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Open Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

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Best Open Source Web Development Tools in 2026

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SpacebarChat

stars 2.2Kforks 315

Free open source Discord reimplementation with full API parity

Chat Self Hosted Security+4

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Converse.js

stars 3.3Kforks 834

Self-hosted web-based XMPP chat client for any server

Chat Self Hosted Security+5

Firefox

stars 12.8Kforks 1.4K

Open source browser from Mozilla with privacy by default

Web Browsers Privacy Tools Security+3

Floorp

stars 8.3Kforks 260

Firefox fork with advanced privacy controls and UI customization

Web Browsers Privacy Tools Security+1