TESTNET Goerli (GTH) Blockchain Explorer
EtherscanallowsyoutoexploreandsearchtheGoerliblockchainfortransactions,addresses,tokens,pricesandotheractivitiestakingplaceonGoerli(GTH)
Sphere Online Judge (SPOJ)
SPOJ(SphereOnlineJudge)isanonlinejudgesystemwithover315,000registeredusersandover20000problems.Thesolutiontoproblemscanbesubmittedinover60languagesincludingC,C++,Java,Python,C#,Go,Haskell,Ocaml,andF#.SPOJhasarapidlygrowingproblemset/tasksavailableforpractice24hours/day,includingmanyoriginaltaskspreparedbythecommunityofexpertproblemsettersassociatedwiththeproject.