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Qtcord vs Abaddon: catalog facts
Qtcord	Abaddon
Free Free and open source under the MIT licence.	Free Free and open source.
Linux	Windows, macOS, Linux
Native Qt interface without a webview Lighter than the official Electron client	Native GTK app instead of Electron Voice chat support
Unofficial client; use may violate Discord's terms Described by its developer as a side project	Third-party Discord clients break Discord's terms and could put an account at risk Not every Discord feature is supported
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.