1.crystal-lang / crystalThe Crystal Programming Languagecrystalhacktoberfestcompilercrystal-languageprogramming-languageCrystalAPACHE-2.020K total1.7K forks+48 starsfrom 20,431 · score 3.89
2.cloudamqp / lavinmqUltra quick message queue and streaming servermessage-queueserveramqpbackground-jobsjob-queuemessage-broker+3 moreCrystalAPACHE-2.01K total66 forks+5 starsfrom 1,026 · score 1.79
3.nats-io / nats.crCrystal client for NATSCrystalAPACHE-2.048 total11 forks+2 starsfrom 46 · score 1.10