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Top Open Source Finance & Fintech Tools in 2026

A curated collection of the 4 best free and open-source Finance & Fintech tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Wealthfolio

    Private open-source investment tracker

    Stars
    8,738
    Last commit
    11d ago
    License
    AGPL-3.0

  • Ghostfolio

    Privacy-first open source personal finance dashboard

    Stars
    9,195
    Last commit
    11d ago
    License
    AGPL-3.0

  • 0 Finance

    CLI-first banking for agents

    Stars
    249
    Last commit
    5mo ago
    License
    MIT

  • Looker

    Enterprise BI platform with embedded analytics

    Stars
    —
    Last commit
    Recently
    License
    Open Source
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Showing 4 of 4 open-source tools