Comparison
Project documentation and license checked October 24, 2026. Mac runtime behavior has not been tested for this comparison.
RenderWave vs Radiance
Radiance is a genuinely free, open-source VJ app written in Rust with a WGSL shader library. RenderWave is a polished Mac-native Metal 3 instrument. Radiance lists Mac downloads; native Apple Silicon compatibility needs checking against the current release. Review its file-specific license terms before using bundled assets commercially.
RenderWave
- ✓Native Swift + Metal 3 on Apple Silicon
- ✓85 production-ready shaders, up to 26 params each
- ✓Per-band audio modulation (bass/mid/mid-high/high)
- ✓MIDI Learn, APC40 mkII + Launchpad LED feedback
- ✓Ableton Link, Syphon output, 8K MetalFX
- ✓Vendor-grade support and documentation
Starting from
Free
Studio from $9.99/mo · $299 perpetual
Radiance
- ✓Open source; MIT source with file-specific exceptions
- ✓Modern Rust + WGSL architecture
- ✓~150 WGSL effects, deck-based mixing
- ✓Built-in beat detection, audio-reactive
- ✓Mac downloads listed; check current package architecture
- ✓No watermark, no time limit, no nag screens
License
Free
MIT source; check bundled asset terms
Feature Comparison
RenderWave's curated Metal 3 instrument vs Radiance's open-source Rust engine. See full features and pricing.
| Feature | RenderWave | Radiance |
|---|---|---|
| Architecture | Swift + Metal 3 | Rust + WGSL |
| Shader Library | 85 curated | ~150 WGSL |
| Real-Time Parameters | up to 26 per shader | Varies |
| Audio Reactivity | Per-band targeting | Beat detection |
| MIDI Control | ✓ Full + LED feedback | Not yet in the Rust rewrite (per project README) |
| Ableton Link | ✓ Built-in | Beat detection only |
| Syphon Output | ✓ Yes (Studio) | Not documented |
| Max Output | 8K (MetalFX) | Unlimited |
| License | Proprietary + free tier | MIT source; asset exceptions |
| Platform | Mac only (Apple Silicon) | Cross-platform |
| Support / Docs | Vendor-grade | Project-grade |
When each is right
Choose RenderWave if
- You want a polished Mac-native instrument you can play live out of the box.
- MIDI hardware (APC40, Launchpad) and Ableton Link are part of your rig.
- You need 8K output, Syphon routing, or custom overlays.
- You want vendor support and per-parameter audio controls.
Choose Radiance if
- Free and open source is a hard requirement for your show or ethics.
- You value a modern Rust + WGSL architecture and want to read or modify the source.
- Your show is small-venue DJ visuals and you don't need pro routing.
- You're comfortable with community-grade docs and support.
Frequently Asked Questions
- Is Radiance VJ software free?
- Radiance is open source. Its LICENSE, checked October 24, 2026, uses MIT for source by default, separate terms for some source files, and noncommercial terms for some data/model assets. Check the files you plan to use before a commercial show. The source lives at github.com/zbanks/radiance. RenderWave has a free tier (full shader catalog, 720p, no watermark) plus paid Studio plans from $9.99/mo.
- Is Radiance a good RenderWave alternative?
- For open-source purists who want a modern, performant, no-strings VJ tool, yes. Radiance is written in Rust with a WGSL shader library, lists Mac downloads, and documents over 150 effects with beat detection and audio reactivity. RenderWave is the stronger choice if you want a polished Mac-native Metal 3 instrument with vendor-grade support, 85 production-ready shaders, MIDI/Ableton Link tooling, and 8K MetalFX output.
- Does Radiance run natively on Apple Silicon?
- The project lists Mac downloads, but that alone does not verify native Apple Silicon support or compatibility with your macOS release. Check the current release package and test it on your Mac. RenderWave is built end-to-end on Swift and Metal 3 for Apple Silicon: no abstraction layer, direct access to the unified memory GPU.
- Which has more shaders, RenderWave or Radiance?
- By count, Radiance ships around 150 WGSL effects. RenderWave ships 85 production-ready shaders, with parameter control and audio-band modulation. RenderWave's bet is quality and per-shader control depth over raw count: each shader exposes up to 26 real-time parameters.
- Can I use RenderWave and Radiance together?
- Yes. Check the current Radiance Mac package on your system before planning a combined setup. RenderWave can serve as a live instrument (MIDI control, Ableton Link, Syphon output) and keep Radiance available for experimental open-source shaders. They serve different philosophies: commercial polish vs community open source.
Try RenderWave free
Full shader catalog, 720p output, no watermark. See if the Mac-native Metal 3 instrument fits your show before paying.