Solana lists this Discord as its engineering communication channel. The community hub connects developers, validators and other protocol participants with technical resources and Solana discussions.
Jupiter brings token swaps, lending, perpetual trading and portfolio tools together on Solana. Its official Discord is also the support entry point linked by the developer platform.
Jito provides staking and transaction infrastructure for Solana. Its developer Discord is for technical discussions among validators and searchers, with documentation covering JitoSOL, validator operations and MEV tip distribution.
Helius provides RPC, transaction and blockchain data services for applications on Solana. Its Discord is one of the support routes for Helius APIs and technical issues, with documentation directing users to the team and community for help.