F-Droid Search: sync

Stingle Photos is a secure, end-to-end encrypted gallery and sync appGPL-3.0-only

Write notes and sync them with KolabLGPL-3.0-only

Cross-platform app to take notes. Encrypted, open-source, sync across devices.GPL-3.0-only

Bind notes to links and sync them with NextcloudGPL-3.0-or-later

Another notes app, like there have been tens of thousands before.Apache-2.0

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

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

Quantum-safe encrypted planner to schedule & manage your events & sync calendarsGPL-3.0-or-later

Sync Android notifications encrypted to a Linux desktopGPL-3.0-only

Task manager app, supporting syncing with Taskwarrior.Apache-2.0

Markdown notes, task lists, Nextcloud sync and more. A fork of the Quillnote appGPL-3.0-only

Let's see if your favourite YouTube content is available on LBRYGPL-3.0-only

Podcast app with clips, video, livestreams, playlists, profiles, and cross-platfAGPL-3.0-or-later

Browse the webMPL-2.0

Local plain text file timeline memo toolMIT

Synchronize your phone with your WebDAV server, the easy way.MIT

Audio Oscilloscope and SpectrumGPL-3.0-only

Connect to a painlessMesh networkMIT

A calendar provider add-on for Suntimes.GPL-3.0-or-later

Client app for KeePass databasesApache-2.0