Is there a good way to develop plugins and other DSP using only 100% free and open source tools/libraries?

DSP, Plug-in and Host development discussion.
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899 posts since 31 Dec, 2008

Post Sun Jun 13, 2021 9:36 am

mystran wrote:
Sun Jun 13, 2021 8:51 am
I think what might be going on here is that the license text predates the whole concept of "viral" licenses. Apparently the MIT license originated somewhere around 1987 or so, where as GPL as the original "copyleft" license dates to 1989.
Yeah, I see what you mean. That might well be the case.

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21 posts since 3 Jan, 2021

Post Fri Jul 09, 2021 4:53 pm

tristanbay wrote:
Sat Jun 12, 2021 6:00 pm
As mentioned before DPF is a nice project which has very good linux support if that is important to you.
Would I be able to do this with DPF?
So, I have been working on a fork of hvcc: an abandoned python project that uses a minimized set of pure data vanilla objects to prototype dsp graphs and then compile it to c/c++ which can then be integrated into other projects (unity, webassembly, etc.). It had a vst2 plugin implementation using the, now illegal, steinberg sdk. This is being cleaned up and replaced with DPF, currently only linux as I don't have mac or win systems, where we can build lv2 and vst2 (non steinberg) plugins plus jack client.

Btw there are plans to add independent vst3 to DPF as well, which means no more dual license for this format:

Currently I'm still learning/organizing hvcc work. There are a lot of embedded targets that use it, that we need to coordinate back into a maintained code-base. For eurorack there are several vendors that can use hvcc (and also faust!) to target their devices (rebeltech | befaco | electro-smith).

In the plugin space I'm trying to come up with a series of example plugins, midi/audio effect/generators etc and am mainly focusing on usage in MOD (

One GUI idea I'm exploring is to use the Pd [canvas] objects to draw a basic plugin UI. Some undetermined intermediary format (like heavy) that can output to different GUI frameworks is the idea (so we can make modgui + desktop gui in one step). This work needs to branch the hvcc compiler into a whole new territory, as it right now ignores all [canvas] objects.

So, for anyone interested in free software to turn pure data patches into plugins using DPF:

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21 posts since 3 Jan, 2021

Post Sat Jul 10, 2021 12:55 am

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843 posts since 2 Sep, 2019

Post Sun Jul 18, 2021 10:57 am

There’s also the ASPiK plugin framework


Topic Starter

16 posts since 6 Jun, 2021 from Oregon, USA

Post Tue Jul 20, 2021 10:13 am

jamcat wrote:
Sun Jul 18, 2021 10:57 am
There’s also the ASPiK plugin framework
Doesn't look like it's available for Linux so it doesn't look like a great option for me

1 posts since 3 Jul, 2021

Post Thu Jul 29, 2021 1:44 pm

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I recently found out aboud dplug and cabbage, but i fell in love with dplug. There is not any tutorial on youtube yet, but the process of installing it, and generating a plugin just works. (
They suggest that you use visual studio to create and debug plugins, however i have set up sublime text, with a d language server, custom builds commands, and i use dbgview64 to receive debug messages, and vst3plugintesthost to host the debug vst3. It saves me around 1 to 2 gb in ram that visual studio would eat.

The goods:
Highly customizable ui toolkit
Uses D instead of C++
Doesn't require a c++ compatible ide
it's fully open source, there is no catch (except the licensing options for vst3,etc)
works in apple, windows, and linux

The bads:
Not very well known
Uses D instead of C++
and some more specific cons ... ssumptions (

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