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akka/akka-core

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

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 (13,277 stars)
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 (3,547 forks)
Indexed issues
 (201 indexed issues)
open beginner issues
 (201 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
May 6, 2026
License
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Contributing guide
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Code of conduct
Dominant language
Scala
PR merge metrics
 (Avg merge 8d 19h) (10 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

201 open indexed issues

Open
Better documentation of event stream semantics
1 - triagedhelp wantedt:coret:typed
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26854 · May 2, 2019 · Scala · 13,277 stars

2 comments0 reactions0 assignees
Open
Source.actorRefWithAck for batch sending to stream
1 - triagedhelp wantedt:stream
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26818 · Apr 26, 2019 · Scala · 13,277 stars

0 comments0 reactions0 assignees
Open
Missing Java API for muting events
1 - triagedhelp wantedt:javat:testing
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26434 · Feb 22, 2019 · Scala · 13,277 stars

0 comments0 reactions0 assignees
Open
Missing docs for Java testkit EventFilter
1 - triagedhelp wantedt:docst:javat:testing
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26433 · Feb 22, 2019 · Scala · 13,277 stars

0 comments0 reactions0 assignees
Open
multi-jvm-testing for Maven
1 - triagedhelp wantedt:testing
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26385 · Feb 14, 2019 · Scala · 13,277 stars

3 comments0 reactions0 assignees
Open
watchWith and failure
1 - triagedhelp wantednice-to-have (low-prio)t:typed
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26296 · Jan 28, 2019 · Scala · 13,277 stars

2 comments1 reaction0 assignees
Open
Add blocking queue's fairness configuration support.
1 - triagedhelp wantednice-to-have (low-prio)t:core
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #26086 · Dec 9, 2018 · Scala · 13,277 stars

1 comment0 reactions0 assignees
Open
Port Netty's FastThreadLocal like thing to Akka.
1 - triageddiscusshelp wantednice-to-have (low-prio)
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #25974 · Nov 25, 2018 · Scala · 13,277 stars

5 comments0 reactions0 assignees
Open
UDP tests fail on Windows and Java 11
1 - triagedfailedhelp wantedt:iot:jdk-next
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #25882 · Nov 7, 2018 · Scala · 13,277 stars

0 comments0 reactions0 assignees
Open
concatSubstreams hangs when used as documented.
1 - triagedhackathonhelp wantedt:docst:stream
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #25814 · Oct 19, 2018 · Scala · 13,277 stars

14 comments0 reactions0 assignees
Open
Write more tests in Java for Typed
1 - triagedhelp wantedt:typed
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #25748 · Oct 5, 2018 · Scala · 13,277 stars

0 comments3 reactions0 assignees
Open
Unclear doc of delta replication of ORMap
1 - triagedhelp wantedt:distributed-data
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

akka / akka-core · #25738 · Oct 4, 2018 · Scala · 13,277 stars

1 comment0 reactions0 assignees