Protocol Buffers - Google's data interchange format
created at Aug. 26, 2014, 3:52 p.m.
The OpenAPI Specification Repository
created at March 3, 2014, 4:53 p.m.
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
created at July 15, 2011, 10:56 p.m.
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
created at Sept. 13, 2012, 11:34 a.m.
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
created at May 12, 2018, 9:57 a.m.
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
created at March 18, 2010, 10:32 p.m.
Open source RabbitMQ: core server and tier 1 (built-in) plugins
created at Sept. 20, 2010, 10:29 a.m.
Pentaho Data Integration ( ETL ) a.k.a Kettle
created at Oct. 8, 2013, 6:27 p.m.
An API Gateway built on Spring Framework and Spring Boot providing routing and more.
created at Nov. 16, 2016, 9:42 p.m.