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. Molten, a modern API framework for Python launched in 2018; newer entries below may have overtaken it.

1. 1
   The Changelog - #189: JSON API with Yehuda Katz▲66

   Yehuda's start as a programmer and the spec for building API

   2016 · changelog.com · its alternatives →

2. 2
   Curveball, a microframework in TypeScript with AWS Lambda support▲7

   2020 · evertpot.com · its alternatives →

3. 3SM
   Silk – Markdown driven API tests▲8

   2016 · medium.com · its alternatives →

4. 4
   Dispy▲8

   A python module for distributed and parallel computing

   2017 · dispy.sourceforge.net · its alternatives →

5. 5AP
   A Python Web Framework with Rust Runtime▲5

   2022 · sanskar.me · its alternatives →

6. 6SA
   Starlette – An asyncio Web framework for Python▲8

   2018 · starlette.io · its alternatives →

7. 7
   redset, a simple tool for managing distributed work in Python▲5

   2013 · github.com · its alternatives →

8. 8
   Alex▲3

   A CLI tool for competitive programming in python

   2018 · medium.com · its alternatives →

9. 9WT
   WunderHub – The Package Manager for APIs▲5

   2022 · hub.wundergraph.com · its alternatives →

10. 10UI
    User innovation with APIs▲6

    2012 · blog.elastic.io · its alternatives →

11. 11AS
    A smart Django/Node code generator written in Haskell▲7

    2021 · app.imagine.ai · its alternatives →

12. 12
    Masonite 2.2 Released – The Modern Python Web Framework▲7

    2019 · reddit.com · its alternatives →

13. 13
    The Simplest ML API▲7

    2021 · doc.clickup.com · its alternatives →

14. 14
    Poodle, Python-to-PDDL Compiler and AI Planning SDK▲9

    2019 · github.com · its alternatives →

15. 15
    Encrusted – A Zork Interpreter Written in Rust / WebAssembly▲6

    2018 · sterlingdemille.com · its alternatives →

16. 16
    Basalt – IDE-like documentation for infrastructure and API▲7

    Mar 2026 · basalt-docs.com · its alternatives →

17. 17
    Windsock.js – A flux inspired library for building web applications▲6

    2016 · github.com · its alternatives →

18. 18SJ
    Siphon.js – A data extraction library built for scale▲8

    2016 · siphonjs.com · its alternatives →

19. 19PP
    Poetry – Python dependency management and packaging made easy▲7

    2018 · poetry.eustace.io · its alternatives →

20. 20IB
    I built inthing.io, realtime streams with a Python / REST API▲8

    2016 · willmcgugan.com · its alternatives →

21. 21TT
    Turn the Web into an API – A case study▲8

    2016 · blog.extracty.com · its alternatives →

22. 22AA
    Agex – An agent framework that lives in your Python runtime▲5

    2025 · ashenfad.github.io · its alternatives →

23. 23RA
    Ronin – a toolkit for building CLI apps in Node.js easy and fast▲5

    2014 · vdemedes.github.io · its alternatives →

24. 24PA
    Ply – a dynamic tracer for Linux▲7

    2017 · wkz.github.io · 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 →