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Parla vs DeltaTouch: catalog facts
Parla	DeltaTouch
Free Free and open source under the GPL-3.0 license.	Free Free and open source under GPL-3.0-only.
Windows, macOS, Linux	Linux
Encrypted messaging carried over email Includes shared Webxdc mini-apps	Decentralized messaging Compatible with official Delta Chat clients
Connects to deltachat-rpc-server.	Linux distribution is available through Flathub.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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