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Open source Cin7 alternatives: 2 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

2 of the 7 Cin7 alternatives we track are open source. ERPNext and Odoo Accounting rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1ERPNext logoERPNextOpen source—YesWeb, Self-hosted4 of 452.6
2Odoo Accounting logoOdoo AccountingFree plan + paid—YesWeb, iOS, Android +14 of 451.2
  1. ERPNext logo

    1. ERPNextTop pick

    Best for: Small and mid-sized companies that want accounting tied to inventory and operations without licence fees

    Open sourceSelf-hostableWeb, Self-hosted

    52.6

    score / 100

    Why switch from Cin7

    Open-source ERP covering stock and manufacturing without per-order pricing.

    Pros

    • All modules free under GPL-3.0
    • Accounting shares one database with stock, sales and HR
    • Choice of self-hosting or managed Frappe Cloud

    Cons

    • Overkill for freelancers and very small businesses
    • Implementation takes time or a partner
    • Fewer accountants know it than mainstream tools
    Visit ERPNext Details and reviews
    How this score is calculated
    Editorial fit ×0.346
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ERPNext a good Cin7 alternative?

    Verified facts

    4 of 4 verified
    License
    GPL-3.0
    Checked Nov 8, 2026github.com(opens source in a new tab)
    Price
    Free and open source; you pay for hosting
    Checked Nov 8, 2026frappe.io(opens source in a new tab)
    Managed hosting
    From $5/month
    Checked Nov 8, 2026frappe.io(opens source in a new tab)
    Current version
    v16
    Checked Nov 8, 2026frappe.io(opens source in a new tab)
  2. Odoo Accounting logo

    2. Odoo Accounting

    Best for: Growing businesses that want accounting inside one suite with inventory, sales and HR

    Free plan + paidOpen sourceSelf-hostableWeb, iOS, Android, Self-hosted

    51.2

    score / 100

    Why switch from Cin7

    Odoo's modular suite adds inventory and manufacturing apps beside accounting.

    Pros

    • Shares data with Odoo inventory, sales, CRM and HR
    • One app free on Odoo Online with unlimited users
    • Open-source Community edition can be self-hosted

    Cons

    • Full Accounting features need the paid Enterprise edition
    • Setup and localisation often need a partner
    • More complex than a small business needs
    Visit Odoo Accounting Details and reviews
    How this score is calculated
    Editorial fit ×0.341
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Odoo Accounting a good Cin7 alternative?

    Verified facts

    4 of 4 verified
    Free plan
    One app, unlimited users
    Checked Nov 8, 2026odoo.com(opens source in a new tab)
    Free trial
    Yes, no credit card
    Checked Nov 8, 2026odoo.com(opens source in a new tab)
    Bank synchronization
    Yes
    Checked Nov 8, 2026odoo.com(opens source in a new tab)
    Source code
    Open-source apps
    Checked Nov 8, 2026github.com(opens source in a new tab)