Pufferfish review
A free, open-source Java server jar for performance-focused Paper-compatible deployments.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Pufferfish is an open-source Minecraft server jar based on Paper, intended for large Java servers that need performance-focused processing and plugin compatibility. It is distributed as a downloadable JAR for self-hosted deployment, with Paper and Spigot plugin support. The project is associated with Pufferfish Studios LLC and dates to 2021. Its fit is strongest for mid-market and enterprise teams operating their own Minecraft infrastructure rather than for users seeking a managed hosting service or a native Bedrock server.
Performance is the central reason to consider Pufferfish. The feature set includes asynchronous server processing, entity-performance optimizations, faster map rendering, optimized hopper performance, reduced garbage-collection overhead, and fast raytracing. A built-in profiler provides a way to inspect server behavior, while Sentry integration connects error reporting with an external monitoring service. Together, these capabilities make Pufferfish a focused option for large Paper-compatible deployments where tick performance, rendering, and operational visibility matter.
Its ecosystem fit is practical but plugin-dependent. Paper and Spigot plugins can extend the server, and Java–Bedrock cross-play can be enabled through Geyser and Floodgate. That cross-play path is not native Bedrock support, and the product does not support mod loaders. Teams should choose Pufferfish when they want a free, open-source Paper fork that can be self-hosted and tuned through performance features and plugins. A different option will suit operators who need managed deployment, native Bedrock server software, or a mod-loader-based server.
Pufferfish pros and cons
- Where it wins
- Asynchronous processing and entity optimizations target server performance.
- Paper and Spigot plugin compatibility supports an established extension model.
- Built-in profiling, Sentry integration, and rendering improvements aid operations.
- Where it doesn't
- Self-hosted deployment requires server administration and infrastructure.
- It supports Java servers rather than native Bedrock server software.
- Cross-play requires separate Geyser and Floodgate plugins.
Pufferfish fact sheet, pricing and score →
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