> /v1/language/kotlin
Best open source Kotlin projects[002]
2 curated open source projects written primarily in Kotlin, ranked by GitHub stars. Combined: 28,962 stars.
// AUTH & SECURITY№ 001
Signal
KOTLIN
Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
★ STARS
28.8k
⑂ FORKS
6.7k
OPEN PROJECT→
// DEVELOPER TOOLS№ 002
Embrace
KOTLIN
Modern mobile observability built on OpenTelemetry
★ STARS
183
⑂ FORKS
20
OPEN PROJECT→
// FREQUENTLY ASKED
What are the best open source Kotlin projects?
The most popular by GitHub stars are Signal, Embrace — see all 2 above.
What is the most popular Kotlin project?
Signal (28,779 stars). Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.
How is this list updated?
Star counts and project metadata are refreshed nightly from the GitHub API.