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.

2,205 -1

47,922 +3

7,605 +1

okhttp by square

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

created at July 23, 2012, 1:42 p.m.

1,622 -1

45,899 +27

9,161 +4

leakcanary by square

A memory leak detection library for Android.

created at April 29, 2015, 11:54 p.m.

978 +0

29,433 +13

3,969 -1

bcc by iovisor

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

created at May 1, 2015, 7:52 p.m.

559 +0

20,614 +36

3,885 +3

graal by oracle

GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

created at Jan. 14, 2016, 5:11 p.m.

468 +0

20,421 +23

1,639 +2

goreplay by buger

GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.

created at May 30, 2013, 9:29 a.m.

470 +0

18,667 +11

29 +0

zipkin by openzipkin

Zipkin is a distributed tracing system

created at June 6, 2012, 6:26 p.m.

687 +0

17,017 +4

3,092 -1

caffeine by ben-manes

A high performance caching library for Java

created at Dec. 13, 2014, 8:45 a.m.

370 +0

15,938 +16

1,606 +1

javapoet by square

A Java API for generating .java source files.

created at Feb. 1, 2013, 4:56 p.m.

347 +0

10,831 +2

1,377 +1

auto by google

A collection of source code generators for Java.

created at May 22, 2013, 9:41 p.m.

339 +0

10,439 +4

1,202 +0

comcast by tylertreat

Simulating shitty network connections so you can build better systems.

created at Nov. 12, 2014, 3:15 a.m.

160 +0

10,315 +2

385 +1

perf-tools by brendangregg

Performance analysis tools based on Linux perf_events (aka perf) and ftrace

created at July 10, 2014, 7:54 p.m.

604 +0

9,892 +5

1,644 +0

distsys-class by aphyr

Class materials for a distributed systems lecture series

created at April 1, 2016, 8:39 p.m.

413 +0

9,077 +9

680 +1

okio by square

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

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

264 +0

8,808 +3

1,178 +0

SimianArmy by Netflix

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

created at July 6, 2012, 10 p.m.

914 -2

7,981 +2

1,136 +0

async-profiler by async-profiler

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

created at April 23, 2016, 1:27 a.m.

180 +0

7,578 +16

853 +2

aeron by real-logic

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

created at Feb. 7, 2014, 5:16 p.m.

357 +0

7,419 +15

892 +2

agera by google

Reactive Programming for Android

created at Dec. 17, 2015, 1:22 p.m.

376 +0

7,194 -2

639 +0

error-prone by google

Catch common Java mistakes as compile-time errors

created at Aug. 21, 2014, 11:26 p.m.

160 +0

6,863 +4

744 +0

smile by haifengl

Statistical Machine Intelligence & Learning Engine

created at Nov. 20, 2014, 4:28 p.m.

267 -1

6,052 +6

1,129 +1