What are the best open-source security & privacy apps for Mac?

By community activity, Strongbox, Signal and Bitwarden are the top picks on Mac App Index right now.

Are open-source security & privacy apps free on Mac?

Not always. Of the 11 apps here, 6 are free and 4 free to start, while 1 charges for the ready-made app even though the source is open.

How many open-source security & privacy apps are there for Mac?

Mac App Index lists 11 apps: 6 completely free, 4 free to start, 0 paid upfront and 1 by subscription. 11 are open source.

Open-source security & privacy apps for Mac

11 open-source security & privacy apps for Mac, with code you can read, build and fork. 6 are free to download. Most popular right now: Strongbox, Signal and Bitwarden.

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Signal

Private messaging with end-to-end encryption

78FreeCommunication

Cryptomator

Encrypt files before they reach the cloud

42FreeSecurity & privacy

LuLu

Free open-source firewall

17FreeSecurity & privacy

KeePassXC

Offline password manager

29FreeSecurity & privacy

OverSight

Alerts when your mic or camera turns on

25FreeMenu bar

Hush

Hide cookie banners in Safari

9FreeSecurity & privacy

How we picked: every app here is listed in security & privacy on Mac App Index and publishes its source code. Apps are sorted by community activity; switch to Top or New to reorder them. How we rank apps

Frequently asked questions

What are the best open-source security & privacy apps for Mac?: By community activity, Strongbox, Signal and Bitwarden are the top picks on Mac App Index right now.
Are open-source security & privacy apps free on Mac?: Not always. Of the 11 apps here, 6 are free and 4 free to start, while 1 charges for the ready-made app even though the source is open.
How many open-source security & privacy apps are there for Mac?: Mac App Index lists 11 apps: 6 completely free, 4 free to start, 0 paid upfront and 1 by subscription. 11 are open source.