Allows the player to play in an old abandoned city instead of the normal overworld

Be In Control of mob spawns

Library mod used by most mods by McJty and romelo333 (RFTools, XNet, Deep Resonance, Not Enough Wands, SignTastic, etc.)

RFTools Base: base mod for all McJty tech mods

TOP, a WAILA alternative that shows information about what you're looking at

Blocks and items to help with Redflux (dimension builder, crafter, monitor, scanner, etc.)

A highly optimized networking cable system for items, energy, fluids, information, etc.

General RFTools blocks that don't fit in a more specific category

RFTools addon mod adding the builder, shield system and much more

A power generation mod for Minecraft

RFTools addon for all power generator/storage

The Lost Cities addon to add more danger to the buildings.

This is an addon mod for RFTools which handles creation of dimensions

Control Player Effects under various conditions

RFTools Storage addon

Adds various very configurable utility wands to Minecraft

Automation and logic computer addon for the RFTools mods

All kinds of helpful baubles (using curios) for various buffs

Compatibility layer to help make mods compatible between 1.10 and 1.11

Lost Worlds is a companion mod for Lost Cities. It adds a new world preset that you can select during world creation and allows for five different types of worlds

Add a more immersive way to handle, craft and store objects in Minecraft

Attract/push/move entities around

Alter biomes and/or blocks after worldgen

Nice Innovative Creative Enhancements - A mod about decoration

All about signs and displaying text and images

In game rotation wheel to perform various actions

A mod with RF powered and redstone controlled lights

MeeCreeps is a mod slightly influenced by a well known series

Gear Swapper is a simple but flexible block to allow swapping hotbar+armor easily

An adventure/exploration mod

A high-tech exploration and tech mod

Immersive Craft addon that works around water and cooking

HoloGui is an immersive way to add holographic gui's to Minecraft

This mod makes the world a poisonous place to live

A mod that helps modpacks based on objectives and/or quests

EFab steampunk styles crafting system

Small mod to help with combat related things in 1.9

Lost Radar is a companion mod for Lost Cities that adds an item that can be used to find and discover buildings

Mob spawn control and actions, continued for 1.12.2

Companion mod for Ariente that adds a full dimension and progression

Adding bad effects to rain, sunlight or local areas in the world

EnigmaScript is a general purpose adventure creation language

Given an alternative death experience

Hazardous is a very configurable mod that adds hazards (like radiation, poison, ...) to your world. It's meant for modpack makers who want to spice up the world under certain conditions