A lot of work goes into building tools that help make research happen, and so properly citing the tool if you use it important for giving credit where it is due.
Below are the preferred citations for the tool:
APA (7th Ed.)
Jagayat, A., Boparai, G., Pun, C., & Choma, B.L. (2021). Mock Social Media Website Tool (1.0) [Computer software]. https://docs.studysocial.media
MLA (9th Ed.)
Jagayat, Arvin, et al. Mock Social Media Website Tool, 1.0, 31 May 2021, https://docs.studysocial.media
Chicago (17th Ed.)
Jagayat, Arvin, Gurkaran Boparai, Carson Pun, and Becky L. Choma. Computer software. Mock Social Media Website Tool, May 31, 2021. https://docs.studysocial.media.