Ethereum core teams
Eth1 - execution layer Eth2 - consensus layer (nomenclature recently depreciated, but still used in some contexts)
Client teams (those that are open-source), in no particular order:
| Domain | Project | Language | Discord | Docs |
|---|---|---|---|---|
| Eth2 | Prysm | Go | invite | docs |
| Eth2 | Lighthouse | Rust | invite | docs |
| Eth2 | Lodestar | Typescript | invite | docs |
| Eth1 + Eth2 | Nimbus eth2 and eth1 | Nim | invite | docs |
| Eth2 | Teku (Artemis + Harmony) | Java / Kotlin | invite | docs |
| Eth1 | Go-ethereum | Go | invite | docs |
| Eth1 | Nethermind | C# | invite | docs |
| Eth1 | Besu | Java | invite | docs |
| Eth1 | ethereum-JS | Javascript | invite | docs |
| Eth1 | Erigon | Go | Invite-only | docs |