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Top 20 Kotlin Privacy Projects
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simplex-chat
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
Project mention: SimpleX – the first messaging network operating without user identifiers | news.ycombinator.com | 2025-06-11 -
InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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FlorisBoard
An open-source keyboard for Android which respects your privacy. Currently in early-beta.
I'm quite happy with FlorisBoard, though initial configuration was a bit annoying. https://github.com/florisboard/florisboard
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davx5-ose
DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.
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Trail-Sense
An Android app that uses your phone's sensors to assist with wilderness treks or survival situations.
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Project mention: Obtainium: Get Android App Updates Directly from the Source | news.ycombinator.com | 2024-11-02
For those that have never heard of Accrescent: https://accrescent.app/
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SaaSHub
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Simple-Keyboard
Easy keyboard for inserting all kinds of texts, special characters and numbers. (by SimpleMobileTools)
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Project mention: Athena landed in a dark crater where the temperature was minus 280° F | news.ycombinator.com | 2025-03-14
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IYPS
A password strength app that evaluates and rates your password's robustness, estimates crack time, and provides helpful warnings and suggestions for stronger passwords.
Project mention: Avoid US or Take Burner Devices, Canadian Executives Tell Staff | news.ycombinator.com | 2025-04-14 -
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Petals
🌻 The Open Source app Petals aims to help its users to either quit weed, reduce usage or simply know how much they're using. (by LeoColman)
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Project mention: Menstrual tracking app data is gold mine for advertisers that risks women safety | news.ycombinator.com | 2025-06-11
Mensinator is also another FOSS that uses no third party sdks and is reproducibly built for android, fairly actively used, and made by women. https://github.com/EmmaTellblom/Mensinator
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Coco
Confidence Coin is a decentralized cryptocurrency with a unique holder-sensitive mechanism, utilizing the DTP technology and Flash consensus algorithm for high-speed transaction processing. It aims to create a stable and self-sustaining ecosystem, with an incentive program for governments to drive adoption. (by Confidence-coin)
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SaaSHub
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Kotlin Privacy discussion
Kotlin Privacy related posts
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SimpleX – the first messaging network operating without user identifiers
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Show HN: Port Messenger – Solving spam by removing public identifiers
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Ask HN: Are there any truly private chat apps?
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SimpleX – the first messaging operating without user identifiers of any kind
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Everyone knows all the apps on your phone
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Ask HN: Is Washington Post correct in saying Signal is unsecure?
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PObY-A
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A note from our sponsor - SaaSHub
www.saashub.com | 12 Jun 2025
Index
What are some of the best open-source Privacy projects in Kotlin? This list will help you:
# | Project | Stars |
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1 | simplex-chat | 8,779 |
2 | FlorisBoard | 7,073 |
3 | Hail | 3,788 |
4 | davx5-ose | 1,903 |
5 | android | 1,687 |
6 | Trail-Sense | 1,485 |
7 | accrescent | 1,413 |
8 | Alibi | 1,192 |
9 | exodus-android-app | 819 |
10 | anytype-kotlin | 678 |
11 | Simple-Keyboard | 333 |
12 | leon | 273 |
13 | SafeSpace | 250 |
14 | IYPS | 205 |
15 | Sapio | 142 |
16 | Petals | 102 |
17 | PObY-A | 78 |
18 | Mensinator | 76 |
19 | Clipeus | 53 |
20 | Coco | 1 |