renwc,github

antlr4

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

aviatorscript

A high performance scripting language hosted on the JVM.

bbs

巡云轻论坛系统包含论坛、问答模块。系统采用JAVA+MYSQL架构，自适应手机端和电脑端，界面简洁，性能高效。数据库表结构设计使用分表方案,提高系统的负载能力。后台数据库备份/还原、全站指定目录打包、一键自动升级等功能使维护简单方便。系统拥有强大的模板管理功能，布局版块支持设置输出条件，让前端页面展示方便快捷。

echo

🦄 开源社区系统：基于 SpringBoot + MyBatis + MySQL + Redis + Kafka + Elasticsearch + Spring Security + ... 并提供详细的开发文档和配套教程。包含帖子、评论、私信、系统通知、点赞、关注、搜索、用户设置、数据统计等模块。

flatbuffers

FlatBuffers: Memory Efficient Serialization Library

flowable-engine

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

gs-securing-web

Securing a Web Application :: Learn how to protect your web application with Spring Security.

iText 7 for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText 7 can be a boon to nearly every workflow.