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oracle
graaljs
C++2018–2025
oracle / graaljs

graaljs

GraalJS – A high-performance, ECMAScript compliant, and embeddable JavaScript runtime for Java

19Distinct people
21Mentions
0Explicit recommenders
2KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

GraalJS – A high-performance, ECMAScript compliant, and embeddable JavaScript runtime for Java

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

Mentioned in the same Hacker News threads. That is not proof they are substitutes.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 4:01:40 AM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year21 dated mentions

Observed mentions: 2018-04-17 20:42:14 UTC to 2025-07-17 18:38:46 UTC.

0123452018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments20182019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 4 mentions; 0 submissions, 4 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 5 mentions; 0 submissions, 5 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments20212022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 4 mentions; 0 submissions, 4 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 2 mentions; 1 submissions, 1 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2025

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC202
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC404
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC505
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC202
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC404
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC211
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC101
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC101

What Hacker News says

2 sources
I actually checked Play! on akka-http on Graal (maybe I write a Blog about it). Just the "Hello World" of Play! and I've seen like 25% improvements in request/s with CE. I think a full Scala Codebase get the most out of Graal. However running Play dev mode with Graal EE didn't worked well it sometimes had strange Class issue's where it tried to search a "java.lang.Boolnae" class (notice the misspelling) I also looked into what else Graal is capable of and it's cool to run C programs or even curl on top of it. Sadly I wished the NODE.JS integration would've been better. I wished I could run angular universal on top of Graal within Play! so that Play! would've been able todo the same thing than .net core with it's angular integration (just without running node!). However Graal can only run "pure" JavaScript (https://github.com/graalvm/graal
Read the rest
js/issues/2). (native-image does not work with Scala 2.12 (Scala 2.12 emit's indy which does not work with SubstrateVM) or even Play! on 2.11 did not work)
In First impressions about Graal VM
Graal dev here. If you want to checkout all the sources/licenses of GraalVM CE. They are here: Graal: https://github.com/oracle/graal (GPLv2 with CPE) JavaScript with Node Integration: https://github.com/graalvm/graaljs (UPL - BSD license) Ruby: https://github.com/oracle/truffleruby (EPL, GPLv2, LGPL) R: https://github.com/oracle/fastr (GPLv2) Python: https://github.com/graalvm/graalpython (UPL - BSD license) LLVM/Sulong: https://github.com/graalvm/sulong
In GraalVM: Run Programs Faster Anywhere

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