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Open source BUSY alternatives: 1 app ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

1 of the 6 BUSY alternatives we track are open source. Odoo Accounting ranks highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Odoo Accounting logoOdoo AccountingFree plan + paid—YesWeb, iOS, Android +14 of 470.9
  1. Odoo Accounting logo

    1. Odoo AccountingTop pick

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

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

    70.9

    score / 100

    Why switch from BUSY

    Accounting plus inventory, sales and purchase modules in one ERP, with an open-source core you can self-host as you grow.

    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 ×0.357
    Reviews ×0.363
    Clicks (90 days) ×0.15100
    Freshness ×0.15100
    Votes ×0.150

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

    Is Odoo Accounting a good BUSY 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)