Dev tools · alternatives · 2026
24 alternatives to Retrace.gl – a webgl2/glsl path tracer with a declarative scene API
Create, ray trace & export programatically defined Signed Distance Function CSG geometries with an API suited for generative art - in your browser! 🎉 - stasilo/retrace.gl
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Retrace.gl – a webgl2/glsl path tracer with a declarative scene API launched in 2019; newer entries below may have overtaken it.
- 1
This is a GPU "software" raytracer (i.e. using manual ray-scene intersections and not RTX) written using the WebGPU API that renders glTF scenes. It supports many materials, textures, material & normal mapping, and heavily relies on multiple importance sampling to speed up convergence.
2024 · github.com · its alternatives →
- 2
A path tracer written in Go. Contribute to fogleman/pt development by creating an account on GitHub.
2015 · github.com · its alternatives →
- 3
C++ Path Tracer from scratch with zero third-party libraries. - themartiano/luz
Jun 2026 · github.com · its alternatives →
- 4AR
2018 · tylermw.com · its alternatives →
- 5RT
2023 · antimatter15.com · its alternatives →
- 6
Hey HN! We're Ben and Izak, founders of Repaint (YC S23). Repaint is like Figma, but for creating real websites. It has panning, zooming, and dragging elements around. The settings closely follow html/css. We think an open canvas is a big improvement over other website builders. Everything is easier: styling, consistency, responsiveness… But making it work was hard! We thought HN would appreciate the tech behind it: - A custom WebGL rendering engine (w/text, shadows, blurs, gradients, & opacity groups) - A partial implementation of the css spec - A custom text editor & text shaper…
2024 · repaint.com · its alternatives →
- 7IM
I was fascinated by this [0] and this video [1]. After many struggles, I finally built this app that traces images using circles similar to what these videos had shown. The most challenging part (to me) is to find a way to convert images to vector lines. I had tried Potrace, but its output is not suitable for my use case: too many small elements share the same border. Potrace's goal is to represent the original image faithfully using vector lines. But I want to trace the image edges. After searching and trying some Potrace alternatives in vain, I finally found my keyword. Surprisingly (to…
2022 · phqb.github.io · its alternatives →
- 8
GPU Raytracer from scratch in C++/CUDA. Contribute to jan-van-bergen/GPU-Raytracer development by creating an account on GitHub.
2021 · github.com · its alternatives →
- 9
I’ve been experimenting with Rust lately and wanted a project that would help me explore some of its lower-level and performance-oriented features. Inspired by Sebastian Lague’s videos, I decided to implement my own ray tracer from scratch. The initial goal was just to render a simple 3D scene in the browser at a reasonable frame rate. It evolved into a small renderer that can: • Run locally or on the web using wgpu and WebAssembly • Perform mesh rendering with a Bounding Volume Hierarchy (BVH) for acceleration • Simulate both direct and indirect illumination for photorealistic results • Be…
Nov 2025 · github.com · its alternatives →
- 10
An interface for reloading GLSL shaders on the fly. - mattdesl/shader-reload
2017 · github.com · its alternatives →
- 11
Create evolving artistic images with hot-code-reloaded Lisp and GLSL.
2021 · blog.tonari.no · its alternatives →
- 12
🎃 Windowless WebGL for node.js. Contribute to stackgl/headless-gl development by creating an account on GitHub.
2016 · github.com · its alternatives →
- 13AS
2016 · erkaman.github.io · its alternatives →
- 14
Here's a project I've been working on for a little while now. Ripl is a JS library that provides a unified API for rendering shapes on both canvas and SVG interchangeably. Over the years I've used D3 extensively to create data visualisations so I figured I'd have a go at making my own version with a slightly more modern API and stricter TypeScript support. I am aware there are already libraries that can draw to multiple contexts interchangeably, but I've added a few little niceties to Ripl that (as far as I know) some other libraries don't have such as CSS-like query selectors, DOM-like…
2024 · github.com · its alternatives →
- 15
To my knowledge, this is the first formally verified implementation of a 3D constructive solid geometry (CSG) operation: mesh intersection, implemented in Lean 4 and verified against a concise specification that pins down the surface of the resulting mesh exactly and guarantees practical well-formedness conditions on the triangulation. This project is also an experiment in avoiding having to trust AI-generated code. A human reviewer only needs to read 93 lines of formal specification and run the Lean checker to certify the correctness of the kernel, skipping the intricate 1000+ lines of…
Jul 2026 · github.com · its alternatives →
- 16
Browse and share GPU-made GIFs. Explore GLSL shader experiments, search by topic, and open any piece in the editor to learn or remix.
2018 · shadergif.com · its alternatives →
- 17
micro-gl▲101Run vector graphics on any computer (without GPU or FPU)
2023 · github.com · its alternatives →
- 18
Mobile-first 3D mapping engine with emphasis on user experience - felixpalmer/procedural-gl-js
2020 · github.com · its alternatives →
- 19
We ported pbrt-v4 to Julia and built it into a Makie backend. Any Makie plot can now be rendered with physically-based path tracing. Julia compiles user-defined physics directly into GPU kernels, so anyone can extend the ray tracer with new materials and media - a black hole with gravitational lensing is ~200 lines of Julia. Runs on AMD, NVIDIA, and CPU via KernelAbstractions.jl, with Metal coming soon. Demo scenes: github.com/SimonDanisch/RayDemo
Feb 2026 · makie.org · its alternatives →
- 20ST
2015 · mattdesl.github.io · its alternatives →
- 21
Monte Carlo ray tracer developed using Rust. Contribute to Dalamar42/rayt development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 22
Command line tracing tool for Windows, based on ETW. - lowleveldesign/wtrace
2017 · github.com · its alternatives →
- 23
An alternative to stack traces for your Go errors. Contribute to bracesdev/errtrace development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 24GA
2016 · erkaman.github.io · its alternatives →
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- Repaint – a WebGL based website builder alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →