Seems to be a trade-free tool. They are very transparent with their data collection, as it is a opt-in model, so you can choose to send data to them to for optimization purposes, but you don’t have to: “When Remmina starts asks the user if she/he wants to share 同 Remmina 開發人員嘅一啲使用統計資料。根據選擇加入模式（ https : / / en . wikipedia . org / wiki / 選擇加入電郵），如果冇用戶同意，我哋唔會收集任何呢啲資料。另外，用戶可以隨時要求刪除任何連結到佢嘅個人檔案嘅資料，而且佢可以更改 Remmina 設定，停止收集同分享使用統計資料。」我