Custom servers

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File:Disambig color.svg This article is about unofficial Java Edition Minecraft server software. For Bedrock Edition server software, see {{ #replace: Bedrock Edition server software | # |  §  }}.

File:Disambig color.svg This article is about unofficial Minecraft server software. For official default free of charge multiplayer software, see {{ #replace: server | # |  §  }}. For official Mojang paid-for servers, see {{ #replace: Realms | # |  §  }}.

A custom server is a Minecraft server that uses no derived code or components from the original Minecraft Classic or Survival server software, thus they are 100% free of Mojang code and restrictions.Template:Tag They are made as alternatives to the original server to add extra features, such as gameplay changes or to make fixes such as lag optimization. The protocol implemented by beta Minecraft releases from Mojang can change with each release, so custom server creation and maintenance has the extra challenge of remaining up to date with these changes.

Features

Custom servers have a range of features, some common with official server editions. These features extend the functionality of gameplay, administration and many new, original additions.

Multiworld

Multiworld is the name of a feature of the Minecraft client which can be used by a custom server. The first server to have this feature was Myne.

Usually on these servers they have a main world with portals to direct the player to these other maps or by a command. They can also create new worlds and assign various properties to the world, for example; restrictions on who may enter or build on certain worlds. This makes it possible to show old worlds while still having maps for the public to build on. This can also grant more private areas to prevent griefing.

Formatting codes

Main article: Formatting codes

Formatting codes are handled by the game with a section sign (§). The default Minecraft Client does not allow to insert this symbol into chat, therefore many Custom Servers allow to use an ampersand (&) or percent (%) instead.

Messages sent from the server to the client can contain formatting codes.

When the client sends color coded chat to the server (using a modified or old client), some servers (including vanilla) will kick the player and ignore the message.

Color coding at the start of the message will only work if the player ID byte is less than 127. If it is 127 or higher, the game automatically adds §e before the message, making it yellow. However, color codes after the first character still work. Using an ID below 127, it doesn't add a color code, so the ones the player uses will work.

It is important to note that a section sign at the end of a message that is not followed by a hex digit will crash all clients that receive it, so it is a must to sanitize chat messages received from clients.

Comparison

See also: Bedrock Edition server software

This is a comparison of available custom servers for the PC version of Minecraft.

Servers that are listed here are required to have at least one publicly accessible release.

Survival

This version of Minecraft only includes multiplayer at this time.

Metadata

Name	Developer(s)	Minecraft version	Language	License	Platform
GemsCraft (In development, not fully functional yet)	apotter96	1.13.2	C#	MIT	Windows
Diorite	GotoFinal, NorthPL93	Minecraft 1.8	Java	MIT	LinuxOS X
Feather	Caelum van Ispelen	Minecraft 1.13.2	Rust	Apache License 2.0	Linux
Bravo	C. and others	Minecraft Beta	Python 2	MIT	LinuxOS X
C#raft	ementalo, spazzarama Smjert, Deniska(Gremlin13)	Release 1.5	C#	AGPL3	LinuxOS X
Chunky Monkey	huin, agon, nictuku	Minecraft Beta	Go	MIT	LinuxOS X
craftd	Founders (kev009, meh), PrecipiceGames (HACKhalo2, dotblank, alyawn), other contributors	Minecraft Beta	C99	Simplified BSD	Linux
Cuberite	Many	Release 1.8 - 1.12.2	C++	Apache License 2.0	LinuxOS X
mc-erl	Apiocera, clonejo	Release 1.4.7	Erlang	GPL v3	Linux
Glowstone	SpaceManiac, deathcap, mastercoms, jimmikaelkael, gdude2002, momothereal, others	Release 1.12.2	Java	MIT	LinuxOS X
hCraft	BizarreCake	Release 1.7.2	C++	GPLv3	Linux
LibOpenCraft	Geramy, Alex, Zahndy	Release 1.2.4	C#	GPL v3	LinuxOS X
Mineserver	Fador, Nredor, Psoden, deoxxa, ...	Release 1.5.2	C++	New BSD	LinuxOS X
OpenMC	Xinnx	Beta 1.4	C#	GPL v3
Spout (with Vanilla plugin)	SpoutDev: Afforess, Wulfspider, alta189, raphfrk, Top_Cat, narrowtux, Olloth, Rycochet, RoyAwesome, zml2008	Release 1.6.4	Java	SpoutDev v1	LinuxOS X

Features

Name	Scripting	IRC	Multiworld	Physics	Entities	Biomes	Redstone	Pistons
GemsCraft	C#	Planned	Planned	Planned	Planned	Planned	Planned	Planned
C#raft
Chunky Monkey
craftd
Cuberite
mc-erl
hCraft
Glowstone
LibOpenCraft
LuaCraft
Mineserver
OpenMC
Spout (with Vanilla plugin)

Classic

This version of Minecraft only includes Survival Multiplayer.
Only include developers that contribute to the source
Please be aware that if you are adding a MCLawl fork or just looking for a particular one they have been moved to here.

Please note that this is not Beta server software which means no Beta support (only Classic, outdated or inactive).

Metadata

Name	Basis	Developer(s)	Language	License	Database	Platform
800Craft	fCraft	Jonty800, GlennMR, LaoTszy	C#	GPLv3 / MIT	Flatfile	LinuxOS X
Arc	Myne	The Arc Team	Python	BSD 2-Clause modified	Flatfile	LinuxOS X
D3	None	Dadido3, Umby24	Purebasic	MIT	SQlite	Linux
fCraft	None	fragmer	C#	MIT	Flatfile	LinuxOS X
FemtoCraft	None	fragmer	C#	BSD 3-Clause	Flatfile	LinuxOS X
FourCraft	FemtoCraft	dalak	C#	MIT	Flatfile	LinuxOS X
GGS	None	hypereddie	Java	GPL v3	SQLite/MySQL	LinuxOS X
LegendCraft	800Craft	LeChosenOne, DingusBungus	C#	MIT	Flatfile	LinuxOS X
[MinedStone]	Arc	RasmusOlle	Python	None	Flatfile	LinuxOS X
GemsCraft Classic	LegendCraft	apotter96	C# and VB	MIT	Flatfile	LinuxOS X
OpenClassic	OpenCraft	Steveice10	Java	MIT	Flatfile	LinuxOS X
PowerBlock	None	dreadiscool	Java	GPLv3	Flatfile	LinuxOS X
Overv CTF	MCSharp	HeroCane (Marvy)	C#	GPLv3	Flatfile	LinuxOS X
>>MCLawl Forks<<	MCLawl	Various	C#	Various	Various	LinuxOS X
Bonemeal	None	BonemealPioneer	Python	Apache 2.0	Various	LinuxOS X

Features

Name	Scripting	GUI	IRC	Multiworld	Custom Blocks	Physics	Entities	Block Tracking	Remote Console	Supports CPE
800Craft
Arc
D3
fCraft
FemtoCraft
FourCraft
GGS
LegendCraft
MinedStone
GemsCraft
OpenClassic
PowerBlock