Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Open Source SEO Tool launched in 2017; newer entries below may have overtaken it.

1. 1SE
   Search Explorer – A new kind of WMT-based SEO tool, needs alpha testers▲9

   2015 · searchexplorer.com · its alternatives →

2. 2
   Simple SEO Tool▲111

   Chrome Extension that simplifies SEO on-page analysis

   2024 · seoextension.info · its alternatives →

3. 3
   jev-seo▲116

   Free Rust CLI SEO/GEO auditor, no subscription needed

   29d ago · github.com · its alternatives →

4. 4
   Eager 2.0▲109

   An open platform for website plugins

   2015 · its alternatives →

5. 5
   BEST SEO TOOL▲1

   Free start

   2020 · semrush.com · its alternatives →

6. 6
   Open SEO▲7

   Open Source SEO Analysis

   2017 · its alternatives →

7. 7ND
   NLP Driven Insights for SEO▲6

   2020 · contento.marketing · its alternatives →

8. 8
   Free SEO Tool▲13

   100% Free SEO web analysis tool

   2024 · askgalore.com · its alternatives →

9. 9GN
   Givero – New charitable search engine with open source features▲6

   2019 · givero.com · its alternatives →

10. 10
    Ubersuggest 3.0▲8

    The Ultimate SEO Tool

    2019 · neilpatel.com · its alternatives →

11. 11
    SEO Rater▲12

    Simple free tool for estimating backlink page SEO value

    2024 · seorater.net · its alternatives →

12. 12
    Sonar▲14

    A linting tool for the web

    2017 · its alternatives →

13. 13
    SEO & Brand Building Tools▲13

    1000+ Tools Available For Free - SEO & Marketing

    2025 · toolszu.com · its alternatives →

14. 14RW
    Realtime Website Analytics for Free▲9

    2018 · statvoo.com · its alternatives →

15. 15
    SEO Toolkit by Apex Marketing▲7

    Free all-in-one SEO and marketing tools

    2025 · apexmarketing.co.uk · its alternatives →

16. 16
    The SEO Rambler▲6

    The competitive SEO analysis tool

    2016 · canonicalized.com · its alternatives →

17. 17FK
    Free Keyword Tool Using Google, YouTube, Amazon and Other API Hacks▲9

    2016 · freekeywordtool.net · its alternatives →

18. 18SW
    Simple Website Monitoring Tool▲5

    2014 · blog.insping.com · its alternatives →

19. 19
    Free SEO Tools▲6

    Optimize your website performance - Free Seo Tool

    2025 · freeseotools.online · its alternatives →

20. 20
    SEO Toolkit▲10

    Free seo analysis & optimization tools suite

    2025 · seotoolkit-pi.vercel.app · its alternatives →

21. 21MO
    Metarank – open-source hybrid search with LLMs▲7

    A small demo for a Metarank open-source project I'm maintaining.

    2023 · demo.metarank.ai · its alternatives →

22. 22
    SEOCheap — Affordable SEO Tools▲7

    Professional SEO Tools, Ridiculously Cheap

    Feb 2026 · seocheap.tools · its alternatives →

23. 23IW
    I wrote a search engine + aggregator for WordPress sites▲5

    2011 · presstags.com · its alternatives →

24. 24MS
    Music Search Engine▲7

    2012 · tunesicles.com · 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 →