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Open source Hydra alternatives: 4 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

4 of the 7 Hydra alternatives we track are open source. p5.js, Processing and three.js rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1p5.js logop5.jsOpen source—YesWeb4 of 464.8
2Processing logoProcessingOpen source—YesmacOS, Windows, Linux4 of 461.8
3three.js logothree.jsOpen source—YesWeb3 of 355.9
4Strudel logoStrudelOpen source—YesWeb4 of 450.0
  1. p5.js logo

    1. p5.jsTop pick

    Best for: Learners, teachers and artists who want to make interactive sketches that run in a browser.

    Open sourceWeb

    64.8

    score / 100

    Why switch from Hydra

    Free JavaScript creative-coding library with a much bigger community and more drawing primitives.

    Pros

    • Runs in the browser with a free online editor
    • Same simple model as Processing
    • Excellent beginner documentation and examples

    Cons

    • JavaScript performance limits heavy real-time visuals
    • Less direct hardware access than desktop tools
    Visit p5.js Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is p5.js a good Hydra alternative?

    Verified facts

    4 of 4 verified
    Open source
    Yes
    Checked Nov 8, 2026p5js.org(opens source in a new tab)
    License
    LGPL-2.1
    Checked Nov 2, 2026github.com(opens source in a new tab)
    Web editor
    Yes
    Checked Nov 8, 2026p5js.org(opens source in a new tab)
    Backed by
    Processing Foundation
    Checked Nov 8, 2026p5js.org(opens source in a new tab)
  2. Processing logo

    2. Processing

    Best for: Students, artists and teachers learning to code through visual and interactive sketches

    Open sourcemacOS, Windows, Linux

    61.8

    score / 100

    Why switch from Hydra

    Free code sketchbook that suits longer generative projects on the desktop.

    Pros

    • Free and open source on every desktop OS plus Raspberry Pi
    • Huge library of tutorials, books and examples
    • Libraries for video, sound, hardware and PDF export

    Cons

    • Requires writing code, unlike node-based tools
    • Built-in editor lacks the features of a full IDE
    • Java-based runtime is heavier than browser-based p5.js
    Visit Processing Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Processing a good Hydra alternative?

    Verified facts

    4 of 4 verified
    Platforms
    macOS, Windows, Linux
    Checked Nov 8, 2026processing.org(opens source in a new tab)
    Latest version
    4.5.7
    Checked Nov 8, 2026processing.org(opens source in a new tab)
    Founders
    Ben Fry and Casey Reas
    Checked Nov 8, 2026processing.org(opens source in a new tab)
    Backed by
    Processing Foundation
    Checked Nov 8, 2026processing.org(opens source in a new tab)
  3. three.js logo

    3. three.js

    Best for: Creative coders and web developers who need real 3D scenes, shaders and models in the browser.

    Open sourceWeb

    55.9

    score / 100

    Why switch from Hydra

    JavaScript 3D library for building browser visuals in code when Hydra's 2D video-synth model feels limited.

    Pros

    • WebGL and WebGPU renderers in one library
    • Huge set of official examples
    • Loads glTF and other 3D model formats
    • Free under the MIT licence

    Cons

    • Steeper learning curve than p5.js for beginners
    • API changes between releases break older tutorials
    • No built-in editor or sketchbook like Processing
    Visit three.js Details and reviews
    How this score is calculated
    Editorial fit ×0.357
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is three.js a good Hydra alternative?

    Verified facts

    3 of 3 verified
    License
    MIT
    Checked Nov 4, 2026github.com(opens source in a new tab)
    Renderers
    WebGL and WebGPU
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Add-on renderers
    SVG and CSS3D
    Checked Nov 8, 2026github.com(opens source in a new tab)
  4. Strudel logo

    4. Strudel

    Best for: Anyone who wants to try pattern-based live coding instantly in a browser, without installing anything

    Open sourceWeb

    50.0

    score / 100

    Why switch from Hydra

    Browser live-coding for music that runs Hydra visuals inside it, so sound and visuals live in one patch.

    Pros

    • Runs in the browser with no installation
    • Uses the well-documented TidalCycles pattern language
    • Hands-on workshop for complete beginners
    • Patterns are easy to share as links

    Cons

    • Browser audio limits latency and routing versus desktop tools
    • Pattern notation takes time to learn for non-programmers
    • No native desktop app
    Visit Strudel Details and reviews
    How this score is calculated
    Editorial fit ×0.338
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Strudel a good Hydra alternative?

    Verified facts

    4 of 4 verified
    Runs in
    Web browser, no install
    Checked Nov 8, 2026strudel.cc(opens source in a new tab)
    Based on
    TidalCycles pattern language
    Checked Nov 8, 2026strudel.cc(opens source in a new tab)
    Open source
    Yes
    Checked Nov 8, 2026strudel.cc(opens source in a new tab)
    Started
    2022
    Checked Nov 8, 2026strudel.cc(opens source in a new tab)