TMS Sidekick is a mobile computerized maintenance management solution (CMMS) that allows technicians to access their TMS OnSite/TMS OnLine applications from Accruent. The Power of TMS On-the-Go TMS Sidekick provides technicians with the power to communicate on the go and resolve every day service requests and other tasks quickly and accurately. Technicians can access the TMS database, retrieve asset data, perform scheduled maintenance, and even collect data for work orders on-the-fly.