| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 0 |
| Spec score · Minecraft Server Software | 8.8 (#2) | 7.8 (#11) |
| API | Allay's API is published to Maven Central, with snapshot versions available through Sonatype's central snapshot repository. | Leaf provides an API dependency through its Maven repository for Gradle and Maven projects. |
| Download | Users can download release or nightly builds as shaded JAR files and launch them with Java. | Leaf is distributed as a Minecraft server JAR; the download page says the listed 26.3 builds are experimental and not recommended for production. |
| License | The project says its content is generally open source under LGPL-3.0, while its data and codegen folders use MIT. | The project license page says Leaf binaries are licensed under GPL-3.0-only, while patches generally use MIT unless otherwise indicated. |
| Purpose | Allay is third-party server software for Minecraft: Bedrock Edition, written from scratch to be reliable, fast, and feature-rich. | Leaf is high-performance Minecraft server software designed to preserve vanilla behavior and plugin compatibility. |
| Runtime requirement | Allay requires Java 21 and recommends GraalVM for performance or OpenJDK for a stable experience. | The latest experimental build shown on the download page requires Java 25 or newer. |