Open source Business & Finance tools

11 open-source tools in this category.

Showing 11 results

OpenBB

OpenBB

AI-powered investment research — Bloomberg Terminal alternative.

AGPL-3.0 platform with 50+ data providers, AI copilot, portfolio analytics, and technical analysis. Python SDK or full platform with Docker.

financeanalyticsinvestment
68.4K6.9KAGPL-3.0
vs Bloomberg
Odoo

Odoo

Modular open-source ERP — CRM, accounting, inventory, eCommerce, and 30+ business apps.

LGPL-3.0 alternative to SAP and NetSuite. Self-host the Community Edition or use Odoo Cloud — integrated apps for sales, operations, finance, and HR.

crmerpenterprise
51.7K32.6KLGPL-3.0
vs SAP
Cal.com

Cal.com

Open-source scheduling infrastructure — embeddable, self-hostable.

MIT-licensed alternative to Calendly with round-robin, team events, and Stripe integration. React embed component and WordPress/Webflow plugins.

schedulingcalendarbooking
45K13.8KMIT
vs Calendly
Hyperswitch

Hyperswitch

Open-source payments switch — one API for 50+ providers.

RSLv2-licensed alternative to Stripe. Smart routing, automatic failover, reconciliation, and dispute management. Rust + TypeScript stack.

paymentsfintechbilling
42.8K4.8KRSLv2
vs Stripe
ERPNext

ERPNext

Full-featured open-source ERP — accounting, inventory, HR, CRM.

GPL-3.0 alternative to SAP and Odoo. Double-entry bookkeeping, batch tracking, BOM, payroll, and lead management. Python/React stack with MariaDB.

erpbusinessfinance
35.2K11.5KGPL-3.0
vs SAP
Postiz

Postiz

Agentic open-source social media scheduler for 30+ networks — self-hostable with AI, API, and MCP.

Open-source alternative to Buffer and HootSuite. Schedule, cross-post, and automate social content with AI, a visual calendar, and REST API — self-hostable under AGPL-3.0.

social mediaautomationanalytics
31.2K5.7KAGPL-3.0
vs HootSuite
Midday

Midday

Financial workspace for freelancers — invoicing, time tracking, expenses.

AGPL-3.0 alternative to FreshBooks with Stripe payments, Plaid bank connection, receipt scanning, and multi-currency support. Next.js stack.

financeaccountingbusiness
14.4K1.7KAGPL-3.0
vs QuickBooks
Papermark

Papermark

Open-source data room — secure document sharing with page-level analytics.

AGPL-3.0 alternative to DocSend. Shareable links, custom domains, watermarking, NDA gating, and Tinybird analytics — self-hostable or papermark.com cloud.

saasdata-roomdocument-sharing
8.4K1.2KAGPL-3.0
vs DocSend
Ever Gauzy

Ever Gauzy

Open business platform — ERP, CRM, HRM, ATS, and PM in one stack.

AGPL-3.0 alternative to Odoo for agencies and freelancers. NestJS + Angular, multi-tenant, time tracking, invoicing, and MCP server with 323+ AI tools.

crmerpenterprise
3.7K768AGPL-3.0
vs SAP
BrightBean Studio

BrightBean Studio

Free, self-hostable social media management for agencies — 10+ platforms, no per-seat limits.

Open-source alternative to Buffer and SocialPilot. Multi-workspace scheduling, approval workflows, unified inbox, and analytics — fully free under AGPL-3.0, cloud or self-hosted.

social mediaschedulingmarketing
1.7K349AGPL-3.0
vs Buffer
Malak

Malak

Open-source investor relations hub — KPIs, updates, and fundraising.

AGPL-3.0 alternative to Carta for founders. Investor updates, KPI dashboards, cap table, data rooms, and pipeline CRM — white-label, self-hostable via Docker.

fundraisinginvestor-relations
599AGPL-3.0
vs Carta