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81% merged
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25 first-timers merged
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Most welcoming Kotlin repos
20 repos, most welcoming first
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risa-labs-inc/
BossConsole Open-source, multi-platform harness for AI agents - a native, multi-threaded operator's console (JVM, not Electron) to run Claude Code, Codex, Gemini or OpenCode with a real browser, terminal, editor, secrets & 100+ MCP tools. Built for enterprises, science & research.
Kotlin 812 stars
Worth your time73% mergedreport →replies in 8 hours
13 first-timers merged
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- Worth your time74% mergedreport →
replies in 18 hours
14 first-timers merged
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- Worth your time78% mergedreport →
replies in about a day
6 first-timers merged
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thunderbird/
thunderbird-android Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
Kotlin · Java 14k stars
Worth your time64% mergedreport →replies in 5 days
18 first-timers merged
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- Worth your time62% mergedreport →
replies in about a day
14 first-timers merged
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- Worth your time54% mergedreport →
replies in about a day
7 first-timers merged
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openMF/
mifos-x-field-officer-app Mifos X Field Officer Application - Latest Release Branch "MAIN", Default Branch for all PRs "DEV". Releases from Dev to Main subject to release process.
Kotlin 245 stars
Worth your time50% mergedreport →replies in 14 hours
9 first-timers merged
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- Worth your time70% mergedreport →
replies in 5 hours
4 first-timers merged
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RetroMusicPlayer/
RetroMusicPlayer Best Material You Design music player for Android
Kotlin · Java 5.3k stars
Worth your time50% mergedreport →replies in 9 hours
14 first-timers merged
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- Worth your time47% mergedreport →
replies in 2 days
12 first-timers merged
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AAswordman/
Operit The most powerful AI agent and AI chat software on Android/Operit是一款Android上能力最为强大、发展最久的AI Agent
Kotlin · JavaScript 8.2k stars
Worth your time45% mergedreport →replies in 5 days
6 first-timers merged
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fcitx5-android/
fcitx5-android Fcitx5 input method framework and engines ported to Android
Kotlin 5.7k stars
Worth your time52% mergedreport →replies in 14 days
3 first-timers merged
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openMF/
mifos-mobile Repository for the Mifos Mobile Banking App for clients. Default Branch for PRs is Dev. Main is for release code and subject to Release Process
Kotlin 360 stars
Worth your time47% mergedreport →replies in 23 hours
10 first-timers merged
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varabyte/
kobweb A modern framework for full stack web apps in Kotlin, built upon Compose HTML
Kotlin 2.3k stars
Worth your time80% mergedreport →replies in about a day
4 first-timers merged
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ankidroid/
Anki-Android AnkiDroid: Anki flashcards on Android. Your secret trick to achieve superhuman information retention.
Kotlin 12k stars
Worth your time43% mergedreport →replies in 2 hours
9 first-timers merged
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- Worth your time56% mergedreport →
replies in about a day
4 first-timers merged
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- Worth your time41% mergedreport →
replies in 2 days
10 first-timers merged
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facebook/
fresco An Android library for managing images and the memory they use.
Kotlin · Java 17k stars
Worth your time44% mergedreport →replies in under a minute
4 first-timers merged
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- Worth your time18% mergedreport →
replies in 3 hours
7 first-timers merged
Outside contributors get real replies here, and their work gets merged.
