Life & fun · alternatives · 2026
24 alternatives to Castle
Bank level security for developers
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Castle launched in 2015; newer entries below may have overtaken it.
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Castle▲236The easiest way to protect your users from getting hacked
2016 · castle.io · its alternatives →
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An open-source platform for banks
2014 · openbankproject.com · its alternatives →
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hackster.io▲77Where hardware hackers and makers share their projects
2014 · hackster.io · its alternatives →
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GlassWire▲112Extra security & privacy via network monitoring
2014 · glasswire.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →