List of Open Source Forge Mods

See also: http://www.minecraftforge.net/wiki/List_of_Open_Source_Forge_Mods

Open source

Mod Thread	Source Repository	License	Notes
Advanced Repulsion Systems	IC2 Forum	LGPLv3	source in jar
Advanced Machines	IC2 Forum	MIT	source in jar; IC2 addon
Ancient Trees	GitHub	Unlicense (Public Domain)
Applied Energistics 2	GitHub	GPLv3
BukkitForge	GitHub	LGPLv3
Camping Mod	GitHub	GPLv3
ChickenBone's mods (NEI, WR-CBE, Ender Storage...)	GitHub	MIT
Compact Solars	GitHub	GPLv3	IC2 addon
Compact Windmills	GitHub	GPL v3 with exceptions	IC2 addon
Complex Machines	GitHub	MIT with parts under LGPLv3
CrystalAlchemy	GitHub	LGPLv3
DebugHack	GitHub	MIT	Disables F3 screen, simple mod in Scala
DeveloperCapesAPI	GitHub	LGPLv3
Dimensional Anchors	Minecraft Forum	MIT	source in jar
DreamLand	GitHub	LGPLv3
DynmapForge	GitHub	Apache 2.0
EconoCraft	GitHub	[Open Source Dedication]	An alternative to Trader. Uses coins as Villager Currency.
ElectricalAge (ELN)	GitHub	LGPLv3
Elemental Sciences	GitHub	LGPLv3
Enhanced Books	GitHub	WTFPL v2
Enhanced Portals	GitHub	LGPLv3
Equivalent Exchange 3	GitHub	LGPLv3
ExtraneousCraft	GitHub	LGPLv3
Forestry	GitHub	LGPLv3
ForgeBackup	GitHub	MIT
Forge Essentials	GitHub	GPLv3
Galacticraft	GitHub	LGPLv3	Coremod, new dimensions
GraveStone mod	GitHub	LGPLv3
HexxitGear	GitHub	GPLv3
HexxitGear Revisted	GitHub	GPLv3	now updated to 1.6.4 & 1.7.10
HighlightTips	GitHub	BSD
Inventory Tweaks	GitHub	MIT
Iron Chests	GitHub	GPLv3
Immibis Core	Minecraft Forum	MIT	source in jar
Immibis Microblocks	Minecraft Forum	MIT	source in jar
Immibis Peripherals	ComputerCraft Forum	MIT	source in jar; ComputerCraft addon
InfiniTubes	Minecraft Forum	MIT	source in jar
IvToolkit	GitHub	Apache 2.0
Jarmod2CoreMod	GitHub	BSD	Coremod
Kore Sample	GitHub	Unlicense (Public Domain)
LiquidXP	Minecraft Forum	MIT	source in jar
MAtmos	GitHub	WTFPLv2
Mekanism	GitHub	MIT
Minecraft Comes Alive	Minecraft Forums	GPLv3
MineTech+	GitHub	LGPLv3
MiscConfiguration	GitHub	BSD
ModAnalyzer	GitHub	BSD
ModPLC	GitHub	LGPLv3
Modular Force Field System v2 Classic	Bitbucket	GPLv3+	IC2 addon
Modular Powersuits	GitHub	BSD	partially written in Scala
Modular Powersuits Addons	GitHub	BSD
MT100 Terminal Emulator	GitHub	GPLv3+ with MC and Forge linking exception
MumbleLink	GitHub, SF	LGPLv3	jars, has public API for extensions
OreDupeFix	GitHub	BSD
OpenCCSensors	GitHub	MIT
OpenComputers	GitHub	MIT
Petroleum Generator	GitHub	GPLv3
PlaceholderBlocks	GitHub	BSD
Plugins for Forestry	GitHub	[WTFPLv2] (http://www.minecraftforum.net/topic/1253666-152forgeplugins-for-forestry-3x-wiki-now-updated/)
PowerConverters-RPModule	GitHub	MIT
PrisonCraft	GitHub	GPLv2
Project Bench	GitHub	LGPLv3
Project Zulu	GitHub	Apache License 2.0
Scott's Tweaks	GitHub	Unlicense (Public Domain)Scottish Biomes	GitHub
SlimevoidLib	GitHub	LGPL
TerraFirmaCraft	GitHub	GPLv3
THX Helicopter Mod	GitHub	MIT
Telicraft	GitHub	LGPLv3
TickThreading	GitHub	N Open License V1 (LGPLv3/FreeBSD)
TickProfiler	GitHub	N Open License V1 (LGPLv3/FreeBSD)
Tinkers' Construct	GitHub	CC0 (code)/CC BY 3.0 (textures and binaries)
Trader	GitHub	[Open Source Dedication]	An Add-on to Artifice to change all villager trades to use Coins
TrussMod	GitHub	GPLv3+ with additional terms	Mod + coremod
TubeStuff	Minecraft Forum	MIT	source in jar
Universal Electricity	GitHub	LGPLv3
Watson	GitHub	MIT
Wires and Circuits	GitHub	LGPLv3
XReliquary	GitHub	GPLv3
YAFM (Yet Another Food Mod)	GitHub	BSD
YALSM (Yet Another Leather Smelting Mod)	GitHub	BSD

Proprietary with source available / unknown

Mod Thread	Source Repository	License	Notes
Additional BuildCraft Objects	GitHub	License	BuildCraft addon
AdditionalPipesBC	GitHub	unknown	BuildCraft addon
AdvancedPowerManagement	GitHub	License	IC2 addon
Additional Crafting	GitHub	unknown
Anarchys Vanity Blocks	GitHub	unknown
ArmorStatusHUD	GitHub	unknown / resources: CC BY-NC-SA 3.0	BaseMod
AtomicStryker's Mods (Minions, Multi Mine, Pet Bat...)	Google Code	[License] (http://www.atomicstryker.net/about.php)
Atum: Journey Into The Sands	GitHub	unknown
Barrels	Minecraft Forums	unknown
Better Sprinting	GitHub	License
BetterStorage	GitHub	unknown
Biomes O' Plenty	GitHub	unknown
BOP Integration	GitHub	unknown
Biotech	GitHub	Modified MMPL
BlockBreaker	GitHub	unknown / resources: CC BY-NC-SA 3.0	formerly Connected Destruction
BlockUsage	GitHub	unknown
Boxes	GitHub	License
BuildCraft	GitHub	MMPL 1.0.1
Carpenter's Slope	Dropbox	unknown
Chococraft	GitHub	[License] (https://github.com/ArnoSaxena/chococraft/blob/master/MinecraftForumOP.txt#L897)
CoFHLib	GitHub	CoFH Common Library License
Coral Reef Mod	GitHub	unknown
Compact Mobs	GitHub	unknown	BuildCraft addon
CraftGuide	GitHub	License
Dimensional Doors	GitHub	unknown
DirectionHUD	GitHub	unknown / resources: CC BY-NC-SA 3.0	BaseMod
Easy Crafting	GitHub	License
Electric Expansion	GitHub	It's My Stuff License
Elemental Creepers	GitHub	License
Elemental Tinkerer	GitHub	CC BY-NC-SA 3.0
ExtrabiomesXL 3	GitHub	CC BY-SA 3.0
ForgeMultipart	GitHub	unknown
Flan's Mod	GitHub	unknown
FlatBedrock	GitHub	unknown
FloatingRuins	GitHub	unknown / resources: CC BY-NC-SA 3.0
Generic Mod	GitHub	unknown
GotoLink's Updates	GitHub	unknown
Greg's Lighting	GitHub	unknown
GuiAPI	GitHub	unknown	Coremod
Hardcore Ender Expansion	GitHub	License
Inficraft	GitHub	unknown
IngameInfo	GitHub	unknown / resources: [CC BY-NC-SA 3.0] (https://github.com/bspkrs/IngameInfo/blob/master/resources/LICENSE)	BaseMod
ItemSearch	Bitbucket	unknown
Jaffas and more!	GitHub	unknown
LavaBukkit	GitHub	unknown
LittleBlocks	GitHub	unknown
LiquidUU	GitHub	MMPL 1.0.1	IC2 addon
LogisticPipes	GitHub	MMPL	BuildCraft addon
LuaForge	GitHub	unknown
Metallurgy3	GitHub	unknown
MapWriter	GitHub	unknown
mcdisablewheel	GitHub	unknown
MCPC-Plus	GitHub	LGPLv3, LGPLv2.1, MMPL	Forge/Bukkit/Spigot server implementation
Minechem	GitHub	CC BY-SA 3.0
MineFactoryReloaded	GitHub	unknown
MineForever	Bitbucket	LGPLv3+ with restriction
MineFluence	GitHub	unknown
Minestuck	GitHub
MobTalker	GitHub	unknown	BaseMod
Modular Force Field System v3	GitHub	Calclavia Restricted Public License
Natura	GitHub	unknown
NEIAddons	GitHub	MMPL
NetherOres	GitHub	unknown
NumiRP	GitHub	MMPL
OpenPeripheral	GitHub	unknown	ComputerCraft addon
PatchEngine	GitHub	unknown	Coremod
Painter's Flower Pot	Dropbox	unknown
PlasmaCraft	GitHub	unknown
Power Converters	GitHub	unknown
Pixelmon	GitHub	unknown
[RotaryCraft] (http://www.minecraftforum.net/topic/1685078-)	[GitHub] (https://github.com/ReikaKalseki/RotaryCraft)	[License] (https://github.com/ReikaKalseki/RotaryCraft/blob/master/License.txt)
Seacraft	GitHub	unknown
SecretRoomsMod	GitHub	unknown
SeedManager	GitHub	unknown	IC2 addon
StargateTech	GitHub	License
StatusEffectHUD	GitHub	unknown / resources: CC BY-NC-SA 3.0	BaseMod
Thaumic Tinkerer	GitHub	CC BY-NC-SA 3.0
ThirstMod	GitHub	unknown
TreeCapitator	GitHub	unknown / resources: CC BY-NC-SA 3.0	Coremod
Tutorial by TarzanBuzzyMan	GitHub	unknown	demonstrates use of TESR and ISBRH
Weeping Angels	GitHub	unknown
Xhamolk's Advanced Crafting Table (XACT)	GitHub	unknown
ZornCo Mods	GitHub	unknown