Comparison
JavaGuide vs Perenna
JavaGuide has more GitHub stars (159,078 vs 61). JavaGuide was updated more recently (last commit 3d ago). Data comes straight from GitHub and refreshes daily.
JavaGuide
Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发
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git clone https://github.com/Snailclimb/JavaGuide
Perenna
A lightweight, Git-backed permanent memory for AI agents.
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uvx vexor init| Metric | JavaGuide | Perenna |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 159,078 | 61 |
| Stars, last 7 days | +24 | n/a |
| Forks | 46,118 | 3 |
| Upvotes | 0 | 0 |
| Language | JavaScript | Python |
| License | Apache-2.0 | MIT |
| Last commit | 3d ago | 1mo ago |
| Created | May 2018 | Aug 2026 |
| Categories | Databases, Memory & knowledge, Design & frontend | Memory & knowledge, AI & LLM tooling, Dev tools |