Hyperswitch
Unified API for connecting multiple global payment processors
Built with:
Rust 
JavaScript 
GitHub 
NodeJS 
Bash 
Github Actions 
OpenAPI 
Docker 
Prettier 
Express 
Typescript 
Eslint 
Redis 
Postgres 
npm 
Google Analytics 
Slack Similar Tools
0 Finance
Startup treasury management with 8% APY, insurance, and instant US/EU
Actual
Open-source alternative to Mint, Rocket Money, and YNAB — Privacy-focused personal finance app with envelope budgeting and sync
Akaunting
Open-source alternative to Bench, Quickbooks, and Xero — Self-hosted multilingual accounting software with invoicing and expenses
Autumn
Open-source alternative to Recurly, Stripe Billing, and Zuora — Open-source Stripe alternative for AI startups with usage-based billing
Ballerine
Open-source alternative to Feedzai, Seon, and SumSub — AI-driven fraud prevention and compliance for fintechs and banks
Bigcapital
Open-source alternative to Dext, Insightly, and Quickbooks — Open-source accounting software with multi-currency and reporting features
BillaBear
Open-source alternative to Recurly, Stripe Billing, and Zuora — Open-source subscription management with tax automation and workflows
Captable
Open-source alternative to AngelList, Carta, and Pulley — Open-source cap table software for startups managing equity and fundraising
Crater
Open-source alternative to Quickbooks, Stripe Billing, and Xero — AI-driven invoicing and payments for platforms and businesses
ERPNext
Open-source alternative to HubSpot, Salesforce, and SAP — Open-source ERP with accounting, inventory, HR, and CRM modules
