Dev tools · alternatives · 2026

24 alternatives to Astrum

A lightweight pattern library for any web project

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Astrum launched in 2016; newer entries below may have overtaken it.

1
Blueprint▲203
A React UI toolkit for the web
2016 · blueprintjs.com · its alternatives →
2
Forestry▲187
A lightweight CMS for Jekyll and Hugo sites
2016 · tina.io · its alternatives →
3
Blitz.js▲270
Rails-like framework for React apps, built on Next.js
2020 · github.com · its alternatives →
4
Render▲169
React-inspired Swift library for writing UIKit UIs
2016 · github.com · its alternatives →
5
SaaSBold▲276
Full-stack SaaS boilerplate and starter kit
2024 · saasbold.com · its alternatives →
6
AniJS▲87
UI Interaction Library for Web Designers in Plain English
2014 · anijs.github.io · its alternatives →
7
Next.js 13▲323
Build powerful & dynamic web applications – without limits
2022 · nextjs.org · its alternatives →
8
Patternry▲65
A tool for building living UI libraries
2014 · pathmode.io · its alternatives →
9
Stitches▲135
The modern CSS-in-JS library with near-zero runtime.
2020 · stitches.dev · its alternatives →
10
1 KB JavaScript library for building front end apps▲242
1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp
2017 · github.com · its alternatives →
11FJ
Forgo.js – a 4kb React alternative based on plain JS and DOM APIs▲110
2021 · forgojs.org · its alternatives →
12
Precursor▲227
A real-time collaborative prototyping tool
2014 · prcrsr.com · its alternatives →
13
Astryx▲126
A customizable, agent-ready open-source design system
Jul 2026 · astryx.atmeta.com · its alternatives →
14
Picnic CSS▲131
A beautiful CSS library to kickstart your projects
2016 · picnicss.com · its alternatives →
15
Craft▲104
A CMS like no other.
2014 · its alternatives →
16
A Pattern Language▲68
Applying Patterns to Solve Design Problems
2015 · amazon.com · its alternatives →
17TH
Tree-hugger-JS: CSS selectors for JavaScript AST analysis and MCP▲7
I built a library that lets you find code patterns using familiar CSS-like selectors, then connected it to Claude via MCP so AI assistants can understand and refactor codebases. The Approach // Find code patterns with intuitive selectors: const asyncFunctions = tree.findAll('function[async]'); const todoComments = tree.findAll('comment[text="TODO"]'); const reactHooks = tree.hooks(); // Built-in React support // Chain smart transformations: tree.transform() .rename('oldFunction', 'newFunction') .removeUnusedImports() .toString(); Key Features - CSS-like…
2025 · its alternatives →
18
NW.js▲77
A new way of writing desktop apps with Web technologies
2015 · nwjs.io · its alternatives →
19
Happy Startup Canvas▲85
A simple framework for building stuff that matters
2016 · thehappystartupschool.com · its alternatives →
20
Inclusive Design Patterns▲79
Dozens of practical examples and workflows
2016 · smashingmagazine.com · its alternatives →
21
Gondola▲69
The web framework for Go programming language
2014 · its alternatives →
22
Forestry.io▲14
A lightweight CMS for Jekyll and Hugo sites
2016 · tina.io · its alternatives →
23
Render abstract syntax trees using React▲36
render abstract syntax trees with react. Contribute to clayrisser/react-ast development by creating an account on GitHub.
2019 · github.com · its alternatives →
24
Next.js▲19
A small framework for server-rendered universal JS webapps
2016 · vercel.com · its alternatives →

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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 →