Dev tools · alternatives · 2026

24 alternatives to Diez

Open source design language framework

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Diez launched in 2019; newer entries below may have overtaken it.

1. 1
   Diez – open-source framework and compiler for design languages▲65

   Diez radically reduces the cost of delivering a consistent visual identity across your company’s apps & websites.

   2019 · diez.org · its alternatives →

2. 2
   Dazl▲509

   The next era of vibe coding: visually edit everything

   Nov 2025 · dazl.dev · its alternatives →

3. 3
   deco.cx 2.0▲1,078

   Build web apps 10x faster with Deno, JSX, TS & Tailwind

   2024 · decocms.com · its alternatives →

4. 4
   Cube.js▲502

   An open source analytics framework 📊

   2019 · github.com · its alternatives →

5. 5
   SuperDev▲164

   All in one browser extension for web designers & developers

   2022 · chromewebstore.google.com · its alternatives →

6. 6
   Open Design SDK▲139

   Read and display data from designs, using code

   2021 · opendesign.dev · its alternatives →

7. 7
   Open Design▲139

   Dev toolkit to read, change & display data from design files

   2021 · avocode.com · its alternatives →

8. 8
   Visual Studio Code 1.0▲309

   Microsoft's cross-platform text editor for developers

   2016 · code.visualstudio.com · its alternatives →

9. 9
   CSS.GUI▲201

   Open source visual editors for everything in the CSS spec

   2022 · components.ai · its alternatives →

10. 10
    Open Source Stash▲264

    The best open-source alternatives for you next maker project

    2020 · opensourcestash.com · its alternatives →

11. 11
    Omlet▲219

    Component analytics for developers and design system teams

    2023 · omlet.dev · its alternatives →

12. 12
    Toolb.dev▲122

    A set of 50+ free interactive CSS, HTML and JS webtools

    2021 · toolb.dev · its alternatives →

13. 13
    Practice.dev▲196

    Learn programming for free.

    2020 · its alternatives →

14. 14
    Minze▲93

    Dead-simple JS framework for native web components

    2022 · minze.dev · its alternatives →

15. 15
    Modulz▲165

    The next step in visual coding

    2018 · its alternatives →

16. 16
    FrontendSource▲124

    Curated dev & designer resources updated weekly

    2020 · frontendsource.com · its alternatives →

17. 17WV
    We've created a visual live-programming environment for .NET▲117

    2020 · visualprogramming.net · its alternatives →

18. 18
    0xF▲8

    Open source developer toolkit in your browser

    Feb 2026 · 0xf.com · its alternatives →

19. 19
    Loomoz▲90

    Effortless visual feedback & collaboration platform

    Nov 2025 · loomoz.com · its alternatives →

20. 20PV
    PojoViz – Visualize the structure of any JavaScript library, framework▲78

    2014 · maurizzzio.github.io · its alternatives →

21. 21
    Developer Tool-kit▲85

    Handy collection of online developer tools

    2020 · tool-kit.dev · its alternatives →

22. 22
    Axentix 2.0▲68

    Framework leaving the design choice to the developer

    2022 · useaxentix.com · its alternatives →

23. 23
    AIO Toolz▲25

    Free, all-in-one online tools for everyone

    2025 · its alternatives →

24. 24
    I built a zero-latency developer tool suite in pure Vanilla JavaScript▲24

    Free tools for PDF, image, text, SEO, finance and developer tasks — 100% in your browser, private, no signup, ever.

    Jul 2026 · omnideck.cc · 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 →