An open source RESTful API platform for banks that supports Open Banking, XS2A, PSD2 and Open Finance through access to accounts, transactions, counterparties, payments, entitlements and metadata - plus a host of internal banking and management APIs.
The Firefly III Data Importer can import data into Firefly III
Provides RESTful API, tools, adapters, and connectors for transparent access to open banking API's (for banks that support PSD2 and XS2A as well as HBCI/FinTS)
BankMCP™: your AI can now read your bank. Self-hosted, read-only MCP server for your own bank accounts via open banking (Enable Banking). Standard MCP; tested with Claude and Ollama.
Open Source NextGenPSD2 XS2A Implementation from adorsys.
A curated list of open source software for Europe — institutions, regulations, standards, and cross-border infrastructure
Simple Open Source implementation of a deposit account application (ASPSP core-banking) from adorsys
Open Source PSD2-compatible banking system emulator solution from adorsys
Self-hosted personal finance & net worth tracker. Aggregate banks, investments, crypto & real estate. Privacy-first.
PowerAuth - Open-source solution for authentication, secure data storage and transport security in mobile banking.
Give your AI assistant secure, read-only access to your bank accounts. MCP server supporting Plaid, Teller, Enable Banking, and Tink.
The official JavaScript development kit for building on the Starling API
Open-source retail banking platform: 70+ Kotlin/Quarkus microservices, double-entry ledger, PSD2, ISO 20022, Temporal workflows, governance-as-code and policy-gated AI agents. Reference implementation, not a licensed bank.
Open Banking Ukraine
Payment Gateway Microservice in Golang
PowerAuth mobile SDK adds capability for authentication and transaction signing into the mobile apps (iOS, tvOS, watchOS, Android).
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