Software Alternatives, Accelerators & Startups

p5.js VS Preact.js

Compare p5.js VS Preact.js and see what are their differences

p5.js logo p5.js

JS library for creating graphic and interactive experiences

Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
  • p5.js Landing page
    Landing page //
    2023-07-22
  • Preact.js Landing page
    Landing page //
    2023-05-11

p5.js features and specs

  • Ease of Use
    p5.js simplifies the process of learning and creating interactive graphics with its intuitive syntax, making it accessible for beginners.
  • Web-Based
    As a JavaScript library, p5.js runs directly in the web browser, enabling easy sharing and embedding of interactive sketches online without the need for additional plugins.
  • Creative Coding Community
    p5.js is supported by a vibrant community that shares a plethora of examples, tutorials, and resources, facilitating learning and troubleshooting.
  • Extensibility
    Its modular architecture allows for easy integration with other libraries like p5.sound, p5.dom, and even external JavaScript libraries, enhancing its functionality.
  • Accessibility
    p5.js emphasizes inclusivity, offering features that make it easier to create accessible web content, such as screen reader support.

Possible disadvantages of p5.js

  • Performance
    p5.js may not be as performant as other lower-level graphics libraries or frameworks, which can be a limitation for highly intensive graphical applications.
  • Learning Curve for Advanced Features
    While beginner-friendly, mastering complex features and fine-tuning performance in p5.js can require significant effort and understanding of JavaScript.
  • Not Ideal for Large Projects
    Due to its simplicity and focus on learning and prototyping, p5.js might not be suitable for large-scale, production-grade applications.
  • Limited 3D Support
    Although p5.js offers 3D rendering capabilities, these are less developed and performant compared to dedicated 3D libraries like Three.js.
  • Dependency on JavaScript
    Since p5.js is built on JavaScript, it inherits the language's limitations and quirks, which might be a hindrance for developers accustomed to other programming languages.

Preact.js features and specs

  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages of Preact.js

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.

p5.js videos

Processing or p5.js? My opinions

More videos:

  • Review - Q&A #1: Side-Scroller in p5.js
  • Tutorial - 17.11: Sound Visualization: Frequency Analysis with FFT - p5.js Sound Tutorial

Preact.js videos

JS frameworks are replaceable

Category Popularity

0-100% (relative to p5.js and Preact.js)
Javascript UI Libraries
57 57%
43% 43
Charting Libraries
100 100%
0% 0
JavaScript Framework
0 0%
100% 100
3D
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare p5.js and Preact.js

p5.js Reviews

20+ JavaScript libraries to draw your own diagrams (2022 edition)
A JS client-side library for creating graphics and interactive experiences, based on the core principles of Processing to make coding accessible to artists, designers and educators. Beyond drawing, this project provides offers web audio functionality, collision detection and even generation of graphical user interfaces from p5.js sketches.
8 Best Free and Open-Source Drawing Libraries in JavaScript
The p5.js library is a great option for people who are looking for a library that doesn't have a steep learning curve, but which can create very complicated systems if necessary. The get started with P5.js page on the official website has a functional example that draws circles wherever you move your mouse in only a few lines of code.

Preact.js Reviews

Top JavaScript Frameworks in 2025
PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Preact is like React’s little sibling, smaller in size but with the same familiar moves. It’s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in perfectly.
20 Best JavaScript Frameworks For 2023
Preact is built with the same core principle of React – A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance, and leaner size. In instances where the full potential of React isn’t necessary, most developers even use React during development and switch to Preact for...
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

Social recommendations and mentions

Based on our record, p5.js should be more popular than Preact.js. It has been mentiond 146 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

p5.js mentions (146)

  • Ask HN: Who Are Your Favorite Photography and Generative Coding Artists?
    p5.js is a JavaScript library that I've enjoyed messing with. It's related to Processing. https://p5js.org/. - Source: Hacker News / 3 months ago
  • Art Blocks and the Future of Open Source with Blockchain
    Art Blocks, founded by Erick Calderon in 2020, is a platform that enables artists to create generative art using blockchain technology. It operates on the Ethereum blockchain, leveraging smart contracts to mint unique art pieces as NFTs. The process begins with artists submitting scripts that define the artwork's parameters. Once approved, these scripts generate unique pieces upon purchase, offering collectors a... - Source: dev.to / 3 months ago
  • Rant: state of generative AI in code generation.
    In my experience with AI code generation, in visual projects like UI development or JavaScript based animation (using three.js or p5.js) etc. AI tools work pretty well. - Source: dev.to / 4 months ago
  • Procedural Generation and Noise
    For this most recent assignment we were tasked with contributing a larger feature to an open source project. During my time with the previous assignment I worked on a game engine called Litecanvas, inspired engine by libraries like raylib and p5.js/Processing. - Source: dev.to / 6 months ago
  • Antirez/load81: SDL based Lua programming environment for kids similar to Codea
    Let’s not forget P5js which has a long and esteemed history of helping to teach kids and more to program. It’s browser based so it’s compatible with every OS and requires no install. FOSS with an active community of users and contributors. I personally taught some middle schoolers with zero programming experience how to make interactive monsters in 1 hour. It was awesome! https://p5js.org/. - Source: Hacker News / 7 months ago
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Preact.js mentions (93)

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What are some alternatives?

When comparing p5.js and Preact.js, you can also consider the following products

Pixi.js - Fast lightweight 2D library that works across all devices

Svelte - Cybernetically enhanced web apps

Processing - C++ and Java programming at the speed of thought.

Vue.js - Reactive Components for Modern Web Interfaces

Three.js - A JavaScript 3D library which makes WebGL simpler.

Inferno - An extremely fast React-like javascript library for building modern user interfaces.