Dev tools · alternatives · 2026

24 alternatives to Sunmao

A framework for developing low-code tools

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

1. 1
   ToolJet 3.0▲602

   Build custom applications fast, now with 50+ integrations

   2024 · tooljet.com · its alternatives →

2. 2LB
   Lowdefy – Build internal tools with YAML on an open-source framework▲107

   2021 · lowdefy.com · its alternatives →

3. 3
   ToolJet▲332

   Open-source low-code platform to build internal tools

   2022 · its alternatives →

4. 4
   Greta▲492

   If you can think it, you can build it!

   2025 · greta.questera.ai · its alternatives →

5. 5
   ToolJet 2.0▲330

   Open source low code platform to build internal tools

   2023 · its alternatives →

6. 6
   Solar▲520

   An infinite canvas for vibe-coding production apps.

   2025 · its alternatives →

7. 7
   NocoBase▲491

   Scalability-first, open-source no-code platform

   2024 · its alternatives →

8. 8
   Starlight by Astro▲500

   Build beautiful documentation websites with ease

   2023 · its alternatives →

9. 9
   CodeToo▲76

   Frontend development workflow app to help devs get organized

   2022 · its alternatives →

10. 10
    Fathym▲63

    The data application orchestration and development framework

    2020 · its alternatives →

11. 11
    TensorZero▲316

    Open-source stack for industrial-grade LLM applications

    2025 · github.com · its alternatives →

12. 12
    Uiverse.io▲346

    3500+ UI elements, copy the code or use in Figma

    2023 · its alternatives →

13. 13
    Foundation Building Blocks▲279

    Free library of coded UI components to jumpstart development

    2017 · its alternatives →

14. 14LF
    Lona – Framework for responsive web apps in full Python without JS▲165

    2021 · lona-web.org · its alternatives →

15. 15
    Tango▲82

    A source code based low-code builder

    2023 · its alternatives →

16. 16
    massCode 2.0▲185

    A free and open source code snippet manager for developers

    2022 · its alternatives →

17. 17
    Brightwork▲184

    Develop serverless apps using Javascript

    2016 · its alternatives →

18. 18
    ILLA Cloud 2.0▲167

    Accelerate your internal tools development

    2023 · its alternatives →

19. 19
    Conektto API-First Design Studio▲157

    API design studio for product managers

    2023 · its alternatives →

20. 20
    ZenStack▲119

    Build scalable web apps with minimal code

    2023 · its alternatives →

21. 21
    Solarch▲109

    Interactive diagrams with AI, and your code always in sync

    Jun 2026 · solarch.dev · its alternatives →

22. 22
    Uno Platforn▲75

    Single-codebase for Windows, Web, iOS, macOS, Android, Linux

    2020 · its alternatives →

23. 23
    Serverless-Dev-Tools▲122

    Developer tools for the serverless world

    2020 · its alternatives →

24. 24RA
    Ristretto, an OSS sandboxed code playground/notebook written in itself▲54

    2024 · ristretto.codeberg.page · 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 →