RoaringBitmap by RoaringBitmap

A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

created at June 17, 2013, 8:29 p.m.

Java

133 -1

3,546 +4

556 +0

GitHub
jvm-tools by aragozin

Small set of tools for JVM troublshooting, monitoring and profiling.

created at April 28, 2012, 9:28 a.m.

Java

200 +0

3,318 +0

519 +1

GitHub
Chronicle-Queue by OpenHFT

Micro second messaging that stores everything to disk

created at June 2, 2013, 3:11 p.m.

Java

172 +0

3,307 +14

532 +0

GitHub
openj9 by eclipse-openj9

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

created at Aug. 25, 2017, 1:46 p.m.

Java

149 +0

3,284 +2

721 -1

GitHub
simple-binary-encoding by real-logic

Simple Binary Encoding (SBE) - High Performance Message Codec

created at Sept. 3, 2013, 9:13 a.m.

Java

210 +0

3,119 +1

523 +0

GitHub
jitwatch by AdoptOpenJDK

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

created at Sept. 30, 2013, 2:18 p.m.

Java

159 +0

3,095 +4

440 +0

GitHub
agrona by real-logic

High Performance data structures and utility methods for Java

created at Nov. 3, 2014, 8:14 p.m.

Java

159 +0

2,878 +3

402 +1

GitHub
Chronicle-Map by OpenHFT

Replicate your Key Value Store across your network, with consistency, persistance and performance.

created at July 18, 2014, 3:33 p.m.

Java

165 +0

2,794 +1

471 +0

GitHub
java-string-similarity by tdebatty

Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...

created at April 17, 2014, 12:10 p.m.

Java

112 +0

2,696 +0

414 +1

GitHub
teavm by konsoletyper

Compiles Java bytecode to JavaScript, WebAssembly and C

created at Sept. 23, 2013, 8:04 p.m.

Java

99 +0

2,647 +6

265 +0

GitHub
J2V8 by eclipsesource

Java Bindings for V8

created at Aug. 3, 2014, 5:29 p.m.

Java

118 +0

2,549 +1

355 +0

GitHub
eclipse-collections by eclipse

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

created at Nov. 24, 2015, 4:22 p.m.

Java

98 +0

2,451 +1

613 -1

GitHub
HotswapAgent by HotswapProjects

Java unlimited redefinition of classes at runtime.

created at Nov. 20, 2013, 4:15 p.m.

Java

131 +0

2,361 +5

493 +0

GitHub
stream-lib by addthis

Stream summarizer and cardinality estimator.

created at March 15, 2011, 6:41 p.m.

Java

229 +0

2,260 +2

558 +0

GitHub
jOOL by jOOQ

jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.

created at March 2, 2014, 2:27 p.m.

Java

83 +0

2,091 +1

168 +0

GitHub
gs-collections by goldmansachs

GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections. https://www.eclipse.org/collections/

created at Dec. 23, 2011, 7:17 p.m.

Java

180 +0

1,812 +0

275 +0

GitHub
jvm-profiler by uber-common

JVM Profiler Sending Metrics to Kafka, Console Output or Custom Reporter

created at Jan. 5, 2018, 10:19 p.m.

Java

103 +0

1,785 +2

342 +0

GitHub
jphp by jphp-group

JPHP - an implementation of PHP on Java VM

created at Oct. 18, 2013, 2:52 p.m.

Java

104 +0

1,712 +1

159 +0

GitHub
leveldb by dain

Port of LevelDB to Java

created at July 25, 2011, 3:55 p.m.

Java

114 +0

1,529 +2

429 +1

GitHub
cyclops by aol

An advanced, but easy to use, platform for writing functional applications in Java 8.

created at May 29, 2015, 4:27 p.m.

Java

100 +0

1,317 +0

136 +0

GitHub