Why keep a Java runtime on the server just to host Minecraft, when Pumpkin runs from a single native executable and lets Java and Bedrock players share a world? Java Edition clients join on port 25565 and Bedrock clients on 19132, although Bedrock support is still marked work in progress. Builds exist for Windows, Linux, macOS, and Android. On launch, the console reports the worlds loaded and the server ready within milliseconds. Plugins are sandboxed WebAssembly modules that raise console permission prompts and pass signature checks, and authors can write them in Rust, Kotlin, Python, Go, C#, C/C++, D, Zig, or TypeScript. The ppm package manager searches and installs community plugins from the Pumpkin Market, and PatchBukkit loads some Bukkit and Paper plugins, with expected gaps. One pumpkin.toml file holds ports, MOTD, view distance, whitelist, authentication, compression, PvP, chat, resource packs, and world options, while chunks save in Anvil, Linear, or the native Pump format. Velocity and BungeeCord forwarding fit proxy networks, and the Query protocol plus Minecraft Server Management Protocol cover monitoring and remote administration. A public parity tracker lists every vanilla block, entity, item, and command as implemented, partial, or planned, so gaps are easy to spot before a world moves. Today it suits private survival worlds, test servers, and plugin development. It is early software, so the project advises backups. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GPL-3.0 licensed.

Stateful serverless actors that run indefinitely, sleep when idle, and persist state across restarts without external database round trips. Rivet provides a vendor-neutral alternative to Cloudflare Durable Objects, delivering long-running processes with co-located in-memory state and per-actor SQLite databases on any infrastructure you choose. The Rust engine comprises four packages: Pegboard for actor orchestration, Gasoline for durable execution, Guard for traffic routing via Envoy, and Epoxy implementing multi-region KV storage through EPaxos consensus. Each actor maintains instant-access in-memory state plus a dedicated SQLite database for relational queries, backed by RocksDB on single nodes or PostgreSQL with NATS pub/sub for multi-node clusters. RivetKit SDKs in TypeScript, Rust, and Python support built-in WebSocket connections, task queues, scheduling, and CRDT-based real-time collaboration. The v2.3 rewrite moved the core runtime from JavaScript to native Rust via WebAssembly, eliminating main-thread blocking across Node.js, Bun, Deno, and Cloudflare Workers. A built-in dashboard provides actor inspection with real-time Prometheus metrics. Deploys as a single Docker container on port 6420 with optional PostgreSQL for persistence. Available on RepoCloud with a dedicated VPS under the Apache 2.0 license.