head to head · open source
Babylon.js vs azerothcore-wotlk
Babylon.js has 26,087 GitHub stars, 3,687 forks, 22 open issues and last shipped 2 days ago. azerothcore-wotlk has 8,936 stars, 3,802 forks, 2,445 open issues and last shipped today. Babylon.js leads on adoption by 192% (26,087 vs 8,936 stars). Babylon.js is written in TypeScript under Apache-2.0; azerothcore-wotlk is written in C++ under GPL-2.0. Babylon.js has attracted 14% as many forks as stars, azerothcore-wotlk 43%. azerothcore-wotlk was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Babylon.js | azerothcore-wotlk | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 8.9K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | TypeScript | C++ |
| Last push | 2026-09-18 | 2026-09-20 |
| Forks | ⑂ 3.7K | ⑂ 3.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Babylon.js if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- 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 Babylon.js
Babylon.js is an open source, Apache 2.0 licensed 3D game and rendering engine written in TypeScript, built for JavaScript and TypeScript developers who want to create browser based 3D games, visualizations and WebXR experiences inside a friendly JavaScript framework.
read the full Babylon.js 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 Babylon.js or azerothcore-wotlk more popular?
Babylon.js has 26,087 GitHub stars and azerothcore-wotlk has 8,936. Babylon.js has the larger community by that measure.
Are Babylon.js and azerothcore-wotlk free?
Both are open source. Babylon.js is licensed under Apache-2.0 and azerothcore-wotlk under GPL-2.0. Neither carries a licence fee.
What is the difference between Babylon.js and azerothcore-wotlk?
Babylon.js is written in TypeScript 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, Babylon.js or azerothcore-wotlk?
Choose Babylon.js if you want the larger community (26,087 stars) or its Apache-2.0 licence terms. Choose azerothcore-wotlk if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.