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https://github.com/Tremus/awesome-audio-plugin-framework

Curated list of small C/C++ libraries for building your own custom audio plugin framework.
https://github.com/Tremus/awesome-audio-plugin-framework

List: awesome-audio-plugin-framework

audio c cpp framework-agnostic plugin

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Curated list of small C/C++ libraries for building your own custom audio plugin framework.

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# Awesome Audio Plugin Framework

Curated list of small C/C++ libraries for building your own custom audio plugin framework.

Small libraries usually follow the [Unix philosophy](https://en.wikipedia.org/wiki/Unix_philosophy#Do_One_Thing_and_Do_It_Well), making them more maintainable, replaceable, and flexible in how they are used. Frameworks, by definition, break this philosophy.

See the [Examples](./examples) folder for code & build examples of these libraries.

In future we hope to provide [plugin templates](./templates) that are built using several small libraries.

The listed libraries and example code are generally biased towards:

- Permissive non-GPL licensing
- Support for Windows & MacOS. (Linux, iOS, Android and Emscripten are not actively supported!)
- Ease of compilation, fast builds, small binaries, fewer LOCs, single compilation units, C89 & C99

## C

| Function | Name | License | Description |
| --------------- | -------------------------------------------------------------------- | --------- | ----------------------------------------------------------------------------------------------- |
| Plugin wrapper | [CPLUG](https://github.com/Tremus/CPLUG) | Unlicense | Wrapper for VST3, AUv2 & CLAP. Includes standalone builds with hot reloading |
| Window | [Pugl](https://github.com/lv2/pugl) | ISC | Native window with mouse & keyboard callbacks. Made with plugins in mind |
| Window | [sokol](https://github.com/floooh/sokol) | zlib | Native window with mouse & keyboard callbacks. Made with games in mind. See: `sokol_app.h`. |
| VST3 | [vst3_c_api](https://github.com/steinbergmedia/vst3_c_api) | Dual | VST3 wrapper |
| CLAP | [clap](https://github.com/free-audio/clap) | MIT | CLAP wrapper |
| Threads | [threads.h](https://github.com/mattiasgustavsson/libs) | Unlicense | C11 like threads & atomics, mutexes, singals, single reader/writer queues, cross platform |
| Threads | [tinycthread](https://github.com/tinycthread/tinycthread) | BSD like | C11 threads.h like API, cross platform |
| Atomics | [c89atomic](https://github.com/mackron/c89atomic) | Unlicense | C11 like atomic.h like API, supports flags, float, double and ptr, cross platform |
| WAV | [dr_libs](https://github.com/mackron/dr_libs) | Unlicense | WAV read & write. See `dr_wav.h` |
| AIFF | [dr_libs](https://github.com/mackron/dr_libs) | Unlicense | AIFF read & write. See `dr_wav.h` |
| MP3 | [dr_libs](https://github.com/mackron/dr_libs) | Unlicense | MP3 read. See `dr_mp3.h` |
| FLAC | [dr_libs](https://github.com/mackron/dr_libs) | Unlicense | FLAC read. See `dr_flac.h` |
| FLAC | [FLAC](https://github.com/xiph/flac) | BSD-3 | FLAC encode / decode / read / write |
| Opus | [Opus](https://github.com/xiph/opus) | BSD-3 | Opus encode / decode / read / write |
| Log | [sokol](https://github.com/floooh/sokol) | zlib | Log to console or file. See `sokol_log.h` |
| Log | [stb](https://github.com/nothings/stb) | MIT | Fast log to console. See `stb_sprintf.h` |
| FFT | [pffft](https://bitbucket.org/jpommier/pffft/src/master/) | BSD like | 1D real & complex FFTs. Competitively fast. SSE & NEON optimised |
| Audio thread | [sokol](https://github.com/floooh/sokol) | zlib | Spins up an audio thread with buffer to write to. See `sokol_audio.h` |
| Audio IO | [libsoundio](https://github.com/andrewrk/libsoundio) | MIT | Wrapper for CoreAudio, WASAPI + more |
| Vector graphics | [NanoVG](https://github.com/memononen/nanovg) | zlib | Antialised 2D polygons, lines, text, gradients and images using OpenGL |
| Vector graphics | [nanovg_compat](https://github.com/Tremus/nanovg_compat) | zlib | NanoVG wrapper with Metal & DirectX 11 backends and extra functions for initialising a context. |
| Time | [sokol](https://github.com/floooh/sokol) | zlib | Get & parse high resolution time. See `sokol_time.h` |
| Image codecs | [stb](https://github.com/nothings/stb) | MIT | Load/decode many image formats. See `stb_image.h`, `stb_image_resize.h`, `stb_image_write.h` |
| Data containers | [stb](https://github.com/nothings/stb) | MIT | Variable type dynamic arrays and hash maps. See `stb_ds.h` |
| Strings | [sds](https://github.com/antirez/sds) | BSD-2 | Dyanamic size strings with manipulation and formatting methods. |
| UTF8 | [utf8](https://github.com/sheredom/utf8.h) | Unlicense | stdlib string.h, locale.h, ctype.h replacement functions for `\0` terminated UTF8 strings |
| UTF8 | [cute_headers](https://github.com/RandyGaul/cute_headers_deprecated) | Unlicense | UTF8 & UTF16 conversion functions. See `cute_utf8.h` |
| Crypto | [TweetNaCl](https://tweetnacl.cr.yp.to/software.html) | PD | HMAC hashing, Public/Secret key encryption and signatures |
| Binary embed | [bin2c](https://github.com/adobe/bin2c) | Apache 2 | CLI. Turns single file (eg. font, image) into `.c` containg `const char[]`. |
| File dialog box | [osdialog](https://github.com/AndrewBelt/osdialog) | CC0 | Native select file/folder dialogue boxes, alerts, colour picker & more |
| File dialog box | [tinyfiledialogs](https://sourceforge.net/projects/tinyfiledialogs/) | zlib | Native select file/folder dialogue boxes, alerts, colour picker & more |
| File searching | [cute_headers](https://github.com/RandyGaul/cute_headers_deprecated) | Unlicense | Recursive file & directory search. See `cute_files.h` |
| File stream | [sokol](https://github.com/floooh/sokol) | zlib | Read & write stream for local files. See `sokol_fetch.h` |
| File I/O | [xhl](https://github.com/Tremus/xhl) | Unlicense | File read/write/append, get user Desktop/Documents etc, UTF8 paths. See `files.h` |
| TLS | [cute_headers](https://github.com/RandyGaul/cute_headers) | Unlicense | HTTPS request. Lacks any parsing of responses. See `cute_tls.h` |
| HTTPS | [curl](https://github.com/curl/curl) | BSD like | Makes HTTPS requests |
| HTTP parsing | [picohttpparser](https://github.com/h2o/picohttpparser) | MIT | Parses HTTP1 requests & responses |
| JSON | [yyJSON](https://github.com/ibireme/yyjson) | MIT | 2nd fastest JSON encode/decode. Parses all data upfront to create a searchable linked list. |
| JSON | [zzzJSON](https://github.com/dacez/zzzjson) | BSD like | Fast JSON encode/decode. Uses on the fly parsing and string searching and string views. |
| Base64 | [base64](https://github.com/aklomp/base64) | BSD-2 | Base64 string encode & decode |
| Regex | [tiny-regex-c](https://github.com/kokke/tiny-regex-c) | Unlicense | Regex pattern matching |
| Regex | [PCRE2](https://github.com/PCRE2Project/pcre2) | Dual | Regex pattern matching |
| Regex | [TRE](https://github.com/laurikari/tre) | BSD like | Regex pattern matching but with a greater name |

