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Pennylane alternatives · Accounting

Open-source alternatives to Pennylane

Pennylane is not described as open source on its own site. 7 of the 128 other accounting and invoicing tools in this directory are open source, according to their own sites.

Pennylane is a paid product with a free trial, starting at €7 per month, excluding VAT (Starter, 1 user). All of them are free or have a free plan.

7 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from Pennylane

  1. Akaunting

    Open-source accounting you can host yourself or use in the cloud

    • Akaunting starts at $72 per year, self-hosted. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • Akaunting has a free plan. Pennylane does not, though it has a free trial.
    • Only Pennylane lists iOS and Android apps.
    • Akaunting is open source and self-hostable, according to its own site.
    Akaunting pricing and details

  2. Odoo

    Business app suite whose Accounting app is free when used on its own

    • Odoo starts at $31.10 per user / month, billed annually, after $24.90 for the first 12 months. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • Odoo has a free plan. Pennylane does not, though it has a free trial.
    • Odoo is open source and self-hostable, according to its own site.
    • Pennylane also covers bill pay and company cards.
    Odoo pricing and details

  3. GnuCash

    Free double-entry accounting for home and small business use

    • GnuCash is free. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • GnuCash has a free plan. Pennylane does not, though it has a free trial.
    • Only GnuCash lists Windows, macOS and Linux apps.
    • Only Pennylane lists a web app.
    GnuCash pricing and details

  4. Bigcapital

    Open-source accounting you host yourself, with a cloud version planned

    • Bigcapital is free. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • Bigcapital has a free plan. Pennylane does not, though it has a free trial.
    • Only Pennylane lists iOS and Android apps.
    • Bigcapital is open source and self-hostable, according to its own site.
    Bigcapital pricing and details

  5. InvoiceShelf

    Open-source invoicing and expense tracking you host yourself

    • InvoiceShelf is free. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • InvoiceShelf has a free plan. Pennylane does not, though it has a free trial.
    • Only Pennylane lists iOS and Android apps.
    • InvoiceShelf is open source and self-hostable, according to its own site.
    InvoiceShelf pricing and details

  6. LedgerSMB

    Open-source double-entry accounting and ERP you install yourself

    • LedgerSMB is free. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • LedgerSMB has a free plan. Pennylane does not, though it has a free trial.
    • Only Pennylane lists iOS and Android apps.
    • LedgerSMB is open source and self-hostable, according to its own site.
    LedgerSMB pricing and details

  7. InvoicePlane

    Free self-hosted invoicing for quotes, invoices and payments

    • InvoicePlane is free. Pennylane starts at €7 per month, excluding VAT (Starter, 1 user).
    • InvoicePlane has a free plan. Pennylane does not, though it has a free trial.
    • Only Pennylane lists iOS and Android apps.
    • InvoicePlane is open source and self-hostable, according to its own site.
    InvoicePlane pricing and details

Common questions

Is there an open-source alternative to Pennylane?

Yes. Akaunting, Odoo, GnuCash, Bigcapital, InvoiceShelf, LedgerSMB and InvoicePlane are open source, according to their own sites.

Is Pennylane open source?

Pennylane is not described as open source on its own site. The listing was checked on Nov 12, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Pennylane: the alternatives its listing names first, then the tools that share the most features with it.