| Application name | Description | License | Source | Notes |
| ChatSecure | Encrypted XMPP client | GPLv3 | git | |
| Delta Chat | Email-based instant messaging | GPLv3 | git | |
| Firefox for iOS | Mobile web browser | MPL 2.0 | git | |
| Linphone | Video SIP/VoIP client | GPLv2 | git | Also available for Android. |
| MiniKeePass | Password manager | GPLv3 | git | |
| MAPS.ME | Offline maps and navigation using OpenStreetMap data | Apache 2.0 | git | Also available for Android. |
| Nextcloud | File sync & share, with encryption possible | GPLv3 | git | Also available for Android, Windows, macOS and Linux. |
| Nextcloud Talk | Chat, voice and video calling | GPLv3 | git | Also available for Android. |
| OctoPod | OctoPrint client for controlling 3D printers | Apache 2.0 | git | |
| OsmAnd | Offline maps and navigation using OpenStreetMap data | MIT | git | Also available for Android. |
| OwnCloud | File sync & share (the official ownCloud app) | GPLv3 | git | Also available for Android, Windows, macOS and Linux. |
| Signal | Encrypted instant messaging, voice and video calling | GPLv3 | git | Also available for Android, Windows, MacOS and Linux. |
| Surespot | Encrypted instant messaging | GPLv3 | git | Also available for Android. |
| Telegram | Instant messaging | GPLv2 | git | Also available for Android, Windows Phone, and Firefox OS. |
| Vim | A port of the UNIX based text editor to iOS, with syntax highlighting | Free software | git | |
| VLC for iOS | A port of the free VLC media player | MPL 2.0
GPLv2+ | git | |
| The White House | The official White House app | MIT | git | |
| wikiHow | wikiHow app | GPL | git | |
| Wikipedia | The official Wikipedia app | MIT | git | Also available for Android, webOS and Kindle. |
| Wire | Encrypted instant messaging, voice and video calling | GPLv3 | git | Also available for Android, Windows, MacOS and Linux. |
| WordPress | The official WordPress app | GPLv2 | git | Also available for Android. |
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