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This is an incomplete list of notable applications (apps) that run on iOS which meet guidelines for free software and open-source software.
| Application name | Description | License | Source | Notes |
|---|---|---|---|---|
| Authenticator | Two-Factor Authentication Client | MIT | git | |
| Beam | reddit iOS client | GPLv2 | git | |
| Bitwarden | password manager | GPLv3 | git | Also available for Windows, Linux, macOS and Android. |
| BookPlayer | Audiobook player | GPLv3 | git | |
| ChatSecure | Encrypted XMPP client | GPLv3 | git | |
| Collabora Online | Office suite compatible with Microsoft Office, enterprise ready LibreOffice | MPLv2.0 | git | Also available for Android, Chrome OS, Windows, macOS and Linux. |
| Contribution Graphs for GitHub | Quickly check in on your GitHub contributions from your Home Screen using Widgets | MIT | git | |
| Daily Dozen | Plant-Based Food Tracker | GPLv3 | git | Also available for Android. |
| Input | QGIS based GIS field data collection | GPLv2 | git | Also available for macOS M1 and Android. |
Delta Chat  |
Email-based instant messaging | GPLv3 | git | Also available for Windows, Linux, macOS and Android. |
| DuckDuckGo | DuckDuckGo search engine client | Apache 2.0 | git | Also available for Firefox, Chrome, Safari and Android. |
| Element | Matrix collaboration client for iOS | Apache 2.0 | git | Also available for Android, Web and Linux. |
| Feeds4U | RSS reader app for iOS | MIT | git | |
| Firefox Focus | Mobile web browser | MPL 2.0 | git | Also available for Android. |
| Firefox for iOS | Mobile web browser | MPL 2.0 | git | |
| Formant Analyzer | Speech therapy and accent neutralization | MIT | git | |
| Jami | Softphone and instant messager | GPLv3 | git | Also available for Windows, Linux, macOS and Android. |
| Joplin | Note taking and to-do application with synchronization capabilities | MIT | git | Also available for Android, Windows, macOS and Linux. |
| Kickstarter | App for the website kickstarter.com | Apache 2.0 | git | Also available for Android. |
| LibTerm | iOS sandboxed terminal with Python 3.7 and Lua 5.3 | MIT | git | |
| Linphone | Video SIP/VoIP client | GPLv2 | git | Also available for Android. |
| Local Storage | Local Storage file browser for iOS | GPLv3 | git | |
| Loose-Leaf | Note taking app with PDF support | MIT | git | |
| MaximumMPD | Client for Music Player Daemon | MIT | git | |
| MiniKeePass | Password manager | GPLv3 | git | |
| MAPS.ME | Offline maps and navigation using OpenStreetMap data | Apache 2.0 | git | Also available for Android. |
| MuPDF | PDF reader | AGPL v3+ | git | Also available for Android and Windows and unix-like systems. |
| NetNewsWire | RSS reader | MIT | git | Also available for macOS. |
| 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 | |
| OnlyOffice | Open-source office suite compatible with Microsoft Office | AGPL v.3 | git | Also available for Android, Windows, macOS and Linux. |
| Open Food Facts | Open-source and open-data food scanner | Apache 2.0 | git | Also available for Android. |
| Onion Browser | An open-source, privacy-enhancing web browser for iOS, utilizing the Tor anonymity network | own | 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. |
| Pass for iOS | iOS client compatible with Pass command line application | MIT | git | Also available for Android, Windows, macOS and Linux. |
| ProtonMail | E-Mail client ProtonMail | GPLv3 | git | Also available for Android. |
| Raivo OTP | OTP manager | own | git | |
| Qfield | A simplified touch optimized interface for QGIS | GPLv2 | git | Also available for Android, Windows, iOS and Linux. iOS and Window versions are under development for now.[1][2] |
| Signal | Encrypted instant messaging, voice and video calling | GPLv3 | git | Also available for Android, Windows, MacOS and Linux. |
| Simplenote | Encrypted notes | GPLv2 | git | Also available for Android, Windows, MacOS and Linux. |
| Siskin IM | XMPP client with OMEMO support | GPL v3 | git | |
| Standard Notes | Encrypted notes | GPL v3 | git | |
| Surespot | Encrypted instant messaging | GPLv3 | git | Also available for Android. |
| Telegram | Instant messaging | GPLv2 | git | Also available for Android, Windows Phone, and Firefox OS. |
| Tutanota | E-Mail client Tutanota | GPLv3 | git | Also available for Android, Windows, MacOS and Linux. |
| 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 | |
| VPNOn | Control your VPN connections | MIT | 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. |
| Zeplin iOS | First unofficial community driven Zeplin iOS Application | GPLv3 | git | Available for iOS. |
By: Wikipedia.org
Edited: 2021-06-18 15:09:24
Source: Wikipedia.org
