I'd recommend spoiling this in the post.

[SIZE="4"][B]Current Modlist (v4)[/B][/SIZE]
Included are the mods added, along with their addons and links for information.

[B][U]IndustrialCraft 2[/U][/B] ([URL="http://wiki.industrial-craft.net"]Wiki[/URL])
A content pack that adds elements such as electricity, nuclear power, and additional armor.
[B]Addons[/B]
- Advanced Machines ([URL="http://forum.industrial-craft.net/index.php?page=Thread&threadID=1174"]Forum[/URL])
- Advanced Solar Panels ([URL="http://forum.industrial-craft.net/index.php?page=Thread&threadID=3291"]Forum[/URL])
- Gravity Suite ([URL="http://forum.industrial-craft.net/index.php?page=Thread&threadID=6915"]Forum[/URL])
- Petroleum Generator ([URL="http://forum.industrial-craft.net/index.php?page=Thread&threadID=8385"]Forum[/URL])
- Nuclear Control ([URL="http://forum.industrial-craft.net/index.php?page=Thread&threadID=5915"]Forum[/URL])
- MFFS ([URL="http://forum.industrial-craft.net/index.php?page=Thread&threadID=1292"]Forum[/URL])

[B][U]BuildCraft 3[/U][/B] ([URL="http://minecraftbuildcraft.wikia.com/wiki/Minecraft_Buildcraft_Wiki"]Wiki[/URL])
A content pack that adds automated alternatives to many activities, along with advanced transport systems.
[B]Addons[/B]
- Logistics Pipes ([URL="http://logisticspipes.wikia.com/wiki/Logistics_Pipes_Wiki"]Wiki[/URL])
- Additional Pipes (Currently lacks information for a general overview and recipes. Will be updated once it has some)
- Thermal Expansion ([URL="http://thermalexpansion.wikispaces.com/"]Wiki[/URL])
- Forestry ([URL="http://forestry.sengir.net/wiki/"]Wiki[/URL])

[B][U]Red Power 2[/U][/B] ([URL="http://integratedredstone.wikispaces.com/"]Wiki[/URL])
A pack that expands upon Redstone by providing a greater amount of wire types and additional circuitry.
[B]Addons[/B]
Wireless Redstone CBE ([URL="http://technicpack.wikia.com/wiki/Wireless_Redstone:_CBE"]Wiki[/URL])

[B][U]ComputerCraft[/U][/B] ([URL="http://computercraft.info/wiki/Main_Page"]Wiki[/URL])
A mod that adds elements such as computers and robots for assistance in mining, security, etc.
[B]Addons[/B]
Misc. Peripherals ([URL="http://www.computercraft.info/forums2/index.php?/topic/4587-cc1481mc146-miscperipherals-23/"]Forum[/URL])

[B][U]Extra Biomes XL[/U][/B] ([URL="https://github.com/ExtrabiomesXL/ExtrabiomesXL/wiki"]Wiki[/URL])
Adds many more biomes to the mix of biomes available in Minecraft.

[B][U]ThaumCraft 3[/U][/B] ([URL="http://feed-the-beast.wikia.com/wiki/Thaumcraft_3"]Wiki[/URL])
Introduces magical elements such as wands and arcane research.

[B][U]RailCraft[/U][/B] ([URL="http://railcraft.wikispaces.com/"]Wiki[/URL])
Expands upon the rail systems in Minecraft by adding numerous ways to customize them, including Cart dispensers and elevator tracks.

[B][U]Steve's Carts[/U][/B] ([URL="http://stevescarts.wikia.com/wiki/Steve%27s_Carts_Wiki"]Wiki[/URL])
Adds not only ways to customize the appearance of your kart, but also adds features such as solar power and seats with steering capabilities.

[B][U]Twilight Forest[/U][/B] ([URL="http://twilightforest.wikispaces.com/"]Wiki[/URL])
An alternate world featuring animals such as deers and other passive forest creatures, and bosses such as Liches

[B][U]Balkon's Weapons [/U][/B]([URL="http://thetekkit.wikia.com/wiki/Balkon's_Weapon_Mod"]Wiki[/URL])
Adds many new weapons, ranging from a spear to a full-on cannon.

[B][U]Portal Gun[/U][/B] ([URL="http://portalinminecraft.wikia.com/wiki/"]Wiki[/URL])
Adds the Portal gun, along with other Portal elements such as turrets.

[B][U]MystCraft[/U][/B] ([URL="http://technicpack.wikia.com/wiki/Category:Mystcraft"]Wiki[/URL])
Adds alternate universes and dimensions

[B][U]Soul Shards[/U][/B] ([URL="http://www.minecraftforum.net/topic/1475847-146-forgeirc-v1014-soul-shards-v116-and-recipe-remover-v11-updated-12252012/"]Forum[/URL])

[B][U]Nether Ores[/U][/B] (Wiki="http://thetekkit.wikia.com/wiki/Nether_Ores"]Wiki[/URL])
Adds Overworld ores to the Nether, though they are much more unstable and can possibly explode when touched.

[B][U]Obsidian Pressure Plates[/U][/B] ([URL="http://feed-the-beast.wikia.com/wiki/Obsidian_Pressure_Plates"]Wiki[/URL])
Self-explanitory. Obsidian plates are only triggered by players.

[B][U]Omnitools[/U][/B] ([URL="http://thermalexpansion.wikispaces.com/OmniTools"]Wiki[/URL])

[B][U]Mo’ Creatures[/U][/B] ([URL="http://www.minecraftwiki.net/wiki/Mods/Mo%27_Creatures"]Wiki[/URL])
Adds many more creatures, along with ways to tame some of them.

[B][U]Backpack[/U][/B] ([URL="http://forestry.sengir.net/wiki/index.php?n=Items.Backpacks"]Wiki[/URL])
Adds more storage in the form of craftable and carryable backpacks.

[U][B]Chicken Chunks[/B][/U] ([URL="http://www.minecraftforum.net/topic/909223-145146-smp-chickenbones-mods/"]Forum[/URL])
Adds an item that keeps chunks loaded even when a player is out of range.

[B][U]Factorization[/U][/B] ([URL="http://www.minecraftforum.net/topic/1351802-146-factorization-0710/"]Forum[/URL])

[B][U]Rei’s Minimap[/U][/B] ([URL="http://technicpack.wikia.com/wiki/Rei's_Minimap"]Wiki[/URL])
Self-explanitory. Adds a minimap to the top-right that displays player position.

[B][U]Enderstorage[/U][/B] ([URL="http://technicpack.wikia.com/wiki/Ender_Storage"]Wiki[/URL])
Adds a form of private storage that works across chests with specific codes. Functions similarly to Vanilla's Ender Chests except the storage is bound to a certain code made with dyes.

[B][U]Inventory Tweaks[/U][/B] ([URL="http://technicpack.wikia.com/wiki/Inventory_Tweaks"]Wiki[/URL])
Offers additional ways for one to organize their inventory.

[B][U]Not Enough Items[/U][/B] ([URL="http://technicpack.wikia.com/wiki/Not_Enough_Items"]Wiki[/URL])
A fusion between Too Many Items and Recipe Book. Improves upon crafting by highlighting available recipes that use the highlighted item.

[B][U]Optifine[/U][/B] ([URL="http://technicpack.wikia.com/wiki/Optifine"]Wiki[/URL])
Gives additional graphics customization options to improve performance.