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Side-by-side comparison

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

Fast, friendly purely functional language with platform-based effects; still pre-1.0.

Friendly, statically typed functional language for the Erlang VM and JavaScript.

Pythonic systems language for AI and GPU programming from Modular; 1.0 open-sourced in 2026.

Data-oriented C alternative popular in game development and graphics tooling.

Head to head

Metric	Roc	Gleam	Mojo	Odin
Stars	6.2k	22k	30.1k	12.3k
Weekly downloads	n/a	n/a	3.9k	n/a
Download growth	n/a	n/a	-29%	n/a
Popularity score	69/100	79/100	61/100	75/100
Forks	428	1k	3.2k	1.2k
Open issues	261	227	1.1k	722
Last commit	today	5d ago	1d ago	today
Latest version	n/a	n/a	1.2.0Oct 22, 2026	n/a
License	UPL-1.0	Apache-2.0	n/a	Zlib
First released	2019	2016	2023	2016
Signals	None	Rising	Rising	None
Listed in	Languages & Runtimes › Rising & Modern Languages	Languages & Runtimes › Rising & Modern Languages	Languages & Runtimes › Rising & Modern Languages	Languages & Runtimes › Rising & Modern Languages

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Roc, Gleam, Odin.

Fast, friendly purely functional language with platform-based effects; still pre-1.0.

Friendly, statically typed functional language for the Erlang VM and JavaScript.

Pythonic systems language for AI and GPU programming from Modular; 1.0 open-sourced in 2026.

Data-oriented C alternative popular in game development and graphics tooling.

Metric	Roc	Gleam	Mojo	Odin
Stars	6.2k	22k	30.1k	12.3k
Weekly downloads	n/a	n/a	3.9k	n/a
Download growth	n/a	n/a	-29%	n/a
Popularity score	69/100	79/100	61/100	75/100
Forks	428	1k	3.2k	1.2k
Open issues	261	227	1.1k	722
Last commit	today	5d ago	1d ago	today
Latest version	n/a	n/a	1.2.0Oct 22, 2026	n/a
License	UPL-1.0	Apache-2.0	n/a	Zlib
First released	2019	2016	2023	2016
Signals	None	Rising	Rising	None
Listed in	Languages & Runtimes › Rising & Modern Languages	Languages & Runtimes › Rising & Modern Languages	Languages & Runtimes › Rising & Modern Languages	Languages & Runtimes › Rising & Modern Languages

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Roc, Gleam, Odin.