Alternatives
Products that do what Open Finance Playground does
Open-source dev guide for Brazil's Open Finance
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2022 · athenodoros.github.io
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Hi HN! We’re building an open-source pricing & packaging engine for SaaS with a built-in billing system. (https://github.com/uselotus/lotus). We strongly believe pricing is the largest untapped growth lever for SaaS, primarily because pricing affects so many critical systems that don’t talk to each other (billing, payments, feature limits, metering, and CRM). We’re building this infrastructure to fix this and enable quick experimentation. Lotus acts as a central repository for all of your pricing plans and utilizes your payment gateway, to manage usage-based, per-seat,…
2022 · github.com
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2019 · scarf.sh
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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
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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
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21+ Free financial calculators with currency converter etc.
Jul 2026 · globalfinancetools.blogspot.com
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The complete guide to Open Banking, APIs & BaaS
Jun 2026 · fintechpromptlab.gumroad.com
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2023 · github.com
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Open sourcing our neobank for nonprofits has been years in the making. We shared our initial launch here back in 2019 (https://news.ycombinator.com/item?id=19257241). Today, I’m happy to announce that our Ruby on Rails codebase is public on GitHub!
2025 · hackclub.com
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Hey! My name is Reda, and I run a small company (aries.com) we’re working on a complete development engine for finance and capital markets. You no longer need to spend millions on market data, licensing, and infra to run a consumer fintech MVP. Large banks and institutions can afford to pay past regulatory & infra barriers but in our time interviewing developers and entrepreneurs we found that not only does Fintech have one of the highest startup failure rates but most of those failures can boil down to regulation, data fees, and infra hurdles that fintech entrepreneurs need to jump over.…
2025 · twitter.com
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Hi everyone, after months of work we’re excited to show you crowd.dev - the open-source platform for community-led growth. We created crowd.dev with the belief that the future of business relies on thriving communities - particularly in the fast-growing open-source and developer space. Developers have increased buying power when it comes to the technologies their companies use, and the way to their hearts isn’t through paid ads or sales reps but through authentic community interactions. In other words, developer-focused companies (open-source, API, dev tools) need communities to grow. While…
2022 · github.com
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Olá! :) I built NotaSync, wich is a service to help Brazilian indie developers and solo builders stay on top of their tax obligations by integrating their Stripe accounts and automatically issuing NFSe (invoices) for each sale or charge. A little context: here in Brazil, companies that offer services, are required to issue a specific type of invoice called a nota fiscal de serviço (service invoice). They are different from regular invoices abroad. Our invoices have to be registered with the local city government where you have your company registered to ensures proper taxation and compliance…
2024 · notasync.com.br
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OpenCost is an open source implementation for Kubernetes cost monitoring and now cloud cost monitoring for AWS, Azure, and GCP. The project makes all of this data accessible via an API and user interface. While discussing the idea of running OpenCost on platforms besides Kubernetes we realized that with this new Cloud Costs feature there are users who want API access to their cloud billing data without needing to run on Kubernetes. I opened the Issue OpenCost without Kubernetes #2268 and as luck would have it, we had our internal Hackathon last week. If you're not familiar with OpenCost,…
2023 · github.com
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