head to head · open source
azerothcore-wotlk vs zfoo
azerothcore-wotlk has 9,162 GitHub stars, 3,953 forks, 2,445 open issues and last shipped yesterday. zfoo has 2,008 stars, 415 forks, 19 open issues and last shipped 6 months ago. azerothcore-wotlk leads on adoption by 356% (9,162 vs 2,008 stars). azerothcore-wotlk is written in C++ under GPL-2.0; zfoo is written in Java under Apache-2.0. azerothcore-wotlk has attracted 43% as many forks as stars, zfoo 21%. azerothcore-wotlk was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (game-server), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| azerothcore-wotlk | zfoo | |
|---|---|---|
| GitHub stars | ★ 9.2K | ★ 2.0K |
| License | GPL-2.0 | Apache-2.0 |
| Written in | C++ | Java |
| Last push | 2026-11-09 | 2026-05-29 |
| Forks | ⑂ 4.0K | ⑂ 415 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick azerothcore-wotlk if
- You weight community size — 9.2K stars and counting
- You want the GPL-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick zfoo if
- You want the zfoo feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and zfoo fits your workflow better
About azerothcore-wotlk
AzerothCore Build Status Introduction AzerothCore is an open source game server application and framework designed for hosting massively multiplayer online role playing games (MMORPGs). It is based on the popular MMORPG World of Warcraft (WoW) and seeks to recreate the gameplay experience of the original game from patch 3.3.5a. The original code is based on MaNGOS, TrinityCore, and SunwellCore and has since then had extensive development to improve stability, in game mechanics, and modularity to the game. AC has also grown into a community driven project with a significant number of contributors and developers…
read the full azerothcore-wotlk overview →
About zfoo
English 简体中文 Ⅰ. Introduction of zfoo🚩 Extremely fast, asynchronous, actor design, lock free, universal RPC framework, native GraalVM support High scalability, Single server deployment, microservice deployment, cluster deployment, gateway deployment Can be used as a game server framework or website server framework zfoo protocol supports C++ Rust Java/Kotlin/Scala JavaScript/TypeScript/ES C Go Php Ruby Lua GDScript Python Dart Swift Perfect work development process, complete online solution Spring projects, distributed projects, container projects, hot update code without downtime hotswap Excel json csv…
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Frequently asked questions
Is azerothcore-wotlk or zfoo more popular?
azerothcore-wotlk has 9,162 GitHub stars and zfoo has 2,008. azerothcore-wotlk has the larger community by that measure.
Are azerothcore-wotlk and zfoo free?
Both are open source. azerothcore-wotlk is licensed under GPL-2.0 and zfoo under Apache-2.0. Neither carries a licence fee.
What is the difference between azerothcore-wotlk and zfoo?
azerothcore-wotlk is written in C++ and zfoo in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, azerothcore-wotlk or zfoo?
Choose azerothcore-wotlk if you want the larger community (9,162 stars) or its GPL-2.0 licence terms. Choose zfoo if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.