head to head · open source
engine vs azerothcore-wotlk
engine has 16,890 GitHub stars, 2,000 forks, 471 open issues and last shipped today. azerothcore-wotlk has 8,959 stars, 3,807 forks, 2,445 open issues and last shipped today. engine leads on adoption by 89% (16,890 vs 8,959 stars). engine is written in JavaScript under MIT; azerothcore-wotlk is written in C++ under GPL-2.0. engine has attracted 12% as many forks as stars, azerothcore-wotlk 42%. engine was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (hacktoberfest), 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
| engine | azerothcore-wotlk | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 9.0K |
| License | MIT | GPL-2.0 |
| Written in | JavaScript | C++ |
| Last push | 2026-09-23 | 2026-09-23 |
| Forks | ⑂ 2.0K | ⑂ 3.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick engine if
- You weight community size — 17K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick azerothcore-wotlk if
- You want the azerothcore-wotlk feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches C++
- You evaluated both and azerothcore-wotlk fits your workflow better
About engine
PlayCanvas Engine is an open source, MIT licensed JavaScript and TypeScript runtime for building interactive 3D apps, games and visualizations that run in any browser on any device, built on WebGL2 and WebGPU.
read the full engine overview →
About azerothcore-wotlk
AzerothCore (azerothcore wotlk) is an open source, modular C++ game server and framework that recreates the World of Warcraft patch 3.3.5a experience, built for people who want to run and extend their own MMORPG server rather than pay for one.
read the full azerothcore-wotlk overview →
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Frequently asked questions
Is engine or azerothcore-wotlk more popular?
engine has 16,890 GitHub stars and azerothcore-wotlk has 8,959. engine has the larger community by that measure.
Are engine and azerothcore-wotlk free?
Both are open source. engine is licensed under MIT and azerothcore-wotlk under GPL-2.0. Neither carries a licence fee.
What is the difference between engine and azerothcore-wotlk?
engine is written in JavaScript and azerothcore-wotlk in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, engine or azerothcore-wotlk?
Choose engine if you want the larger community (16,890 stars) or its MIT licence terms. Choose azerothcore-wotlk if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.