head to head · open source
azerothcore-wotlk vs hyperion
azerothcore-wotlk has 8,990 GitHub stars, 3,836 forks, 2,445 open issues and last shipped yesterday. hyperion has 1,085 stars, 34 forks, 45 open issues and last shipped 2 days ago. azerothcore-wotlk leads on adoption by 729% (8,990 vs 1,085 stars). azerothcore-wotlk is written in C++ under GPL-2.0; hyperion is written in Rust under Apache-2.0. azerothcore-wotlk has attracted 43% as many forks as stars, hyperion 3%. 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 | hyperion | |
|---|---|---|
| GitHub stars | ★ 9.0K | ★ 1.1K |
| License | GPL-2.0 | Apache-2.0 |
| Written in | C++ | Rust |
| Last push | 2026-10-02 | 2026-10-01 |
| Forks | ⑂ 3.8K | ⑂ 34 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick azerothcore-wotlk if
- You weight community size — 9.0K 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 hyperion if
- You want the hyperion feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and hyperion fits your workflow better
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 →
About hyperion
Hyperion is a Minecraft game engine written in Rust for running massive custom multiplayer events, aimed at server operators and game developers who need thousands of concurrent players in a single world.
read the full hyperion overview →
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Frequently asked questions
Is azerothcore-wotlk or hyperion more popular?
azerothcore-wotlk has 8,990 GitHub stars and hyperion has 1,085. azerothcore-wotlk has the larger community by that measure.
Are azerothcore-wotlk and hyperion free?
Both are open source. azerothcore-wotlk is licensed under GPL-2.0 and hyperion under Apache-2.0. Neither carries a licence fee.
What is the difference between azerothcore-wotlk and hyperion?
azerothcore-wotlk is written in C++ and hyperion in Rust. 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 hyperion?
Choose azerothcore-wotlk if you want the larger community (8,990 stars) or its GPL-2.0 licence terms. Choose hyperion if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.