## C++

| Function | Name | License | Description |
| ------------------ | ---------------------------------------------------------------------------- | -------- | ----------------------------------------------------- |
| Window | [CrossWindow](https://github.com/alaingalvan/CrossWindow) | zlib | Native window with mouse & keyboard callbacks. |
| VST3 | [vst3_public_sdk](https://github.com/steinbergmedia/vst3_public_sdk) | Dual | VST3 wrapper |
| AU | [vst3_public_sdk](https://github.com/steinbergmedia/vst3_public_sdk) | Dual | AU wrapper via a VST3 wrapper wrapper |
| AUv3 | [vst3_public_sdk](https://github.com/steinbergmedia/vst3_public_sdk) | Dual | AUv3 wrapper via a VST3 wrapper wrapper |
| AAX | [vst3_public_sdk](https://github.com/steinbergmedia/vst3_public_sdk) | Dual | AAX wrapper via a VST3 wrapper wrapper |
| VST3 | [clap-wrapper](https://github.com/free-audio/clap-wrapper) | Multi | VST3 wrapper via a CLAP wrapper |
| File read/write | [cppfs](https://github.com/cginternals/cppfs) | MIT | Manage local, virtual and remote files |
| Audio codecs | [CHOC](https://github.com/Tracktion/choc) | ISC | Decode/encode WAV, FLAC, Ogg-Vorbis, decode only MP3. |
| MIDI parsing | [CHOC](https://github.com/Tracktion/choc) | ISC | Parse MIDI messages, MIDI sequences and MIDI files. |
| MIDI/Audio sync | [CHOC](https://github.com/Tracktion/choc) | ISC | Splits an audio block to match times of MIDI events |
| Log | [fast_io](https://github.com/cppfastio/fast_io) | MIT | \ replacement with threadsafe options |
| FFT | [KFR](https://github.com/kfrlib/kfr) | Dual | Really fast FFTs. |
| Lock free queue | [readerwriterqueue](https://github.com/cameron314/readerwriterqueue) | BSD | Does queue. No lock |
| Timer thread | [CHOC](https://github.com/Tracktion/choc) | ISC | Timed callbacks |
| Machine ID | [machineid](https://github.com/Tarik02/machineid) | Apache 2 | Generates a unique string based on users hardware |
| Base64 | [CHOC](https://github.com/Tracktion/choc) | ISC | Base64 string encode/decode |
| JSON | [simdjson](https://github.com/simdjson/simdjson) | Apache 2 | Fastest JSON encode/decode |
| Regex | [hyperscan](https://github.com/intel/hyperscan) | BSD3 | Regex pattern matching |
| File/folder window | [Portable File Dialogs](https://github.com/samhocevar/portable-file-dialogs) | WTFPL | Native select file/folder dialogue boxes |

## TODO

Things to add to the list:

- Graphics engine agnostic customisable widgets
- Something else? (suggest more!)