Kotlin Foss

Open-source Kotlin projects categorized as Foss

Top 16 Kotlin Foss Projects

  • FlorisBoard

    An open-source keyboard for Android which respects your privacy. Currently in early-beta.

    Project mention: Good keyboard? | reddit.com/r/degoogle | 2023-04-26

    You could try https://github.com/florisboard/florisboard, available on F-droid.

  • ort

    A suite of tools to assist with reviewing Open Source Software dependencies.

    Project mention: Microsoft open sources Salus software bill of materials (SBOM) generation tool | news.ycombinator.com | 2022-07-16

    > Do HN got a recommendation for other CLI based SBOM generators?

    Try ORT https://github.com/oss-review-toolkit/ort (full disclosure I am one of its maintainers and also a the lead of the SPDX Defects/Security Profile).

    If people have questions on SBOMs, comparing SCA/SBOM tools or ORT - feel free to reach out to me https://github.com/tsteenbe/

    ORT plug below ;-)

    ORT is much more than a SBOM generator though, it's a cli/library that enables you to safely use, integrate, modify and redistribute third party software including FOSS.

    You can use ORT to:

    1. Generate CycloneDX or SPDX SBOMs for your software project

  • Appwrite

    Appwrite - The Open Source Firebase alternative introduces iOS support. Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!

  • Auxio

    A simple, rational music player for android

    Project mention: [DEV] Tasker 6.2.1 Beta - Target API 33, Easily Restrict HTTP Request Events, Worldwide Date/Time Formatting, Easier System Variable Selection | reddit.com/r/tasker | 2023-05-25

    Auxio, for instance, has a really well organized tracker

  • Frost-for-Facebook

    An extensive and functional third party app for Facebook

    Project mention: Don't have access to notification | reddit.com/r/GrapheneOS | 2023-01-20
  • symphony

    🎵 Groovify & Symphonize with Symphony! Available for Android 9+. (by zyrouge)

    Project mention: Swiping down on now playing card | reddit.com/r/symphony_app | 2023-04-03

    Link to the on-going issue: https://github.com/zyrouge/symphony/issues/37.

  • Sapphire-Assistant-Framework

    An extensible framework for creating Android Assistants on-device. It does not require Google services or network connectivity

    Project mention: how to stop my phone from listening | reddit.com/r/androidapps | 2022-09-02

    If you use google assistent wait for: www.reddit.com/r/SapphireFramework https://github.com/Tadashi-Hikari/Sapphire-Assistant-Framework And buy this dude a coffe!

  • Sapphire

    A free and open source replacement for Google Assistant on Android devices, meant to integrate with the Sapphire Framework. It contains both speech-to-text and text-to-speech services. It does not require Google services or network connectivity (by Tadashi-Hikari)

    Project mention: Sapphire - Open-source Google Assistant replacement | reddit.com/r/CKsTechNews | 2022-10-08
  • CodiumAI

    TestGPT | Generating meaningful tests for busy devs. Get non-trivial tests (and trivial, too!) suggested right inside your IDE, so you can code smart, create more value, and stay confident when you push.

  • retrowars

    Play retro games against each other in any combination in this open source Android multiplayer game.

    Project mention: Tetris? | reddit.com/r/fossdroid | 2023-04-05
  • min-cal-widget

    Minimal calendar widget

    Project mention: MinCal, a customizable calendar widget | reddit.com/r/fossdroid | 2023-04-26
  • Tasky

    Tasky is a highly intuitive and easy-to-use todo list application designed for those who seek a powerful yet minimalistic way to manage their daily tasks. (by thatsmanmeet)

    Project mention: ⟳ 2 apps added, 13 updated at apt.izzysoft.de | reddit.com/r/FDroidUpdates | 2023-03-27

    Tasky: Tasky is a simple task management tool to organize your ToDo lists.

  • Stable-Diffusion-Android

    Stable Diffusion AI client app for Android

    Project mention: ⟳ 2 apps added, 9 updated at apt.izzysoft.de | reddit.com/r/FDroidUpdates | 2023-05-16

    SDAI: Generate Stable Diffusion AI assets on your own WebUI server instance.

  • btcmap-android

    Easily find places to spend sats anywhere on the planet


    Hackable discord selfbot written in kotlin! (by caffeine-moe)

    Project mention: Best Discord Selfbot? | reddit.com/r/Discord_selfbots | 2022-06-19


  • Clipboard-Cleaner

    An android app for showing and cleaning clipboard.

    Project mention: ⟳ 3 apps added, 16 updated at apt.izzysoft.de | reddit.com/r/FDroidUpdates | 2023-03-19

    Clipboard Cleaner: show and clean your clipboard

  • Plutus-InvestmentTracker

    We're here to track money going out of your checking account into different type of investment. Consider it an easy way to check how much money you've invested over the years and where.

  • PPayed

    a FOSS app to manage your payments in contract-based works.

  • InfluxDB

    Access the most powerful time series database as a service. Ingest, store, & analyze all types of time series data in a fully-managed, purpose-built database. Keep data forever with low-cost storage and superior data compression.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-05-25.

Kotlin Foss related posts


What are some of the best open-source Foss projects in Kotlin? This list will help you:

Project Stars
1 FlorisBoard 4,164
2 ort 1,155
3 Auxio 1,135
4 Frost-for-Facebook 961
5 symphony 378
6 Sapphire-Assistant-Framework 295
7 Sapphire 153
8 retrowars 121
9 min-cal-widget 70
10 Tasky 60
11 Stable-Diffusion-Android 54
12 btcmap-android 42
13 CHAOS 24
14 Clipboard-Cleaner 13
15 Plutus-InvestmentTracker 6
16 PPayed 4
Static code analysis for 29 languages.
Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.