The most active Scala / Spark repositories on GitHub, August 2026

As of August 2026, the most active Scala / Spark repository on GitHub is apache/spark (43.8k stars). The top 10 Scala / Spark repositories tracked by StarHunt hold 163.2k combined stars, averaging 16.3k each, with 10 of 10 updated in the last week. Among the 86 of their contributors StarHunt could place in one of six tracked countries, 53% are in the United States.

What are the most active Scala / Spark repositories in August 2026?

Based on GitHub activity data updated weekly, here are the top Scala / Spark repositories for August 2026.

#	Repository	Stars	Last push
1	apache/spark Apache Spark - A unified analytics engine for large-scale data processing big-data java	⭐ 43,831 (+19)	today
2	apache/flink Apache Flink big-data flink	⭐ 26,258 (+7)	yesterday
3	lichess-org/lila ♞ lichess.org: the forever free, adless and open source chess server ♞ chess free-software	⭐ 18,569 (+20)	today
4	scala/scala Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at http functional-programming jvm-languages	⭐ 14,567 (+1)	yesterday
5	akka/akka-core A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted actor-model akka	⭐ 13,278 (+1)	2 days ago

Which Scala / Spark repositories grew the most this month?

Compared to last month, here is what moved in the Scala / Spark ecosystem:

• lichess-org/lila: +20 stars
• apache/spark: +19 stars
• apache/iceberg: +9 stars
• apache/flink: +7 stars
• delta-io/delta: +5 stars

The biggest mover this month was lichess-org/lila, which gained 20 stars.

Which Scala / Spark repositories are growing fastest?

Measured by month-over-month star gains, these Scala / Spark repos are on the rise:

• apache/iceberg +9 stars this month (9.1k total)
• delta-io/delta +5 stars this month (8.9k total)
• playframework/playframework +1 stars this month (12.6k total)
• scalaz/scalaz +1 stars this month (4.7k total)

How active is the Scala / Spark ecosystem this month?

Across the top 10 Scala / Spark repositories tracked by StarHunt:

• Combined stars: 163,215
• Average stars per repository: 16,321
• Repositories with a commit in the last 7 days: 10 out of 10

Looking to hire Scala / Spark engineers? StarHunt searches GitHub repositories to surface developers who actually contribute to these projects.

Who builds the top Scala / Spark repositories?

StarHunt has indexed 219 contributors across these Scala / Spark repositories. Among the 86 located in one of the six tracked countries (United States, United Kingdom, France, Germany, Spain, Canada), the split is:

• United States: 53% (46)
• Germany: 33% (28)
• United Kingdom: 7% (6)
• France: 5% (4)
• Canada: 2% (2)

52% have a public email on their GitHub profile.

A few standouts across individual repositories:

• apache/flink — 81% of apache/flink's StarHunt-indexed contributors located in one of the six tracked countries are in Germany. 59% of them are in Berlin alone.
• apache/iceberg — 72% of apache/iceberg's StarHunt-indexed contributors located in one of the six tracked countries are in the United States. 16% of them are in San Francisco alone.

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