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AlfinoLib

by alfino

AlfinoLib is a Forge and NeoForge library that supplies shared code for datapack and networking features.

ForgeNeoForgeClient and serverGNU General Public License v3.0 onlyOpen source1.20.1 – 26.3

What it does

Some of the author's other mods use AlfinoLib for datapack and networking code, and two catalog mods, Immersive Enchanting and Immersive Apothic, require it. Its abstractions aim to keep one codebase usable across several Minecraft releases, and the author plans more of them. Files cover 1.20.1, 1.21.1, 26.1, 26.1.1, 26.1.2 and 26.3, with 1.2.0 as the latest Forge build for 1.20.1 and the latest NeoForge build for 26.3. The library is open source under the GNU General Public License v3.0 only and is installed on client and server.

Key features

  1. Networking abstractions

    Network messages are wrapped in shared classes, including stream codec handling, so one implementation can serve several loaders.

  2. Merged datapack code

    Datapack handling code from the earlier Alfino's Datapacks and Alfino's Networking projects is combined into this library.

  3. Shared version logic

    Common classes reduce the duplicate work needed to keep the same functions running on several Minecraft versions.

Compatibility

Latest build for each game version and loader.

26.3Not available1.2.0
26.1.2Not available1.2.0
26.1.1Not available1.2.0
26.1Not available1.2.0
1.21.1Not available1.2.0
1.20.11.2.0Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Required by 2 mods

Immersive Enchanting1.20.1 – 26.1.2Immersive Apothic1.21 – 1.21.11

Questions

Does Immersive Enchanting need AlfinoLib?

Yes. Immersive Enchanting requires AlfinoLib, so the library must be installed with it on the same loader.

Does AlfinoLib have to be installed on the server?

Yes. A server running it needs every connecting player to have it too.

In the catalog

AlfinoLib is one of 3,514 Library mods on ModsFinder, and one of 1,576 Library mods for Forge. 8,071 mods support Minecraft 26.3.

Library mods3,514Forge modsMods for 26.38,071

More from alfino

All projects
Immersive Enchanting1.20.1 – 26.1.2

Similar mods

Cloth Config API1.14 – 26.3YetAnotherConfigLib (YACL)1.19 – 26.3Architectury API1.16.5 – 26.3Just Enough Items (JEI)1.8 – 26.3Geckolib1.12.2 – 26.3Forge Config API Port1.16 – 26.3

What the author says

AlfinoLib is a library I use in all of my mods - it is a combination of the old Alfino's Datapacks/Alfino's Networking. The library contains abstractions for datapacks and networking (the big win is stream codec standardisation!) - making version maintenance between Forge 1.20.1, NeoForge 1.21.1, and NeoForge 26.1…
alfino, on the Modrinth page

Official listing

Owner
alfino
Published
2026-06-04
Updated on Modrinth
2026-09-21
Facts verified
2026-10-15

Tags

Library
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