Dev tools · alternatives · 2026

24 alternatives to Sapper.js – towards a better web app framework

Taking the next-plus-one step

Sapper.js is a web application framework designed for developers building modern web apps. Built on Svelte, it provides tooling and structure for creating fast, efficient applications with a focus on performance and… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sapper.js – towards a better web app framework launched in 2018; newer entries below may have overtaken it.

1. 1
   staarter.dev▲264

   Launch your next SaaS faster with staarter.dev

   2024 · staarter.dev · its alternatives →

2. 2
   Next.js 13▲323

   Build powerful & dynamic web applications – without limits

   2022 · nextjs.org · its alternatives →

3. 3
   Next.js 16▲417

   Performance results of AI coding agents on Next.js

   Oct 2025 · nextjs.org · its alternatives →

4. 4
   Faster.js – a micro-optimizing JavaScript compiler▲89

   faster.js is a Babel plugin that compiles idiomatic Javascript to faster, micro-optimized Javascript. - vzhou842/faster.js

   2018 · github.com · its alternatives →

5. 5
   Lowdefy – Build internal tools with YAML on an open-source framework▲107

   We're excited to announce Lowdefy V4, a full-stack web framework built on top of Next.js that simplifies building web applications, internal tools, admin panels, BI dashboards, and CRUD apps using YAML or JSON configuration files. New in V4: Next.js: Lowdefy now runs on top of the Next.js framework. All of Auth.js: App auth is now handled by Auth.js supported providers, adapters and callbacks and events, easy to configure, but all of which can be customized. Plugin extensibility: Apps can now be extended with any npm or pnpm workspace plugins. Our story: We have developed a simple…

   2021 · lowdefy.com · its alternatives →

6. 6
   Blitz.js▲270

   Rails-like framework for React apps, built on Next.js

   2020 · github.com · its alternatives →

7. 7
   Fast.js – faster reimplementations of native JavaScript functions▲323

   Faster user-land reimplementations for several common builtin native JavaScript functions. - codemix/fast.js

   2014 · github.com · its alternatives →

8. 8
   Svelte▲120

   Cybernetically enhanced web apps

   2019 · svelte.dev · its alternatives →

9. 9MN
   My new JavaScript MVC framework▲304

   2014 · lhorie.github.io · its alternatives →

10. 10
    Server.js – A modern Express alternative▲295

    Powerful server for Node.js that just works so you can focus on your awesome project

    2017 · serverjs.io · its alternatives →

11. 11AI
    An Isomorphic JavaScript Framework Faster Than React▲337

    2015 · jsblocks.com · its alternatives →

12. 12
    TheDevStarter▲133

    Next.js and Django SaaS Boilerplate

    2024 · thedevstarter.com · its alternatives →

13. 13
    HyperApp – 1k JavaScript framework for building web applications▲303

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2018 · github.com · its alternatives →

14. 14
    SvelteAppFast▲32

    Build modern web applications fast: The Svelte 5 boilerplate

    2025 · svelteappfast.com · its alternatives →

15. 15
    RedwoodJS▲203

    Hey everyone, I'm the original co-creator of RedwoodJS. (The framework that myself and Tom Preston-Werner, Rob Cameron and David Price built during Covid.) I had tried to build a developer tool startup (Snaplet), and failed. I rejoined the efforts to add RSC to Redwood, but I realized that we needed a much simpler framework that was closely tied to a platform (We chose Cloudflare). We started building RedwoodSDK a year ago and this is the result. An insanely simple stack. I am incredibly proud of this work, please star our repo and let me know if there's anything that doesn't resonate with…

    2022 · rwsdk.com · its alternatives →

16. 16
    Strafer▲84

    Next JS boilerplate to help you launch fast

    2024 · its alternatives →

17. 17
    1 KB JavaScript framework for building front-end applications▲216

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2017 · github.com · its alternatives →

18. 18
    hasty.dev▲146

    A JS Perfomance Tool

    2021 · hasty.dev · its alternatives →

19. 19
    Brutal.js – a small framework for building brutalist web applications▲62

    2018 · github.com · its alternatives →

20. 20
    Next.js▲19

    A small framework for server-rendered universal JS webapps

    2016 · vercel.com · its alternatives →

21. 21HJ
    hr.js - Build large client-side applications in a structured way▲69

    2013 · friendcode.github.io · its alternatives →

22. 22SI
    Sapling is a business-ready TypeScript, Express.js, React boilerplate▲7

    Development of real applications can and should be simpler. Existing solutions focus on the problems that are the most fun to work and that give the appearance of creating a working app quickly but don't deal with the real issues that arise when building a business quality application. Worse, many of these problems have known solutions which are never applied. Sapling propels you, the developer, forward by generously applying known solutions and innovative ideas, allowing you to tackle problems that should be simple with unprecedented facility and tackle hard problems rapidly and without…

    2024 · sapling.bumpkin.solutions · its alternatives →

23. 23
    Baseline JS▲139

    Open-source, serverless, fullstack framework that delivers

    2024 · baseline.technology · its alternatives →

24. 24
    supastarter▲83

    The boilerplate for your next web app with supabase

    2022 · supastarter.dev · 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 →