A collection of Go libraries:

• errors - errors with stacktraces;
• sync - additional synchronization primitives;
• zap - structured logging;
• sqliter - iterator for sql queries;
• validate - generic validator;
• golimit - simple rate limiter;
• optional - optional values;
• sqlbatch - batch inserting in db;
• toast - test helpers;
• squll - sql templating;
• httpstatus - convert http code to status;