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Dev tools · alternatives · 2026

24 alternatives to Open Finance Playground

Open-source dev guide for Brazil's Open Finance

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1
    Cumbuca▲189

    Develop your own payments infra in Brazil using our license

    Dec 2025 · cumbuca.com · its alternatives →

  2. 2IM
  3. 3
    OpenOs▲280

    ChatGpt for user, financial & marketing data analysis

    2023 · its alternatives →

  4. 4
    Ray▲298

    I've been using this daily for 4 months and figured others might find it useful. This is my first open source project so would love any feedback. Ray connects to your bank via Plaid, stores everything in an encrypted local SQLite database, and lets you ask questions about your finances in natural language. No cloud, no account, your data is stored on your machine. Before anything reaches the LLM, all PII is stripped — your name, companies, transaction details are redacted and replaced with tokens, then rehydrated locally in the response. The AI never sees who you are.

    Apr 2026 · rayfinance.app · its alternatives →

  5. 5
    Open SaaS▲505

    Open-source & 100% free React & Node.js SaaS starter

    2024 · github.com · its alternatives →

  6. 6

    TopHat Finance - an in-browser personal finances app

    2022 · athenodoros.github.io · its alternatives →

  7. 7

    AI chatbot trained on Brazil's Central Bank regulations

    May 2026 · cumbuca.com · its alternatives →

  8. 8

    Open global fintech database

    2016 · its alternatives →

  9. 9

    An open-source platform for banks

    2014 · openbankproject.com · its alternatives →

  10. 10

    OpenSource Charting Terminal for Financial Portals

    Sep 2026 · openalgo.in · its alternatives →

  11. 11
    Finage▲104

    Real-time API platform for stock, forex, and crypto data

    2025 · finage.co.uk · its alternatives →

  12. 12
    code88▲7

    Secure high‑tech financial leverage

    Nov 2025 · code88.site · its alternatives →

  13. 13
  14. 14

    I couldn't find a simple way to explore the Brazilian startup ecosystem geographically, as I can in other places like the Bay Area or London, so I built one. The map currently includes hundreds of startups from Sao Paulo and their job opportunities. The most interesting thing I've learned so far is how clustered startup activity is in a handful of areas. I'd love to hear your thoughts. The EN version: https://www.startupsbr.com/sao-paulo

    Jun 2026 · startupsbr.com · its alternatives →

  15. 15

    Hi HN, I wanted to share an app I've created recently since it might be useful for you: guitos is a free open-source budgeting app that helps you figure out where your money went and plan your budget ahead of time. It was initially created to replace a spreadsheet I created based on the budgeting advice given on the r/personalfinance subreddits and as an opportunity to learn React. The app stores data in your browser's local storage (IndexedDB). Your private financial data doesn't leave your browser. (If you're wondering what the app's name means: "guitos" is portuguese slang for…

    2023 · guitos.app · its alternatives →

  16. 16
    Pluggy▲72

    Connect your users' financial accounts in Brazil

    2022 · pluggy.ai · its alternatives →

  17. 17

    Cutting edge blockchain launchpad

    2021 · its alternatives →

  18. 18

    A Complete No Code Web3 Ecosystem

    2023 · blockchainx.finance · its alternatives →

  19. 19

    21+ Free financial calculators with currency converter etc.

    Jul 2026 · globalfinancetools.blogspot.com · its alternatives →

  20. 20

    open-source trading framework for java, supports backtesting and live trading with exchanges - univocity-trader/README.md at master · uniVocity/univocity-trader

    2019 · github.com · its alternatives →

  21. 21

    The complete guide to Open Banking, APIs & BaaS

    Jun 2026 · fintechpromptlab.gumroad.com · its alternatives →

  22. 22

    World's most innovative fintech rails

    2023 · its alternatives →

  23. 23
  24. 24

    The most user-friendly market data API

    2025 · finfeedapi.com · its alternatives →

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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 →