Life & fun · alternatives · 2026

24 alternatives to hg_sdf

A glsl library for building signed distance functions

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. hg_sdf launched in 2015; newer entries below may have overtaken it.

1. 1
   3D Meshes of Signed Distance Functions in Python▲157

   Simple SDF mesh generation in Python. Contribute to fogleman/sdf development by creating an account on GitHub.

   2021 · github.com · its alternatives →

2. 2
   A hash array-mapped trie implementation in C▲171

   Long-simmering side project that is finally ready to see the light. HAMTs are a cool persistent data structure and implementing one has been a lot of fun. Beyond the code, there is likely some value in the extensive and largely complete implementation docs; basic benchmarks are linked in the README, too. Kind of aiming to be "the libavl for HAMTs". That is obviously a high and aspirational bar but a distinct possibility if it stirs up a little interest and/or contribution. Anyways, it's time for this to go out, collect feedback and maybe even some use outside of toy projects. Let me…

   2023 · github.com · its alternatives →

3. 3
   Find▲70

   High-precision indoor positioning framework for wifi-enabled

   2016 · github.com · its alternatives →

4. 4
   Grokking Algorithms▲77

   An illustrated guide for programmers

   2016 · amazon.com · its alternatives →

5. 5
   Practical SVG▲65

   Harness power & possibilities of performance-efficient SVG.

   2016 · abookapart.com · its alternatives →

6. 6
   Purely Functional Data Structures▲61

   A guide to functional programming

   2016 · amazon.com · its alternatives →

7. 7RS
   RTL-SDR signal collection and analysis toolkit▲9

   2016 · gammarf.io · its alternatives →

8. 8
   RGB – #15: Snap, Kernel and Port▲55

   Ports, unencrypted kernels and a chilly new mobile plan

   2016 · its alternatives →

9. 9GC
   GLSL Compiler - UglifyJS for WebGL▲6

   2012 · glslunit.appspot.com · its alternatives →

10. 10
    Common Lisp tutorials with OpenGL graphics▲7

    2023 · youtube.com · its alternatives →

11. 11OS
    Open-source SIMD-accelerated math library for C/C++/C#/Java/FORTRAN▲9

    2013 · yeppp.info · its alternatives →

12. 12KJ
    Kefir.js – a fast FRP lib with transducers support▲6

    2014 · pozadi.github.io · its alternatives →

13. 13SA
    SOSML – An online interpreter for SML▲6

    2019 · sosml.discourse.ps.uni-saarland.de · its alternatives →

14. 14PA
    Philip2 – an Elm-to-OCaml compiler▲8

    2019 · medium.com · its alternatives →

15. 15AA
    Awl, a toy Lisp language written in C and transpiled to JavaScript▲8

    2014 · skepsi.me · its alternatives →

16. 16NT
    NumPy to C++14: the xtensor cheat sheet▲6

    2017 · xtensor.readthedocs.io · its alternatives →

17. 17
    Lightweight 2D/3D engine in D with Raylib▲8

    2022 · github.com · its alternatives →

18. 18AO
    An open source WebGL renderer in 300 lines of JavaScript with 30 maps▲5

    2018 · comanche3d.com · its alternatives →

19. 19AV
    A visual HN reader build with Aangular▲5

    2016 · hnews.xyz · its alternatives →

20. 20
    Yet another C SPDY implementation▲5

    2012 · github.com · its alternatives →

21. 21AP
    A parallel raytracer written in TypeScript and running on WebGL▲5

    2016 · raytracer.crypt.sg · its alternatives →

22. 22
    Dissect – An open source DFIR framework▲8

    2022 · docs.dissect.tools · its alternatives →

23. 23MF
    Minim – Fast, Flat and File-Based BMS▲8

    2017 · minim.one · its alternatives →

24. 24OP
    Open Proofs: An Open Source Badge Standard Using ERC 721 (NFTs)▲5

    2018 · medium.com · its 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 →