|top| - Griviewer Editor

Possibility 2: A Misspelling of Graphic Viewer/Editor (Generic) If you meant a general piece on graphic viewers that include editing features:

Here are the most likely possibilities for what you might be referring to, along with a short piece on each: + Image Viewer/Editor If you meant something like "GIMP image viewer editor," here is a piece: griviewer editor

Possibility 3: A Typo for Git Viewer / Editor If you meant a tool for viewing and editing Git repositories (like GitKraken, GitLab's Web IDE, or GitHub's editor): GitLab's Web IDE