Dev tools · alternatives · 2026

24 alternatives to ReaPer
Analyze and improve your React application's performance.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ReaPer launched in 2023; newer entries below may have overtaken it.
- 1
React Scan▲385Scan your React app for problematic renders and performance
2024 · react-scan.com · its alternatives →
- 2RG
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Reaper is a Chrome (or Chromium) browser extension that terminates browser processes when they use too much CPU. Anything that the browser regards as a process is a potential target. This includes tabs, renderers, subframes, other extensions, and itself. It works on stable channel Chrome for Linux but requires dev channel on Windows, MacOS, or ChromeOS. See README for details.
2023 · github.com · its alternatives →
- 4
Tempo Labs▲770Quickly add payment, messaging, AI agents + more to your app
2024 · tempo.new · its alternatives →
- 5
React Proto▲313React application design and prototyping tool
2018 · react-proto.github.io · its alternatives →
- 6
Catalyst▲340A modern UI kit for React, by the creators of Tailwind CSS
2025 · tailwindcss.com · its alternatives →
- 7TD
2022 · thin.dev · its alternatives →
- 8

Offline-first, highly scalable foundation for your next app
2016 · github.com · its alternatives →
- 9
Atomize React▲378An open source design system for ReactJS
2019 · atomizecode.com · its alternatives →
- 10
Reshuffle▲173The place to share and find live open source code in seconds
2019 · reshuffle.com · its alternatives →
- 11
Reactful▲312Understand your visitors and optimize your site in real time
2016 · reactful.com · its alternatives →
- 12
Fumadocs▲203Beautiful docs. Optimized for React and Next.js.
2024 · fumadocs.dev · its alternatives →
- 13UT
Entire React code base explanation by visual block schemes (Stack version)
2017 · bogdan-lyashenko.github.io · its alternatives →
- 14

2017 · chrome.google.com · its alternatives →
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Hey HN. We’re Jay and Vadim from Highlight.io (https://highlight.io). We’re building an open source [1] monitoring platform for web applications. Today we’re excited to be sharing a performance tool we’ve been working on, which helps you inspect the latency of code execution from the client to the server. As engineers at past startups, we often had to debug slow queries, poor load times, inconsistent errors, etc... While tools like Jaegar [2] helped us inspect server-side performance, we had no way to tie user events to the traces we were inspecting. In other words, although we had…
2024 · github.com · its alternatives →
- 17

- 18RLReact-live▲31
2015 · dariocravero.github.com · its alternatives →
- 19

A free, 24-page zine about making web apps with React.js
2018 · blog.glitch.com · its alternatives →
- 20

A minimal skeleton for building testable React apps using Babel - pheuter/essential-react
2015 · github.com · its alternatives →
- 21
Rapid React▲103A light weight CLI tool for rapid scaffolding of React apps
2021 · npmjs.com · its alternatives →
- 22
SimplyDebug▲85Free 1:1 live chat help for react developers
2022 · simplydebug.com · its alternatives →
- 23

- 24
Tremor▲112The ReactJS open-source library to build dashboards fast
2023 · tremor.so · 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 →