i3 by mt-mods
A next-generation inventory
Server mods list
A collection by SpyBot27
Packages
Technic by RealBadAngel
Extensive machinery mod with electricity and ores.
Mesecons by Jeija
Adds digital circuitry, including wires, buttons, lights, and even programmable controllers.
Wielded Light by bell07
Adds shining for wielded and dropped items
More Blocks by Calinou
Adds various miscellaneous blocks.
More Ores by Calinou
Adds new ore types.
Plantlife by mt-mods
Adds various kinds of plants, fruit bushes, fallen trees, and a whole host of foliage and other ground cover.
More Trees! by mt-mods
Adds a whole bunch of new types of trees, some bearing fruit or similar
Basic Materials and items by mt-mods
Provides a small selection of "basic" materials and items that other mods should use when possible -- things like steel bars and chains, wire, plastic strips and sheets, and more.
Homedecor by mt-mods
Feature-filled home decor modpack.
Signs Lib by mt-mods
Adds signs with readable text.
Unified Dyes by mt-mods
Unified Dyes expands the standard dye set from 15 to up to 256 colors (depending on the object to be colored)
Pipeworks by mt-mods
Supplies a complete set of nice, round mesh-based water pipes, boxy item-transport tubes, and devices that work with them.
Biome Lib by mt-mods
The biome spawning and management library.