stream-lib by addthis

Stream summarizer and cardinality estimator.

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

231 +0

2,256 +1

557 +0

stormpot by chrisvest

A fast object pool for the JVM

created at March 22, 2011, 12:27 p.m.

16 +0

326 +1

41 +0

simple-binary-encoding by real-logic

Simple Binary Encoding (SBE) - High Performance Message Codec

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

208 +0

3,028 +0

514 +1

eta by typelead

The Eta Programming Language, a dialect of Haskell on the JVM

created at April 7, 2016, 11:25 a.m.

97 +0

2,593 +0

142 +0

RxJava by ReactiveX

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

created at Jan. 8, 2013, 8:11 p.m.

2,224 +0

47,679 +3

7,574 +2

rollinghashjava by lemire

Rolling hash functions in Java

created at March 11, 2011, 3:45 p.m.

8 +0

75 +0

13 +0

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.

132 +0

3,404 +7

534 +1

reactive-streams-utils by lightbend

None

created at Feb. 22, 2018, 4:18 a.m.

16 +0

63 +0

7 +0

rtree by davidmoten

Immutable in-memory R-tree and R*-tree implementations in Java with reactive api

created at Aug. 26, 2014, 12:29 p.m.

61 +0

1,070 -1

212 +0

pcollections by hrldcpr

A Persistent Java Collections Library

created at March 20, 2014, 9:28 a.m.

32 +0

746 +0

76 +0

PauselessHashMap by giltene

A java.util.HashMap compatible map that won't stall puts or gets when resizing

created at March 30, 2014, 3:27 a.m.

12 +0

150 +0

20 +0

onyx-java by onyx-platform

The Java API for Onyx

created at Nov. 21, 2015, 1:17 a.m.

5 +0

5 +0

5 +0

okio by square

A modern I/O library for Android, Java, and Kotlin Multiplatform.

created at March 17, 2014, 12:02 a.m.

266 +0

8,676 +1

1,166 +0

ohc by snazy

Java large off heap cache

created at Nov. 20, 2014, 12:28 a.m.

60 +0

1,045 +0

174 +0

mph-table by indeedeng

Immutable key/value store with efficient space utilization and fast reads. They are ideal for the use-case of tables built by batch processes and shipped to multiple servers.

created at Dec. 20, 2017, 3:26 p.m.

20 +0

95 +0

19 +0

lwjgl3 by LWJGL

LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUDA) and XR (OpenVR, LibOVR, OpenXR) applications.

created at Dec. 23, 2012, 3:40 p.m.

161 -1

4,622 +9

626 +5

low-gc-membuffers by cowtowncoder

Library for creating In-memory circular buffers that use direct ByteBuffers to minimize GC overhead

created at April 4, 2011, 4:04 p.m.

8 +0

133 +0

18 +0

lmdbjava by lmdbjava

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

created at June 5, 2016, 8:49 p.m.

39 +0

772 +2

120 +1

lmdbjni by deephacks

LMDB for Java

created at May 16, 2014, 2:14 p.m.

15 +0

203 +0

28 +0

lightweight_trie by bryanduxbury

A very memory-efficient trie (radix tree) implementation

created at April 11, 2011, 11:22 p.m.

2 +0

47 +0

6 +0