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Handpicked Open Source Alternatives to Paid Softwares

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Best Authorization Open Source Tools in 2026

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Authorization

Tinode

stars 13.5Kforks 2.1K

Self-hosted instant messaging platform for web and mobile apps

Chat Self Hosted API Development Tools+5

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Mumble

stars 8.2Kforks 1.4K

Free open source low-latency voice chat for gaming teams

Chat Self Hosted Security+4

Fusio

stars 2.1Kforks 241

Build, document, and monetize APIs from one self-hosted platform

API Infrastructure API Development Tools Developer Tools+5

RustDesk

stars 119.8Kforks 18.3K

Self-hosted remote desktop with end-to-end encryption

Self Hosted Security Server Management+5