Our Summary:Solana's monthly unique active programs reached 8,400 in September, a new record, according to onchain data. This marks a significant increase in developer activity on the network, with funded wallets and app revenue also rising. The largest categories of programs were arbitrage and sandwich bots, DeFi applications, bridges, and swap protocols. However, not all trackers agree on the program count, with SolanaFloor reporting a slightly lower figure.