Best File Sharing Open Source Tools in 2026

Open Source Alternatives

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Open Source Alternatives

Quiet

stars 2.6Kforks 145

Peer-to-peer serverless chat app with no central server

Chat Security Privacy Tools+3

MiroTalk

stars 4.7Kforks 773

Free browser-based video calls with no sign-up required

Chat Video Screen Recorders+4

SpacebarChat

stars 2.2Kforks 324

Free open source Discord reimplementation with full API parity

Chat Self Hosted Security+4

Converse.js

stars 3.3Kforks 834

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

Chat Self Hosted Security+5

Element

stars 13.4Kforks 2.8K

Secure team chat built on the Matrix open protocol

Chat Security Self Hosted+5

Zulip

stars 25.9Kforks 10.2K

Organized team chat with threaded conversations, self-hostable

Chat Open Core Self Hosted+3

Tox

stars 2.7Kforks 311

Free encrypted P2P messaging and voice calls, no servers

Chat Security Privacy Tools+5

Jami

stars 168forks 59

Free P2P encrypted messaging, calls, and file sharing

Chat File Sharing Security+3

Apache PDFBox

stars 3.1Kforks 964

Open source Java library for creating and parsing PDFs

Developer Framework Coding Documentation+4

Wire

stars 2.8Kforks 334

End-to-end encrypted messaging, voice, and file sharing

Chat File Sharing Video+3

Konqueror

stars 106forks 36

KDE-native file manager and browser with multi-protocol support

Web Browsers File Sharing File Sync & Storage+1

RustDesk

stars 123.1Kforks 19K

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

Self Hosted Security Server Management+5