Calendula

A modern Material 3 Expressive calendar for Android.MIT

Money Manager Ex

Manage your finances on-the-go, encrypted for security, sync via your storage GPL-3.0-or-later

Fossify Calendar

Securely plan, schedule, and set reminders with our private calendar app.GPL-3.0-only

ntodotxt

Manage your todos in a todo.txt fileMIT

Readrops

multi-services RSS clientGPL-3.0-only

Joplin

A note taking and to-do app with sync between Linux, macOS, Windows, and mobileMIT

Droidrops

Droidrops RSS clientGPL-3.0-only

SDB Viewer

View song lyrics, a translation of it and guitar chordsGPL-3.0-only

Simple Notes Sync

Offline notes & checklists, self-hosted sync. Under 5 MB, no ads, no tracking.AGPL-3.0-only

Kvaesitso

A search-focused, free and open source launcher for AndroidGPL-3.0-or-later

SelfPrivacy

Self-hosted services without painGPL-3.0-only

floccus bookmark sync

Sync your bookmarks privately across browsers and devicesMPL-2.0

SimpleDay

Minimalist Markdown diary with app lock and your-own-cloud WebDAV sync.GPL-3.0-only

Notification Vault

A private, secure, open-source notification logger and history manager.GPL-3.0-only

OpenDocument Reader

Document reader & file editor for Libreoffice & OpenOffice | ODF: ODT, ODS +moreGPL-3.0-or-later

Cfait

Powerful, fast and elegant TODO / task manager. (CalDAV and local)GPL-3.0-only

KashCal

All your calendars in one app. iCloud, CalDAV, device, ICS. Private.Apache-2.0

Tallybook

Private, offline-first expense and budget tracker, no account requiredGPL-3.0-or-later

Anywherelan

Peer-to-peer mesh VPN to connect your devices directly, no central serversMPL-2.0

Podcini.X - Podcast instrument

Modern, feature-rich, without access to YoutubeGPL-3.0-only