AppBreakup

Open source Flux alternatives: 1 app ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

1 of the 5 Flux alternatives we track are open source. KiCad ranks highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1KiCad logoKiCadOpen source—YesWindows, macOS, Linux5 of 564.8
  1. KiCad logo

    1. KiCadTop pick

    Best for: Hobbyists, startups and engineers who want a capable PCB tool with no licence cost

    Open sourceWindows, macOS, Linux

    64.8

    score / 100

    Why switch from Flux

    Free, open-source desktop EDA suite with no layer limit and files you keep locally.

    Pros

    • Completely free with no feature limits or seat caps
    • Runs on Windows, macOS and Linux
    • Large official libraries and an active community
    • Projects are local files you fully control

    Cons

    • Fewer advanced high-speed and team collaboration features than Altium
    • Managing custom libraries takes some learning
    • No built-in part sourcing like EasyEDA's LCSC link
    How this score is calculated
    Editorial fit ×0.387
    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 KiCad a good Flux alternative?

    Verified facts

    5 of 5 verified
    License
    GPL v3
    Checked Nov 8, 2026kicad.org(opens source in a new tab)
    Platforms
    Windows, Linux, macOS
    Checked Nov 8, 2026kicad.org(opens source in a new tab)
    Simulation
    Integrated SPICE
    Checked Nov 8, 2026kicad.org(opens source in a new tab)
    Manufacturing output
    Gerber and IPC-2581
    Checked Nov 8, 2026kicad.org(opens source in a new tab)
    First released
    1992
    Checked Nov 8, 2026kicad.org(opens source in a new tab)