Work · alternatives · 2026

24 alternatives to From a “hello world” project to a complex messenger

This is a GitHub-based project launched in 2020 that demonstrates the evolution from basic "hello world" programming to building a complex messenger application. It serves as an educational resource for developers… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. From a “hello world” project to a complex messenger launched in 2020; newer entries below may have overtaken it.

1. 1
   Whole Git repo was made with ChatGPT▲231

   A repository fully generated by ChatGPT making it believed it checked out a this repository which I described like the first line of the README. - vrescobar/chatGPT-python-elm

   2022 · github.com · its alternatives →

2. 2
   Messenger Platform▲523

   Build apps on top of Facebook Messenger

   2015 · messenger.com · its alternatives →

3. 3
   A chat client built on git▲81

   Contribute to staab/git-chat development by creating an account on GitHub.

   2016 · github.com · its alternatives →

4. 4
   I built an AI that turns GitHub codebases into easy tutorials▲923

   https://the-pocket.github.io/Tutorial-Codebase-Knowledge/

   2025 · github.com · its alternatives →

5. 5
   Messenger Platform (Beta)▲518

   Build your bot and reach 900 million people around the world

   2016 · developers.facebook.com · its alternatives →

6. 6
   GitHub Learning Lab▲503

   Get the skills you need without leaving GitHub

   2018 · its alternatives →

7. 7GC
   Gitter – Chat for GitHub▲243

   2013 · gitter.im · its alternatives →

8. 8
   Messenger Platform 2.0▲521

   Discovery, chat extensions, and richer experiences

   2017 · facebook.com · its alternatives →

9. 9
   Buzz▲161

   Your people, your agents, your project — all in one place

   Jul 2026 · buzz.xyz · its alternatives →

10. 10
    GitHub Projects▲718

    GitHub takes on Trello with new project management tools

    2016 · github.com · its alternatives →

11. 11GF
    Github for Designers▲409

    2012 · pixelapse.com · its alternatives →

12. 12
    Open Source alternative to services like Intercom.io and Smooch▲163

    Client library for Minimal Chat. Contribute to minimalchat/client development by creating an account on GitHub.

    2017 · github.com · its alternatives →

13. 13
    CodebaseChat▲207

    Create a GPT chatbot for any GitHub repo in just 30 seconds

    2023 · codebasechat.com · its alternatives →

14. 14WA
    We actually built chat for GitHub - Kato.im▲17

    2013 · kato.quora.com · its alternatives →

15. 15
    Layer Platform API▲202

    Build rich application-to-user messaging

    2015 · its alternatives →

16. 16
    ZenHub 2.0 ▲151

    Agile project management inside GitHub.

    2015 · its alternatives →

17. 17
    #Startup Chat▲358

    The global startup community, on Slack

    2014 · hashtagstartup.co · its alternatives →

18. 18
    Total.js Messenger▲181

    A small, open-source alternative to Slack

    2017 · totaljs.com · its alternatives →

19. 19
    GitHub Team Discussions▲260

    Now there's more space to talk through your projects 💬

    2017 · github.blog · its alternatives →

20. 20
    GitHub Project Management▲115

    No-fluff guide to building a collaborative development team

    2016 · zenhub.com · its alternatives →

21. 21
    Node.js Messenger▲140

    A small alternative to Slack

    2017 · totaljs.com · its alternatives →

22. 22
    GitHub Copilot X▲140

    The AI-powered developer experience

    2023 · github.com · its alternatives →

23. 23
    Gitter▲131

    free public chat rooms for open source projects on GitHub

    2014 · gitter.im · its alternatives →

24. 24
    I Made a Chat Server▲20

    2021 · github.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 →