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Open-source subtractive-hybrid synthesizer formerly sold commercially as Vember Audio Surge.

Doppel.com
MPS-Agentic by StrategicPromptArchitect
Pixeebot
Free, self-hosted AI security gateway. PII redaction, prompt injection defense, full audit logging. Built for Australian regulated industries. Deploy in minutes with Docker.

Which is more popular?
Based on our record, Surge XT seems to be more popular. It has been mentioned 179 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | surge-synthesizer.github.io | agentproxy.au |
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| Company | Startup from the United States | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Surge XT is an open-source hybrid synthesizer and the synth which started the Surge Synth Team project!
No description of AgentProxy.au yet.
What each product offers, as listed by its team.


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Free VST - Surge Synthesizer plugin
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Surge XT and AgentProxy.au. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


- Surge XT - open-source synthesizer with literally 10k presets built in: https://surge-synthesizer.github.io/. - Source: Hacker News / 11 months ago
Good stuff! I started getting in to this at the start of the year. Already had an old, dusty MicroKORG and MIDI interface to use it as a controller, but recently splashed out on a bigger controller as the Korg's tiny keys were hurting... - Source: Hacker News / almost 3 years ago
Https://surge-synthesizer.github.io/ and https://asb2m10.github.io/dexed/ should work like a charm. Source: about 3 years ago
Tracking AgentProxy.au since Feb 2026.
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ZynAddSubFX is an open source software synthesizer for Linux, Mac OS X and Microsoft Windows.
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