RestExpress by RestExpress

Minimalist Java framework for rapidly creating scalable, containerless, RESTful microservices. Ship a production-quality, headless, RESTful API in the shortest time possible. Uses Netty for HTTP, Jackson for JSON, Metrics for metrics, properties files for configuration. Sub-projects and plugins enable, NoSQL, Swagger, Auth0, HAL integration, etc.

created at Jan. 6, 2011, 5:42 p.m.

108 +0

937 -1

288 +0

tape by square

A lightning fast, transactional, file-based FIFO for Android and Java.

created at Sept. 10, 2012, 6:18 a.m.

120 +0

2,460 +0

288 +0

restlet-framework-java by restlet

The first REST API framework for Java

created at Dec. 16, 2011, 7:04 p.m.

76 -2

641 +1

283 +1

NullAway by uber

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

created at Sept. 1, 2017, 5:35 p.m.

67 +0

3,532 +2

282 +0

ArchUnit by TNG

A Java architecture test library, to specify and assert architecture rules in plain Java

created at April 21, 2017, 8:39 a.m.

52 +0

3,069 +5

280 +0

classgraph by classgraph

An uber-fast parallelized Java classpath scanner and module scanner.

created at Aug. 17, 2014, 8:46 p.m.

85 +0

2,647 +7

279 +0

OctoLinker by OctoLinker

OctoLinker — Links together, what belongs together

created at Dec. 27, 2013, 6:01 p.m.

92 +0

5,244 +1

277 -3

jimfs by google

An in-memory file system for Java 7+

created at Oct. 21, 2013, 2:39 p.m.

109 +0

2,382 +2

276 +1

bucket4j by bucket4j

Java rate limiting library based on token-bucket algorithm.

created at Oct. 12, 2014, 2:19 p.m.

51 +0

2,168 +3

274 +0

ff4j by ff4j

Feature Flags for Java made easy

created at June 22, 2013, 2:36 p.m.

52 +0

1,354 +1

273 +0

dd-trace-java by DataDog

Datadog APM client for Java

created at April 24, 2017, 9:24 a.m.

579 +1

540 +2

272 +1

simple-java-mail by bbottema

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

created at April 17, 2015, 6:28 a.m.

36 +0

1,181 +3

259 +2

orika by orika-mapper

Simpler, better and faster Java bean mapping framework

created at Dec. 18, 2012, 11:13 p.m.

76 +0

1,289 +2

259 +1

logbook by zalando

An extensible Java library for HTTP request and response logging

created at Sept. 14, 2015, 3:29 p.m.

73 +0

1,727 +5

256 +0

streamex by amaembo

Enhancing Java Stream API

created at April 10, 2015, 5:02 p.m.

78 +0

2,148 +0

248 +0

fast-serialization by RuedigerMoeller

FST: fast java serialization drop in-replacement

created at Dec. 5, 2013, 8:36 p.m.

101 +0

1,574 +2

248 +0

cqengine by npgall

Ultra-fast SQL-like queries on Java collections

created at Aug. 23, 2015, 7:27 p.m.

87 +0

1,680 +1

248 +1

requery by requery

requery - modern SQL based query & persistence for Java / Kotlin / Android

created at Nov. 14, 2015, 12:45 a.m.

80 +0

3,136 +0

245 +0

univocity-parsers by uniVocity

uniVocity-parsers is a suite of extremely fast and reliable parsers for Java. It provides a consistent interface for handling different file formats, and a solid framework for the development of new parsers.

created at July 12, 2014, 4:39 a.m.

45 +0

897 +1

244 +0

lanterna by mabe02

Java library for creating text-based GUIs

created at June 29, 2015, 6:06 a.m.

68 +0

2,205 +3

244 +1