ZynAddSubFX is an open source software synthesizer for Linux, Mac OS X and Microsoft Windows.

Key ZynAddSubFX features:

Versatile Sound Engine Open Source Cross-Platform Compatibility Extensive Modulation Options

LinuxSampler - free, open source pure software audio sampler with professional grade features.

Key LinuxSampler features:

Open Source Cross-Platform Compatibility High-Quality Sampling Advanced Features

Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.

Key Vital features:

High-Quality Sound User-Friendly Interface Modulation Options Free Version Available

The Piano Game. Contribute to oldrich-s/musicope development by creating an account on GitHub.

Key Musicope features:

Open Source Free to Use Cross-Platform Educational Tool

Pianoteq is a virtual piano that runs on your computer.

Key Pianoteq features:

Sound Quality Lightweight Software Customizability Variety of Instruments

Create, play and share your tabs.

Key Guitar Pro features:

Comprehensive Tools Realistic Sound Engine User-Friendly Interface Cross-Platform Compatibility

Musicca Piano is the tool that allows you to play the virtual Piano from your computer.

Key Musicca Piano features:

Accessibility User-Friendly Interface Cost-Effective No Installation Required

Convert & compress everything in 2 clicks!

Key File Converter features:

Diverse Format Support User-Friendly Interface Quick Conversion No Software Installation Required

Powerful, universal wavetable synth with an intuitive workflow.

Key SynthMaster One features:

User-Friendly Interface Wavetable Synthesis Extensive Preset Library Cross-Platform Compatibility

Everyone Piano is the best free computer keyboard piano software, which supports downloading 3 types of music score formats like stave, right and left hand numbered musical notation and EOP file.

Key EveryonePiano features:

Free Software Virtual Keyboard Multiple Plugins Customization Options