Molten Sailor by Dokimi
CalebJ

Boat for sailing on lava, suit for diving in lava.

Enchantments Workbench
bgstack15

A workbench for enchantment operations

Crowbars
A Boulanger

Adds two crowbars as unbreakable multitools.

Basket Cooking
1F616EMO

Cook all stuffs inside a basket with electric furnaces

Nightandday
sofar

Allows you to have different day and night speeds.

VoxeLibre Soaking Rain
rudzik8

Makes you take damage under rain/snow without leather topping or an umbrella

Sword-axe
Tarás Lavrentiev

Adds a tool for quickly chopping trees and cutting leaves simultaneously

NodeCore Chess
Warr1024

Chess pieces for NodeCore.

Apartment
Sokomine

Rent an apartment with your own chests and furnaces close to spawn

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

Decraft
iarbat

De-craft items with the decrafting workbench.

Scraps
Goops

Allows to recycle metal tools

Fake Liquid
SkyBuilder1717

Adds a fake liquids

bridgemaker
mike.monkeybiter

A refillable machine to easily create simple block bridges across caverns and valleys.

Potions
X-DE

Adds a simple potion brewing system. Includes API for adding custom potions. Fork of s_potions_modpack by Stakbox

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Renewable Fireflies
mecha_moonboy

Registers an ABM on some ground blocks that spawn fireflies if certain criteria are met.

HeartCore
ghurir

Everytime you die you lose a (half) heart, and at zero hearts you die permanently.

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Multitool Mod
thediamondlego

Adds a new tool that does the job of all the other tools(except hoe and screwdriver). Also has bouble the durability of a diamond tool!

NodeCore CatRealm
Warr1024

Adds a cat-themed dimension with unique ores and over-powered tools

Show bones
ExeterDad

Saves bones positions to a file

Sneeker
AntumDeluge

An explosive nuisance.

Coins
Clyde

Adds 3 kind of Coins to your game

Uncraftable Recipes
ReinPlayz

A small mod that adds shapeless recipes for lava, water, river water source blocks, and grass block.

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

Emeraldshop
N Freeman

Currency like shops to trade with emeralds in your Emeraldbank.

daymachine
niwla23

Make day by using one mese crystal!

Fragments
Amaz

A mapgen with a goal, with things needed to advance to the next level.

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

This should be make sense!
1F616EMO

Adds missing crafting recipes that should exist

Survival
Nathan.S

Adds several survival related items.

NodeCore Lignite
Winter94

Adds Lignite, an ore of coal. Now outdated, please use NodeCore Coal instead. See Below.

Mailbox
1F616EMO

Inbox for items

Spikes
niwla23

Adds wooden, steel and titanium spikes.

Nyan Cat Redo
Blocky Player

nyan lazer, nyan soda and sugar. What's not to love?

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Fake Solids
Holly Mae

Creates fake blocks that can be walked through.

One death
SFENCE

This allows players to die only once. The world can be destroyed after it (default for single-player) or the player can lose privileges to interact with the world and others (default for multi-player)

Hbdrunk
UnchainedDevelopment

Adds intoxication effects and HUD bar to display intoxication level.