![](https://ftp.fau.de/fdroid/repo/info.guardianproject.checkey/en-US/icon_u6GazWhtE6VnMlTpZJrhKfveY-xjt5JYyDnyUriNbEY=.png)
Checkey
Info on local appsGPL-3.0-only
![](https://ftp.fau.de/fdroid/repo/ie.defo.ech_apps/en-US/icon_et5R_zxqVN5OwYC-f0NYiQEgW9JarKnZMAYS0jH9-IY=.png)
DEfO ECH Apps
Experimental fork of F-Droid to use TLS ECH with Cloudflare as the default hostGPL-3.0-or-later
![](https://ftp.fau.de/fdroid/repo/icons/org.iilab.openmentoring.2008.png)
openmentoring-mobile
Helps access and share practical educational content on digital securityLGPL-3.0-only
![](https://ftp.fau.de/fdroid/repo/info.guardianproject.pixelknot/en-US/icon_xvdwiCXWYRYFGzkEg2NCLK3CM5U_6q1EGbMnZnp-pOo=.png)
PixelKnot: Hidden Messages
Have a secret that you want to share? Why not hide it in a picture?GPL-3.0-only
![](https://f-droid.org/assets/ic_repo_app_default.png)
ObscuraCam: The Privacy Camera
Picture anonymity: Take pictures & blur identities with this privacy camera appGPL-3.0-or-later
![](https://ftp.fau.de/fdroid/repo/info.guardianproject.ripple/en-US/icon_5rahRVWTJvv7v4UOm0Gde0t88Xh_N4m3wdI-6RTyZ3o=.png)
Ripple: respond when panicking
Trigger apps to protect your privacy when in anxious or panic situationsGPL-3.0-or-later