Luna/Lunade/AViewFromTheTop:
 - Lead developer & gameplay designer & idea generator (not gonna take the time to explain everything I did.)
 - Worldgen (don't forget Soro's worldgen, too!)
 - Crab entity texture.
 - Sounds (2.2 onwards.)
 - QA.
 - Etc., etc.

Treetrain1:
 - Porting the mod to newer Minecraft versions (THANK YOU TREE.)
 - Bug fixer for more complex/technical issues.
 - Gradle work and fixes.
 - Lots of mixin help.
 - Firefly & Jellyfish AI.
 - QA.
 - Tons of other fixes and tweaks and reorganization, etc., etc.
 - He's a genius.

Soro:
 - Initial biome additions.
 - Most new Tree generation.
 - Biome ideas (Temperate Rainforest, Mixed Forest, Oasis.)
 - Beta Beaches.
 - Water Pools generating near Rivers.
 - Scorched Sand concept.
 - Baobab Nuts.

Enri:
 - Italian translation.
 - Came up with Jellyfish being in Shipwreck Chests.
 - Textures (2.3)
 - Crab in Bucket texture.

Merp:
 - Textures (before 2.3, excluding the Crab entity texture, Crab in Bucket texture, and Cattail texture.)
 - Sounds (before 2.2.)
 - Occasional gameplay designer & feedback.

Contributors:

LudoCrypt:
 - New music.

LiukRast:
 - Baobab Tree generation.

Xfrtrex:
 - Prickly Pear and Tumbleweed ideas.
 - Came up with Firework Rockets being impacted by the wind.

JarethTheRad:
 - Structure assistance.

zozozrob_:
 - Cattail textures & occasional concept artist for a short time.

Xicad/Emma:
 - Echo Glass concept.
 - Consistently fantastic feedback!! An absolute treasure to have around.

Sculk Analyzer:
 - Sculk Echoer concept & inspiration.

Shadownite64:
 - Ostrich concept.
 - Inbred Ostrich sound suggestions.

SaishoVibes:
 - Initial configs.

noah1510:
 - Fixed a crash relating to Sculk during worldgen.

Fourmisain:
 - Updated 1.19.2 to work with MixinExtras/Fabric Loader 0.15+.

Osmiooo:
 - French translation.

nekkok:
 - Spanish translation.

unroman:
 - Ukranian translation.

mayonaka8478:
 - Japanese translation.

Moonisky:
 - Chinese translation.

Ostrich Sounds:
Most sounds are edited and taken from Sonddogs' "Rob Nokes Sound Library" on avosound.com, used with a purchased license per track.
https://xeno-canto.org/845946
https://xeno-canto.org/845937
https://xeno-canto.org/845936
https://freesound.org/people/monosfera/sounds/571540/
https://freesound.org/people/Radaral/sounds/564071/
https://freesound.org/people/annadnewby/sounds/565604/
https://freesound.org/people/SieuAmThanh/sounds/546291/
https://freesound.org/people/cognito%20perceptu/sounds/17922/
https://freesound.org/people/abstraktgeneriert/sounds/348944/
https://freesound.org/people/Emmalyons1/sounds/594176/
https://freesound.org/people/julius_galla/sounds/434893/
https://freesound.org/people/lukabea/sounds/660471/
https://freesound.org/people/Zott820/sounds/655706/
https://freesound.org/people/mhc/sounds/102782/
https://freesound.org/people/Greg_Surr/sounds/590169/
https://freesound.org/people/pigeonfriend/sounds/384065/
https://freesound.org/people/HerbertBoland/sounds/29695/
https://freesound.org/people/ChrisReierson/sounds/433749/
https://freesound.org/people/Ezcah/sounds/243715/
Additional sound effects were taken and edited from Minecraft itself.

Unfortunately I haven't been able to dig up the sources for Crab sounds as I've only been keeping track of these sorts of things since 2.3.
However, they all originate from freesound.org with some Minecraft sounds mixed in.
