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Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.

Fast, statically typed functional language used at Jane Street and in compilers; OCaml 5 added multicore.

Dynamic functional language on the Erlang VM for fault-tolerant systems, now adding gradual set-theoretic types.

Fusion of OO and functional programming on the JVM, behind Spark and Akka/Pekko; Scala 3 is current.

Concurrent, fault-tolerant language and OTP platform behind telecoms, WhatsApp and RabbitMQ.

Head to head

Metric	OCaml	Elixir	Scala	Erlang
Stars	6.6k	26.7k	6.3k	12.4k
Weekly downloads	n/a	n/a	n/a	n/a
Download growth	n/a	n/a	n/a	n/a
Popularity score	70/100	81/100	69/100	75/100
Forks	1.5k	3.7k	1.2k	3.2k
Open issues	693	22	1.8k	695
Last commit	1w ago	today	3d ago	1w ago
License	n/a	Apache-2.0	Apache-2.0	Apache-2.0
First released	2012	2011	2012	2009
Signals	None	None	None	None
Listed in	Languages & Runtimes › Functional & BEAM Languages	Languages & Runtimes › Functional & BEAM Languages	Languages & Runtimes › Functional & BEAM Languages	Languages & Runtimes › Functional & BEAM Languages

No download history for the selected tools.

Fast, statically typed functional language used at Jane Street and in compilers; OCaml 5 added multicore.

Dynamic functional language on the Erlang VM for fault-tolerant systems, now adding gradual set-theoretic types.

Fusion of OO and functional programming on the JVM, behind Spark and Akka/Pekko; Scala 3 is current.

Concurrent, fault-tolerant language and OTP platform behind telecoms, WhatsApp and RabbitMQ.

Metric	OCaml	Elixir	Scala	Erlang
Stars	6.6k	26.7k	6.3k	12.4k
Weekly downloads	n/a	n/a	n/a	n/a
Download growth	n/a	n/a	n/a	n/a
Popularity score	70/100	81/100	69/100	75/100
Forks	1.5k	3.7k	1.2k	3.2k
Open issues	693	22	1.8k	695
Last commit	1w ago	today	3d ago	1w ago
License	n/a	Apache-2.0	Apache-2.0	Apache-2.0
First released	2012	2011	2012	2009
Signals	None	None	None	None
Listed in	Languages & Runtimes › Functional & BEAM Languages	Languages & Runtimes › Functional & BEAM Languages	Languages & Runtimes › Functional & BEAM Languages	Languages & Runtimes › Functional & BEAM Languages

No download history for the selected tools.