# 1.21.4
- [<img src="https://hub.spigotmc.org/stash/projects/SPIGOT/avatar.png" width="16"> Spigot](https://hub.spigotmc.org/stash/projects/SPIGOT)
- [<img src="https://avatars.githubusercontent.com/u/7608950" width="16"> Paper ⭐](https://github.com/PaperMC/Paper)
- [<img src="https://avatars.githubusercontent.com/u/94729614" width="16"> Purpur ⭐](https://github.com/PurpurMC/Purpur)
- [<img src="https://avatars.githubusercontent.com/u/116843051" width="16"> DivineMC](https://github.com/DivineMC/DivineMC)
- [<img src="https://avatars.githubusercontent.com/u/76820623" width="16"> Weeper](https://github.com/WeepingMC/Weeper)
- [<img src="https://avatars.githubusercontent.com/u/68168320" width="16"> Kiterino](https://github.com/SoSeDiKs-Universe/Kiterino)
- [<img src="https://avatars.githubusercontent.com/u/118997657" width="16"> Gale (fork)](https://github.com/Dreeam-qwq/Gale)
- [<img src="https://avatars.githubusercontent.com/u/87260913" width="16"> Leaf](https://github.com/Winds-Studio/Leaf)
- [<img src="https://avatars.githubusercontent.com/u/83615260" width="16"> Parchment](https://github.com/ProjectEdenGG/Parchment)
- [<img src="https://avatars.githubusercontent.com/u/93428079" width="16"> Leaves](https://github.com/LeavesMC/Leaves)

# 1.21.3
- [<img src="https://avatars.githubusercontent.com/u/87461856" width="16"> Pufferfish](https://github.com/pufferfish-gg/Pufferfish)
- [<img src="https://avatars.githubusercontent.com/u/399721" width="16"> Slice](https://github.com/Cryptite/Slice)

# 1.21.1
- [<img src="https://avatars.githubusercontent.com/u/86278855" width="16"> Patina](https://github.com/PatinaMC/Patina)
- [<img src="https://avatars.githubusercontent.com/u/5712215" width="16"> EMC](https://github.com/starlis/empirecraft)

# 1.20.6
- [<img src="" width="16"> KTP](https://github.com/lynxplay/ktp)

# 1.20.4
- [<img src="https://avatars.githubusercontent.com/u/129622508" width="16"> Fiddle](https://github.com/FiddleMC/Fiddle)

### Discontinued/Abandoned (i.e. no modern versions)
<details>
  <summary>Click to reveal!</summary>
  
- [<img src="https://avatars.githubusercontent.com/u/60640523" width="16"> Tuinity](https://github.com/Spottedleaf/Tuinity) (merged into [Paper](https://github.com/PaperMC/Paper))
- [<img src="https://raw.githubusercontent.com/etil2jz/Mirai/ver/1.19.2/logo.webp" width="16"> Mirai (fork)](https://github.com/Dreeam-qwq/Mirai)
- [<img src="https://avatars.githubusercontent.com/u/86170250" width="16"> Sugarcane](https://github.com/SugarcaneMC/Sugarcane)
- [<img src="https://avatars.githubusercontent.com/u/73098625" width="16"> Airplane](https://github.com/Technove/Airplane)
- [<img src="https://avatars.githubusercontent.com/u/69525035" width="16"> Yatopia](https://github.com/YatopiaMC/Yatopia)
- [<img src="https://gitlab.com/uploads/-/system/project/avatar/25754052/jetpack.png" width="16"> JettPack](https://gitlab.com/Titaniumtown/JettPack)
- [<img src="https://avatars.githubusercontent.com/u/39165081" width="16"> Akarin](https://github.com/Akarin-project/Akarin)
- [<img src="" width="16"> Origami](https://github.com/Minebench/Origami)
- [<img src="" width="16"> TwoInEyeTea](https://github.com/jpenilla/TwoInEyeTea)
- [<img src="https://avatars.githubusercontent.com/u/74978753" width="16"> Petal](https://github.com/Bloom-host/Petal)
- [<img src="https://avatars.githubusercontent.com/u/92042886" width="16"> Suki](https://github.com/SuCraft/Suki)
- [<img src="https://avatars.githubusercontent.com/u/51722075" width="16"> Matter](https://github.com/plasmoapp/matter)
  
</details>

___
### Other Software
###### Proxies
- [<img src="https://avatars.githubusercontent.com/u/7608950" width="16"> Velocity ⭐](https://github.com/PaperMC/Velocity)
- [<img src="https://avatars.githubusercontent.com/u/7608950" width="16"> Waterfall](https://github.com/PaperMC/Waterfall)
- [<img src="https://avatars.githubusercontent.com/u/4350249" width="16"> Bungeecord](https://github.com/SpigotMC/BungeeCord)

###### Experimental
- [<img src="https://avatars.githubusercontent.com/u/7608950" width="16"> Folia](https://github.com/PaperMC/Folia)

###### Libraries
- [<img src="https://avatars.githubusercontent.com/u/25153519" width="16"> Adventure](https://github.com/KyoriPowered/adventure)
- [<img src="" width="16"> Moonshine](https://github.com/KyoriPowered/moonshine)

###### Mod loaders
- [<img src="https://avatars.githubusercontent.com/u/21025855" width="16"> Fabric ⭐](https://github.com/FabricMC/fabric)
- [<img src="https://avatars.githubusercontent.com/u/78571508" width="16"> Quilt](https://github.com/QuiltMC)
- [<img src="https://avatars.githubusercontent.com/u/138629134" width="16"> NeoForge](https://github.com/neoforged/NeoForge)
- [<img src="https://avatars.githubusercontent.com/u/1390178" width="16"> Forge](https://github.com/MinecraftForge/MinecraftForge)
- [<img src="https://avatars.githubusercontent.com/u/8683473" width="16"> Sponge](https://github.com/SpongePowered)

###### Non-Java software
- [<img src="" width="16"> Pumpkin](https://github.com/Snowiiii/Pumpkin)

###### Other
- [<img src="https://avatars.githubusercontent.com/u/64444427" width="16"> Minestom](https://github.com/Minestom/Minestom)
- [Minecraft Packet info (wiki.vg continuation)](https://minecraft.wiki/w/Minecraft_Wiki:Projects/wiki.vg_merge)
- [Ultimate Minecaft server software list](https://docs.google.com/spreadsheets/d/1b-9Qay323RxaEagxByXZrf5934IxIHhIur77DcgRjZ8/edit#gid=0)