Applied Energistics 2 (by AlgorithmX2):
https://ae-mod.info/Frequently-Asked-Questions
bspkrsCore (by bspkrs): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1282347-bspkrs-mods-armorstatushud-directionhud
Battletowers (by AtomicStryker): https://github.com/AtomicStryker/atomicstrykers-minecraft-mods/blob/1.14.3/license%20atomicstryker.txt
Bibliocraft (by Nuchaz): https://www.bibliocraftmod.com/copyright/#modpacks
Big Reactors (by Erogenous Beef): http://www.big-reactors.com/#/about
Buildcraft (by Buildcraft Team): https://www.mod-buildcraft.com/pages/faq.html
Buildcraft Compat (by Buildcraft Team): https://www.mod-buildcraft.com/pages/faq.html
Chisel (by tterrag, Drullkus & minecreatr): https://www.curseforge.com/minecraft/mc-mods/chisel
CodeChickenCore and CodeChickenLib (by ChickenBones): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1279956-chickenbones-mods
CoFHCore (by TeamCoFH): http://teamcofh.com/downloads/
CoroUtil (by Corosus): https://www.curseforge.com/minecraft/mc-mods/coroutil
CustomNPCs (by Noppes): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1278956-custom-npcs
EnderStorage (by ChickenBones): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1279956-chickenbones-mods
ExtraPlanets (by MJRLegends): https://docs.mjrlegends.com/Other/permissions/
Flans Mod + Simple Parts Pack, Modern Weapons Pack, Mecha Parts Pack, WW2 Content Pack, Ye Olde Pack and Titan Pack (all by Flan): https://flansmod.com/license
Forestry (by SirSengir): https://forestryforminecraft.info/main:downloads
Forge Multi Part (by Chicken Bones): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1279956-chickenbones-mods
Galacticraft Core and Planets and MicdoodleCore (by micdoodle8): https://wiki.micdoodle8.com/wiki/Galacticraft
IndustrialCraft 2 Classic (by IC2-Dev Team): http://www.industrial-craft.net/
ICBM Classic and Voltz Engine (by BuiltBrokenStudios): http://www.builtbroken.com/pages/modpack.php
Inventory Tweaks (by JimeoWan): https://inventory-tweaks.readthedocs.io/en/latest/#getting-started
Iron Chests (by ProgWML6): https://www.curseforge.com/minecraft/mc-mods/iron-chests
Mantle (by Slime Knights): https://github.com/SlimeKnights/Mantle
MineFactory Reloaded (by TeamCoFH): http://teamcofh.com/downloads/
Modular Force Field Systems (picked up by BuiltBrokenStudios): http://www.builtbroken.com/pages/modpack.php
Modular Powersuits and Numina (by MachineMuse): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/wip-mods/1442976-machinemuses-modular-powersuits-finally-updated
MrTJPCore (by MrTJP): https://github.com/MrTJP/MrTJPCore/blob/master/COPYING
Not Enough Items (by ChickenBones): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1279956-chickenbones-mods
NEI Addons (by bdew): https://bdew.net/neiaddons/
NEI Integration (by tonius11): https://www.curseforge.com/minecraft/mc-mods/nei-integration
Power Converters (by PowerCrystals/ covers1624): https://www.curseforge.com/minecraft/mc-mods/power-converters3
Project Red - All Modules (by MrTJP): https://github.com/MrTJP/ProjectRed/blob/master/LICENSE.md
Railcraft (by CovertJaguar): http://www.railcraft.info/ http://railcraft.info/wiki/ http://railcraft.info/wiki/info:license
Redstone paste (by FyberOptic): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1291890-redstone-paste-mod
Rei's Mini-map (by ReiFNSK): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1275219-jul-08-reis-minimap-v3-4_01
Secret Rooms Mod (by AbrarSyed): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1276042-v4-7-1-beta-secretroomsmod-malsis-doors-compat
SecurityCraft (by Geforce132 & bl4ckscor3): https://www.curseforge.com/minecraft/mc-mods/security-craft
SG Craft (by gcewing): https://www.cosc.canterbury.ac.nz/greg.ewing/minecraft/mods/SGCraft/
Tinkers Construct (by Slime Knights): https://github.com/SlimeKnights/TinkersConstruct
Tinkers Mechworks (by Slime Knights): https://github.com/SlimeKnights/TinkersMechworks
Thermal Foundation, Thermal Expansion and Thermal Dynamics (by TeamCoFH): http://teamcofh.com/downloads/
Treecapitator (by DaftPVF & bspkrs): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1281180-daftpvfs-mods-treecapitator-crystalwing
Twilight Forest (by Benimatic): https://www.curseforge.com/minecraft/mc-mods/the-twilight-forest
Weather, Storms & Tornadoes (by Corosus): https://www.curseforge.com/minecraft/mc-mods/weather-storms-tornadoes
Wireless Redstone CBE (by Chicken Bones): https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1279956-chickenbones-mods