Dev tools · alternatives · 2026

24 alternatives to Website Linter by Webapp.io

Catch webapp errors before customers do

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Website Linter by Webapp.io launched in 2022; newer entries below may have overtaken it.

1. 1
   Httpster▲621

   A curated showcase of shit-hot web designs.

   2016 · its alternatives →

2. 2
   A New Python Linter▲69

   A linter to prevent exception handling antipatterns in Python (limited only for those who like dinosaurs). - guilatrova/tryceratops

   2021 · github.com · its alternatives →

3. 3
   Website Downloader▲539

   Download source code from any website

   2016 · websitedownloader.io · its alternatives →

4. 4
   Siter.io▲491

   Freehand design tool, no-code website builder

   2022 · siter.io · its alternatives →

5. 5
   Lint for HTTP▲138

   Validator for HTTP. Contribute to vfaronov/httpolice development by creating an account on GitHub.

   2016 · github.com · its alternatives →

6. 6
   Online Web Scraper▲260

   Cloud hosted data extraction tool

   2016 · datascraping.co · its alternatives →

7. 7
   Meticulous▲137

   Catch JavaScript bugs on web applications with zero-effort

   2021 · meticulous.ai · its alternatives →

8. 8
   SEO-Checker.io▲240

   The complete, free SEO audit tool

   2022 · seo-checker.io · its alternatives →

9. 9
   Compare Analysis Tools For Python, Ruby, C, PHP, Go▲175

   Find static code analysis tools and linters for Java, JavaScript, PHP, Python, Ruby, C/C++, C#, Go, Swift, and more. All tools and linters are peer-reviewed by fellow developers to select the best tools available. Avoid bugs in production, outages on weekends, and angry customers.

   2020 · analysis-tools.dev · its alternatives →

10. 10
    A directory of single-page sites and useful apps▲164

    Explore a curated collection of the best free time-saving online tools, widgets & web utilities for developers, designers, and creators.

    2012 · thetoolbox.cc · its alternatives →

11. 11
    404er▲141

    Make a stunning 404 page

    2024 · its alternatives →

12. 12
    markuplint▲62

    Linter that gives peace of mind in your markup

    2021 · markuplint.dev · its alternatives →

13. 13
    Tiny helpers▲10

    A collection of free single-purpose online tools for web dev

    2020 · tiny-helpers.dev · its alternatives →

14. 14
    DevTools▲18

    Collection of free online tools to help in web development

    2025 · onlinewebdevtools.com · its alternatives →

15. 15
    Hasher - Developer's toolbox for Chrome▲33

    2012 · chrome.google.com · its alternatives →

16. 16
    Free:Tools▲11

    Free Tools for programmers, web developers & web designers

    2021 · freetools.dev · its alternatives →

17. 17
    Website Analyzer▲9

    Help your future customers outperfom their competition

    2025 · website-analyzer.app · its alternatives →

18. 18
    The Web Checker▲8

    Analyze your website for SEO and Security.

    2016 · geekflare.com · its alternatives →

19. 19
    Self-hosted tool for catching spelling mistakes on websites▲7

    A tool for catching spelling errors, grammatical errors, broken links, and other errors on websites. - madelaine-maz/siteinspector

    2021 · github.com · its alternatives →

20. 20
    Stack Online Tools▲9

    Fast, free all-in-one utilities for text, code, SEO and more

    Nov 2025 · stackonlinetools.com · its alternatives →

21. 21MF
    My first webapp is online - a link checker and analysis....▲10

    Hi! Long time reader, first time submitter. I've finallllyy got my first webapp online. It's been a long time coming, I started it over a year ago and just been an hour here, a couple of hours here, and a period of a couple of months of nothing. I first wrote it as a way to learn some python it sort of grew to fill a need I had. It's at a point now where I'd LOVE some feedback as I am going round in circules. Please, it's free, just hit the home page, plugin in a name/email and url you want to links checked on. If you use the name 'DeleteMe' I will remove the account after a week, so feel…

    2012 · sitecrawl.net · its alternatives →

22. 22
    Website SEO Checker Analyzer▲5

    Easy SEO Tools

    2023 · apps.apple.com · its alternatives →

23. 23
    ViteTools.dev▲10

    Free online developer tools & utilities

    Nov 2025 · its alternatives →

24. 24
    Linx▲5

    Low code development tool for IT pro's

    2017 · linx.software · 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 →